Announced details
Joining precast concrete products, concrete structures and box culverts
Applying compressive force to the joining surfaces controls separation at the joining interface and improves durability through restoration properties.
The relationship is that an employee developed the invention and received an award from the association.
A public interest incorporated association that organizes the Regional Invention Awards. Launched in 1921, the Regional Invention Awards recognize outstanding inventions, devices and designs across Japan's 8 regions.
Kumamoto Prefecture Invention Association President's Award (FY2026 Kyushu Regional Invention Awards)
Japan Institute of Invention and Innovation
Patent No. 6814537. The validity period is Not disclosed.
In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.
Japan Institute of Invention and Innovation, "Recipients of the Kyushu Regional Invention Awards"
| Item | Details |
|---|---|
| Names of Products / Services Covered | Large concrete products using the pressure-bonded joining method (PJ method) |
| Counterparty | Japan Institute of Invention and Innovation |
| Counterparty overview | A public interest incorporated association that organizes the Regional Invention Awards. Launched in 1921, the Regional Invention Awards recognize outstanding inventions, devices and designs across Japan's 8 regions. |
| Relationship with the Company | The relationship is that an employee developed the invention and received an award from the association. |
| Applicable area | Joining precast concrete products, concrete structures and box culverts |
| Award/certification name | Kumamoto Prefecture Invention Association President's Award (FY2026 Kyushu Regional Invention Awards) |
| Awarding / certifying body | Japan Institute of Invention and Innovation |
| Registration number and expiry date | Patent No. 6814537. The validity period is Not disclosed. |
| Quantitative Effects | Applying compressive force to the joining surfaces controls separation at the joining interface and improves durability through restoration properties. |
| Source | Japan Institute of Invention and Innovation, "Recipients of the Kyushu Regional Invention Awards" |
Items this document does not state (8)
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 products were recognized as outstanding inventions at the FY2026 Kyushu Regional Invention Awards, organized by the Japan Institute of Invention and Innovation.