Early compliance of oil dampers for seismic isolation and vibration control, and completion of replacement production
First written in FY2019. 22 of 24 entries say "Advanced", first in FY2020-Q1. Latest entry: FY2026.
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- FY2026AdvancedAnnual report
「As of 31 March 2026, all nonconforming products for which replacement had not been completed and products of unknown performance … (50 oil dampers for seismic isolation and 11 oil dampers for vibration control, 61 in total) … The balance of the provision for product warranties at the end of the consolidated fiscal year was ¥1.5 billion.」
Oil dampers for seismic isolation and vibration control pending replacement or of unknown performance decreased from 399 at the end of the previous fiscal year to 61, while the related provision decreased from ¥2.9 billion to ¥1.5 billion, indicating further progress in conformity efforts. However, completion of all cases was not stated. - FY2026-H1AdvancedAnnual report
「In the interim consolidated accounting period, the provision for product warranties covered all non-conforming products and products of unknown performance, meaning products for which it could not be confirmed whether performance inspection records had been altered, that had not been replaced as of 30 September 2025. This comprised 52 seismic-isolation oil dampers and 12 vibration-control oil dampers, for a total of 64 units. The provision includes the costs of replacement work for seismic-isolation and vibration-control oil dampers and business compensation. Its balance was ¥1.6 billion for the interim consolidated accounting period.」
Oil dampers for seismic isolation and vibration control pending replacement or of unknown performance decreased from 399 at the end of the previous fiscal year to 64, while the balance of the provision for product warranties also decreased from ¥2.9 billion to ¥1.6 billion. Conformity efforts are progressing, but completion of all cases was not stated. - FY2025-H1AdvancedAnnual report
「During the interim consolidated accounting period, we recognized in the provision for product warranties the costs of replacement work for replacement oil dampers for seismic isolation and vibration control, business compensation and other costs for all nonconforming products for which replacement had not been completed and all products of unknown performance as of 30 September 2024 (products for which it could not be confirmed whether inspection-record data had been altered), comprising 52 oil dampers for seismic isolation and 196 oil dampers for vibration control, 248 in total. The balance of the provision for product warranties for the interim consolidated accounting period was ¥2.6 billion.」
Products pending replacement or of unknown performance decreased from 399 at the end of the previous fiscal year to 248, while the balance of the provision for product warranties decreased from ¥2.9 billion to ¥2.6 billion, indicating progress in conformity efforts. However, completion of all cases was not stated. - FY2024AdvancedAnnual report
「As of 31 March 2024, we recognized in the provision for product warranties the costs of replacement work for replacement oil dampers for seismic isolation and vibration control, business compensation and other costs for all nonconforming products for which replacement had not been completed and all products of unknown performance, comprising 55 oil dampers for seismic isolation and 344 oil dampers for vibration control, 399 in total. The balance of the provision for product warranties at the end of the consolidated fiscal year was ¥2.9 billion.」
Products pending replacement or of unknown performance decreased from 410 in the previous quarter to 399, and the balance of the provision for product warranties also decreased to ¥2.9 billion. Conformity had progressed to approximately 99%, but completion of all cases was not stated. - FY2024-Q3AdvancedAnnual report
「During the consolidated accounting period ended 31 December 2023, we recognized in the provision for product warranties the costs of replacement work for replacement oil dampers for seismic isolation and vibration control, business compensation and other costs for all nonconforming products for which replacement had not been completed and all products of unknown performance as of 31 December 2023 (products for which it could not be confirmed whether inspection-record data had been altered), comprising 55 oil dampers for seismic isolation and 355 oil dampers for vibration control, 410 in total. The balance of the provision for product warranties was ¥2.9 billion for the consolidated accounting period ended 31 December 2023.」
Products pending replacement or of unknown performance decreased from 418 in the previous quarter to 410, while the balance of the provision for product warranties decreased from ¥3.3 billion to ¥2.9 billion. Conformity efforts for oil dampers for seismic isolation and vibration control have progressed further, but completion of all cases was not stated. - FY2024-Q2AdvancedAnnual report
「During the consolidated accounting period ended 30 September 2023, we recognized in the provision for product warranties the costs of replacement work for replacement oil dampers for seismic isolation and vibration control, business compensation and other costs for all nonconforming products for which replacement had not been completed and all products of unknown performance as of 30 September 2023 (products for which it could not be confirmed whether inspection-record data had been altered), comprising 63 oil dampers for seismic isolation and 355 oil dampers for vibration control, 418 in total. The balance of the provision for product warranties was ¥3,341 million for the consolidated accounting period ended 30 September 2023, compared with ¥4,445 million at the end of the previous consolidated fiscal year.」
While 418 products were pending replacement or of unknown performance, the balance of the provision for product warranties decreased from ¥4,445 million at the end of the previous consolidated fiscal year to ¥3,341 million. Conformity efforts are continuing, and completion of all cases was not stated. - FY2024-Q1AdvancedAnnual report
