Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8598868 | Gasket for sealing valve or pipe, determination method of deterioration and damages of gasket, and high-pressure gas supplying equipment | Shigeru Tsuchiya, Shigeru Hayashida | 2013-12-03 |