Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11215300 | Pipe joint and joint connection device | Masafumi Hayashi, Mizuho Hitotsubashi | 2022-01-04 |
| 6142537 | Connector | Haruki Shimada, Takeshi Dogochi, Shinichi Nagai | 2000-11-07 |