Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4928919 | Stop valve | Norio Daicho, Masakatsu Kawahara, Koji Miyazaki, Keitaro Yonezawa | 1990-05-29 |
| 4898210 | Gas-cylinder valve | — | 1990-02-06 |
| 4580450 | Valve with a level gauge for a liquefied carbon dioxide container | Shiro Ota, Teruo Hatori, Hajime Miyoshi, Akira Oi | 1986-04-08 |