Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5603305 | Exhaust gas recirculation valve | Toshihiko Miyake, Katsuyuki Nitta, Hiroki Yamasaki | 1997-02-18 |
| 5601112 | Check valve | Hirofumi Doi, Takakazu Tochimoto, Masashi Wakisaka | 1997-02-11 |
| 5425235 | Apparatus for purifying engine exhaust gas | Yasuhiko Hosoya, Toshiki Kuroda, Tatsuhiko Takahashi | 1995-06-20 |
| 5336068 | Scroll-type fluid machine having the eccentric shaft inserted into the moving scroll | Satoshi Asada, Katsuyuki Fukuhara | 1994-08-09 |
| 4700805 | Muffler for exhaust gas from internal combustion engine | Hideharu Tanaka, Fusaoki Uchikawa | 1987-10-20 |
| 4523662 | Muffler for exhaust gas from an internal combustion engine | Hideharu Tanaka, Fusaoki Uchikawa | 1985-06-18 |
| 4371581 | Sound absorber | Fusaoki Uchikawa, Hideharu Tanaka, Yasufumi Ohata | 1983-02-01 |
| 4352853 | Sound absorber | Fusaoki Uchikawa, Hideharu Tanaka, Yasufumi Ohata | 1982-10-05 |