「In the first-quarter consolidated accounting period, the provision for product warranties covered all non-conforming products and products of unknown performance, meaning products for which it could not be confirmed whether performance inspection records had been altered, that had not been replaced as of 30 June 2023. This comprised 63 seismic-isolation oil dampers and 355 vibration-control oil dampers, for a total of 418 units. The provision includes the costs of replacement work for seismic-isolation and vibration-control oil dampers and business compensation. Its balance was ¥3.9 billion for the first-quarter consolidated accounting period.」
Oil dampers for seismic isolation and vibration control pending replacement or of unknown performance totaled 418, and the balance of the provision for product warranties was ¥3.9 billion, indicating progress in conformity efforts from the previous quarter. - FY2023-Q3AdvancedAnnual report
「In the third-quarter consolidated accounting period, the provision for product warranties covered all non-conforming products and products of unknown status that had not been replaced as of 31 December 2022, comprising 71 seismic-isolation oil dampers and 700 vibration-control oil dampers, for a total of 771 units. It includes the costs of manufacturing replacement seismic-isolation and vibration-control oil dampers, replacement work and compensation. The balance of the provision for product warranties was ¥8.6 billion for the third-quarter consolidated accounting period.」
The number of products pending replacement or of unknown status decreased from 866 in the previous quarter to 771, while the balance of the provision for product warranties decreased from ¥10,336 million to approximately ¥8.6 billion, indicating further progress in conformity efforts for oil dampers for seismic isolation and vibration control. However, completion of all cases was not stated. - FY2023-Q2AdvancedAnnual report
「In the second-quarter consolidated accounting period, the provision for product warranties covered all non-conforming products and products of unknown status that had not been replaced as of 30 September 2022, comprising 100 seismic-isolation oil dampers and 766 vibration-control oil dampers, for a total of 866 units. It includes the costs of manufacturing replacement seismic-isolation and vibration-control oil dampers, replacement work and compensation. The balance of the provision for product warranties related to this matter was ¥10.336 billion for the second-quarter consolidated accounting period.」
Products pending replacement or of unknown status decreased from 1,124 in the previous quarter to 866, while the balance of the provision for product warranties decreased from ¥11,960 million to ¥10,336 million, indicating further progress in conformity efforts. - FY2023-Q1AdvancedAnnual report
「During the consolidated accounting period ended 30 June 2022, we recognized in the provision for product warranties the costs of producing replacement oil dampers for seismic isolation and vibration control, replacement work and compensation for all nonconforming products for which replacement had not been completed and all products of unknown status as of 30 June 2022 (282 oil dampers for seismic isolation and 842 oil dampers for vibration control, 1,124 in total). The balance of the provision for product warranties was ¥11,960 million.」
Oil dampers for seismic isolation and vibration control pending replacement or of unknown status decreased from 1,184 at the end of the previous fiscal year to 1,124, while the balance of the provision for product warranties decreased from ¥13,581 million to ¥11,960 million, indicating further progress in conformity efforts. However, completion of all cases was not stated. - FY2022AdvancedAnnual report
「As a prerequisite for restoring trust, conformity of oil dampers for seismic isolation and vibration control had progressed to approximately 97% by the end of fiscal 2021. We will continue to make “awareness of standards and compliance” the foundation of management, embed awareness of standards in our corporate culture, continue fraud-prevention activities across the Group and strengthen governance.」
The conformity rate increased from approximately 90% at the end of fiscal 2020 to approximately 97% at the end of fiscal 2021, and was described as being in the final stage toward 100% completion. - FY2022-Q3AdvancedAnnual report
「In the third-quarter consolidated accounting period, all non-conforming products and products of unknown status that had not been replaced as of 31 December 2021, comprising 304 seismic-isolation oil dampers and 938 vibration-control oil dampers, for a total of 1,242 units, were included in the provision for product warranties. The balance of the provision for product warranties related to this matter was ¥14.982 billion for the third-quarter consolidated accounting period.」
Products pending replacement or of unknown status decreased to 1,242, and the balance of the provision for product warranties decreased to ¥14,982 million. Conformity efforts are progressing, but completion of all cases was not stated. - FY2022-Q2AdvancedAnnual report
「In the second-quarter consolidated accounting period, all non-conforming products and products of unknown status that had not been replaced as of 30 September 2021, comprising 450 seismic-isolation oil dampers and 964 vibration-control oil dampers, for a total of 1,414 units, were included in the provision for product warranties. The balance of the provision for product warranties related to this matter was ¥16.737 billion for the second-quarter consolidated accounting period.」
Oil dampers for seismic isolation and vibration control pending replacement or of unknown status decreased from 2,341 at the end of the previous fiscal year to 1,414, while the balance of the provision for product warranties also decreased to ¥16,737 million. Conformity efforts are progressing, but completion of all cases was not stated. - FY2022-Q1AdvancedAnnual report
「During the consolidated accounting period ended 30 June 2021, all nonconforming products for which replacement had not been completed and all products of unknown status as of 30 June 2021 (533 oil dampers for seismic isolation and 1,247 oil dampers for vibration control, 1,780 in total) were covered by the provision for product warranties.」
