Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971428 | Exhaust gas purification device for internal combustion engine | Hiroyuki Kimura, Mitsutaka Kojima, Kojiro Okada, Kei Shigahara, Kazuhito Kawashima +3 more | 2011-07-05 |
| 7730721 | Exhaust gas purification device of internal combustion engine | Hiroyuki Kimura, Mitsutaka Kojima, Kojiro Okada, Kei Shigahara, Kazuhito Kawashima +3 more | 2010-06-08 |
| 6782696 | Control device and method for a diesel engine and diesel engine | Kei Shigahara, Toshinori Morita, Noriyuki Koga, Yuji Yanagawa | 2004-08-31 |
| 5423300 | Internal combustion engine | Hiromitsu Ando, Osamu Hirako, Shogo Omori, Jun Takemura, Taizo Kitada +7 more | 1995-06-13 |
| 5417190 | Stratified burning internal combustion engine | Hiromitsu Ando, Osamu Hirako, Shogo Omori, Jun Takemura, Taizo Kitada +7 more | 1995-05-23 |
| 5295464 | Stratified burning internal combustion engine | Hiromitsu Ando, Osamu Hirako, Shogo Omori, Jun Takemura, Taizo Kitada +7 more | 1994-03-22 |