Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9983599 | Pressure reducing valve | Norihiko SHIGEOKA | 2018-05-29 |
| 7703277 | Exhaust gas purifying apparatus for internal combustion engine | Takanori Ueda, Takashi Karita, Tomihisa Oda, Kuniaki Niimi | 2010-04-27 |
| 7654241 | Dual-chamber type oil pan and engine equipped with same | Hideo Kobayashi, Katuhiko Arisawa, Yoshio Yamashita, Kunihiko Hayashi | 2010-02-02 |
| 7111594 | Method of operating internal combustion engine including electromagnetically driven intake valves | Isao Matsumoto, Kazuhiko Shiratani, Shoji Katsumata, Keiji Yoeda, Makoto Ogiso +1 more | 2006-09-26 |
| 7007920 | Method of controlling energization of electro-magnetically driven valve with variable feedback gain | Hideyuki Nishida, Isao Matsumoto, Kazuhiko Shiratani, Shoji Katsumata, Keiji Yoeda +1 more | 2006-03-07 |
| 6830233 | Control apparatus of electromagnetic drive valve and control method of the same | Shoji Katsumata, Isao Matsumoto, Kazuhiko Shiratani, Keiji Yoeda, Makoto Ogiso +1 more | 2004-12-14 |
| 6759640 | Method of controlling current applied to electromagnetically driven valve and control system | Keiji Yoeda, Isao Matsumoto, Kazuhiko Shiratani, Shoji Katsumata, Makoto Ogiso +1 more | 2004-07-06 |