Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6672293 | Exhaust gas recirculating valve device | Hisashi Yokoyama, Yasuhiko Kato | 2004-01-06 |
| 6453891 | Exhaust gas recirculation valve device | Yasuhiko Kato, Hisashi Yokoyama | 2002-09-24 |
| D445430 | Portion of valve body | Hisashi Yokoyama, Yasuhiko Kato, Toshihiko Miyake | 2001-07-24 |
| D445431 | Exhaust gas recirculation valve | Hisashi Yokoyama, Yasuhiko Kato, Toshihiko Miyake | 2001-07-24 |
| D438515 | Portion of heat sink | Hisashi Yokoyama, Yasuhiko Kato, Toshihiko Miyake | 2001-03-06 |