Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7484527 | Switch valve device | Kosuke Umeda | 2009-02-03 |
| 7316385 | Throttle body | Naozumi Hatada, Makoto Iida, Yutaka Takeuchi | 2008-01-08 |
| 6986502 | Throttle body | Naozumi Hatada, Makoto Iida, Yutaka Takeuchi | 2006-01-17 |
| 6079390 | Throttle device for internal combustion engine | Yoshikatsu Hashimoto, Shigeru Tokumoto, Hitoshi Miwa | 2000-06-27 |
| 5983858 | Throttle device for internal combustion engine | Yoshikatsu Hashimoto, Shigeru Tokumoto, Hitoshi Miwa | 1999-11-16 |
| 5749336 | Intake valve control system for internal combustion engine | Shigeru Tokumoto | 1998-05-12 |
| 5687695 | Air flow rate control device of engine and draining off method thereof | Noboru Tsukamoto | 1997-11-18 |
| 5509396 | Throttle valve actuating apparatus for use in internal combustion engine | — | 1996-04-23 |
| D338516 | Electromagnetic valve | — | 1993-08-17 |
| D338258 | Electromagnetic valve | — | 1993-08-10 |
| D335172 | Electromagnetic valve | — | 1993-04-27 |
| 5188078 | Throttle valve assembly | — | 1993-02-23 |
| 5101784 | Throttle valve | — | 1992-04-07 |
| 4934341 | Throttle actuator of internal combustion engine | Hiroshi Otsuka | 1990-06-19 |
| 4534381 | Electromagnetic valve | Kazuhiro Hozumi | 1985-08-13 |
| 4344603 | Electromagnetic valve apparatus with a hand-operated transfer device | Kazuhiro Hozumi | 1982-08-17 |