Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7090056 | Double deck elevator that controls a velocity change during inter-cage distance adjustment | Yoshiaki Fujita | 2006-08-15 |
| 6420167 | Fermentation treatment apparatus of organic waste | Kazuo Hayashi, Noriaki Tsuchiiwa, Yasuo Hayami | 2002-07-16 |
| 5209284 | Reduced pressure heat treating device | Masao Yonemura, Hideaki Yumoto | 1993-05-11 |
| 4898022 | Steam trap operation detector | Hideaki Yumoto, Masao Yonemura, Mamoru Nagase, Yoshito Yamada, Yoshiyasu Fujiwara +1 more | 1990-02-06 |
| 4595394 | Agent for improving processability of cellulose fibers: acid polymer salts for improved scouring | Shigeru Nagao, Kazuhisa Yagi | 1986-06-17 |
| 4304197 | Condensate recovery system | — | 1981-12-08 |