Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4920836 | Two blade type impulse wrench | Tadakatsu Sugimoto, Yoshiaki Igarashi, Shiro Saito, Keiji Murai | 1990-05-01 |
| 4766787 | Two-blade type impulse wrench | Tadakatsu Sugimoto, Yoshiaki Igarashi, Shiro Saito, Keiji Murai | 1988-08-30 |
| 4625565 | Wind velocity sensor | Motohiro Gahara, Hiroaki Tsubakishita | 1986-12-02 |
| 4325426 | Air conditioner system | Fumio Otsuka, Teiichi Nabeta, Yasufumi Kojima, Takeo Matsushima, Yasuhiro Fujioka | 1982-04-20 |