Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998561 | Flow control valve | Takashi Tsumura, Hiroyuki Inagaki | 1991-03-12 |
| 4463773 | Safety shut-off valve | Tadashi Kojima, Tetsuo Uchihama, Kazuyoshi Tanaka, Kentaro Inoue, Naomichi Shito | 1984-08-07 |
| 4458487 | Electromagnetic actuator | Tadashi Kojima, Tetsuo Uchihama, Kazuyoshi Tanaka, Kentaro Inoue, Hitoshi Tanaka +2 more | 1984-07-10 |