Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565066 | Gate valve | Yoshio Osawa, Koichi Mori | 2003-05-20 |
| 6454241 | Gate valve and cylinder apparatus | Isamu Kinno | 2002-09-24 |
| 6283445 | Gate valve and cylinder apparatus | Isamu Kinno | 2001-09-04 |
| 6045117 | Gate valve and cylinder apparatus | Isamu Kinno | 2000-04-04 |
| 5934646 | Gate valve and cylinder apparatus | Isamu Kinno | 1999-08-10 |