Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660495 | Locking-unlocking mechanism for telescopic device | — | 1997-08-26 |
| 5279084 | Movement mechanism of telescopic column | — | 1994-01-18 |
| 5056278 | Extension support unit | — | 1991-10-15 |
| 4374812 | Process for stack gas treatment | Naoharu Shinoda, Atsushi Tatani, Taku Shimizu | 1983-02-22 |
| 4302431 | Process for controlling nitrogen oxides in exhaust gases and apparatus therefor | Kazuhiro Matsumoto, Toru Seto, Toshikuni Sera, Naohiko Ukawa | 1981-11-24 |
| 4282115 | Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases | Yoshihiko Nishimoto, Naruo Yokoyama, Toshikuni Sera | 1981-08-04 |
| 4186109 | Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases | Yoshihiko Nishimoto, Naruo Yokoyama, Toshikuni Sera | 1980-01-29 |