Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4909210 | Variable swirl intake apparatus for engine | Taizo Shimada, Tomoaki Tajima, Shigeo Yazawa, Toshio Tsuda, Shuichi Komuro +2 more | 1990-03-20 |
| 4834035 | Variable swirl intake apparatus for engine | Taizo Shimada, Tomoaki Tajima, Shigeo Yazawa, Toshio Tsuda, Shuichi Komuro +2 more | 1989-05-30 |
| 4746223 | Meter for integrating the operating time of a steam trap | Takayoshi Osumi, Shizuma Oishi, Hideaki Yumoto, Yoshihiko Hasegawa | 1988-05-24 |
| 4715225 | Flow meter for measuring the flow rate of liquid | Yoshihiko Hasegawa | 1987-12-29 |
| 4300588 | Steam trap with spherical inverted bucket float | Katsuji Fujiwara, Tadashi Oike | 1981-11-17 |