Announced details
Monitoring of road cave-ins caused by sewer pipelines and supplementary safety monitoring until pipeline rehabilitation is completed
Joint development and joint patent applications. Capital and personnel relationships: Not disclosed.
Head office: Toda, Saitama; President and Representative Director: Sugiyama Kiyoaki (杉山清昭). The company provides and builds vibrating-wire sensors, converters using proprietary signal-conversion technology, measurement and communications systems, and field-side data collection and communications equipment. Capital and year of establishment: Not disclosed.
Patent application No. 2026-039634 (jointly filed in 2026)
In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.
Report of the Committee for Investigating the Cause of the Road Cave-in Accident in Yashio (19 February 2026, Committee for Investigating the Cause of the Road Cave-in Accident in Yashio)
| Item | Details |
|---|---|
| Names of Products / Services Covered | Road cave-in precursor detection system |
| Counterparty | Campbell Scientific Japan, Inc. |
| Counterparty overview | Head office: Toda, Saitama; President and Representative Director: Sugiyama Kiyoaki (杉山清昭). The company provides and builds vibrating-wire sensors, converters using proprietary signal-conversion technology, measurement and communications systems, and field-side data collection and communications equipment. Capital and year of establishment: Not disclosed. |
| Relationship with the Company | Joint development and joint patent applications. Capital and personnel relationships: Not disclosed. |
| Applicable area | Monitoring of road cave-ins caused by sewer pipelines and supplementary safety monitoring until pipeline rehabilitation is completed |
| Registration number and expiry date | Patent application No. 2026-039634 (jointly filed in 2026) |
| Source | Report of the Committee for Investigating the Cause of the Road Cave-in Accident in Yashio (19 February 2026, Committee for Investigating the Cause of the Road Cave-in Accident in Yashio) |
Items this document does not state (11)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.The January 2025 road cave-in in Yashio, Saitama, made preventing road cave-ins caused by sewer pipelines an important issue. The need to ensure interim safety until pipeline rehabilitation is completed was also a factor.