Oil dampers for seismic isolation and vibration control pending replacement or of unknown status decreased from 2,341 at the end of the previous fiscal year to 1,780, indicating further progress in conformity efforts. However, completion of all cases was not stated. - FY2021AdvancedAnnual report
「As a prerequisite for restoring trust, conformity of oil dampers for seismic isolation and vibration control had progressed to approximately 90% by the end of fiscal 2020, reaching a point where completion was in sight.」
Conformity was reported to have progressed to approximately 90%, with completion in sight, but completion of all cases was not stated. Products pending replacement or of unknown status totaled 2,341 at the fiscal year-end. - FY2021-Q2AdvancedAnnual report
「During the consolidated cumulative period ended 30 September 2020, we recognized in other expenses the impact of additions to and reversals of the provision for product warranties for production costs of oil dampers for seismic isolation and vibration control, replacement work, structural recalculation and compensation, as well as various expenses including personnel expenses of the response headquarters. During the consolidated accounting period ended 30 September 2020, all nonconforming products for which replacement had not been completed and all products of unknown status as of 30 September 2020 (1,622 oil dampers for seismic isolation and 2,287 oil dampers for vibration control, 3,909 in total), as well as all such products among those exported to Taiwan, were covered by the provision for product warranties.」
As measures including replacement work progressed, the number of products pending replacement or of unknown status decreased from 4,664 in the previous quarter to 3,909. This filing does not state that the target of completing production by September 2020 had been achieved, so this is recorded as progress in conformity efforts. - FY2021-Q1AdvancedAnnual report
「The Systems Products business will complete production of replacement oil dampers by September 2020 and work toward conformity and recurrence prevention as soon as possible. During the consolidated accounting period ended 30 June 2020, all nonconforming products for which replacement had not been completed and all products of unknown status as of 30 June 2020 (2,316 oil dampers for seismic isolation and 2,348 oil dampers for vibration control, 4,664 in total), as well as all nonconforming products and products of unknown status among those exported to Taiwan for which replacement had not been completed, were covered by the provision for product warranties.」
While maintaining the target of completing replacement-unit production by September 2020, the number of products pending replacement or of unknown status decreased from 8,420 in the previous quarter to 4,664. Completion of the target has not yet been stated. - FY2020-Q3AdvancedAnnual report
「The Systems Products business will complete production of replacement oil dampers by September 2020 and work toward conformity and recurrence prevention as soon as possible. During the consolidated accounting period ended 31 December 2019, all nonconforming products for which replacement had not been completed and all products of unknown status as of 31 December 2019 (4,891 oil dampers for seismic isolation and 3,529 oil dampers for vibration control, 8,420 in total) …The balance of the provision for product warranties related to this matter was ¥34,332 million for the consolidated accounting period ended 31 December 2019.」
While maintaining the target of completing replacement oil damper production by September 2020, the number of products pending replacement or of unknown status decreased from 10,029 to 8,420. Progress in conformity efforts has been updated numerically, but completion has not been stated. - FY2020-Q2AdvancedAnnual report
「The Systems Products business will complete production of replacement oil dampers by September 2020 and work toward conformity and recurrence prevention as soon as possible. During the consolidated accounting period ended 30 September 2019, all nonconforming products for which replacement had not been completed and all products of unknown status as of 30 September 2019 (6,263 oil dampers for seismic isolation and 3,766 oil dampers for vibration control, 10,029 in total) were covered by the provision for product warranties. The balance of the provision for product warranties related to this matter was ¥30,837 million for the consolidated accounting period ended 30 September 2019.」
While maintaining the target of completing replacement oil damper production by September 2020, the number of products pending replacement or of unknown status stood at 10,029 and the balance of the provision for product warranties at ¥30,837 million. Both the number of products covered and the provision balance declined from the previous quarter, indicating progress in conformity efforts. - FY2020-Q1AdvancedAnnual report
「The Systems Products business will complete production of replacement oil dampers by September 2020 and work toward conformity and recurrence prevention as soon as possible. During the consolidated accounting period ended 30 June 2019, all nonconforming products for which replacement had not been completed and all products of unknown status as of 30 June 2019 (7,052 oil dampers for seismic isolation and 3,860 oil dampers for vibration control, 10,912 in total) were covered by the provision for product warranties.」
While maintaining the time-bound target of completing replacement-unit production by September 2020, the number of products pending replacement or of unknown status decreased from 11,712 at the end of the previous consolidated fiscal year to 10,912. Conformity efforts are progressing, but completion has not been stated. - FY2019First statedAnnual report
「The Systems Products business will complete production of replacement oil dampers by September 2020 and work toward conformity and recurrence prevention as soon as possible.」
As a specific time-bound response to the nonconforming-product issue, the Company has set, for the first time as an independent target, completion of replacement oil damper production by September 2020 and early conformity.