Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971428 | Exhaust gas purification device for internal combustion engine | Hiroyuki Kimura, Mitsutaka Kojima, Kei Shigahara, Michihiro Hata, Kazuhito Kawashima +3 more | 2011-07-05 |
| 7874145 | Emmision control device for internal combustion engine | Mitsutaka Kojima, Kazuma Sanada, Yuji Sato, Hiroshi Tanada, Kouichi Tomida +1 more | 2011-01-25 |
| 7730721 | Exhaust gas purification device of internal combustion engine | Hiroyuki Kimura, Mitsutaka Kojima, Kei Shigahara, Michihiro Hata, Kazuhito Kawashima +3 more | 2010-06-08 |
| 6976356 | Exhaust gas purifier for use in internal combustion engine | Osamu Nakayama, Yasuki Tamura, Kazuhito Kawashima | 2005-12-20 |
| 6892528 | Catalyst deterioration detecting apparatus | Yasuki Tamura, Kinichi Iwachido, Osamu Nakayama | 2005-05-17 |
| 6892527 | Catalyst deterioration suppressing apparatus and method | Katsunori Ueda, Masaaki Kaneko, Ishido Masanori, Yasuki Tamura | 2005-05-17 |
| 6718756 | Exhaust gas purifier for use in internal combustion engine | Osamu Nakayama, Yasuki Tamura, Kazuhito Kawashima | 2004-04-13 |
| 6711892 | Exhaust gas purifier for internal combustion engines | Yasuki Tamura, Tomohiro Ohashi, Naoto Yamada, Kazuo Koga | 2004-03-30 |
| 6644021 | Exhaust gas purifying apparatus of internal combustion engine | Yasuki Tamura | 2003-11-11 |
| 6558637 | Exhaust emission purifier | Yasuki Tamura, Kazuo Koga, Osamu Nakayama, Keisuke Kawamura, Kiyoshi Kawamura +1 more | 2003-05-06 |
| 6558636 | Plasma type exhaust gas cleaning apparatus | Yasuki Tamura, Kazuo Koga, Osamu Nakayama, Keisuke Kawamura, Kiyoshi Kawamura | 2003-05-06 |
| 6487851 | Exhaust emission control device of internal combustion engine | Takashi Dogahara, Yasuki Tamura | 2002-12-03 |
| 6382178 | In-cylinder injection type spark ignition internal combustion engine | Hirofumi Higashi, Yasuhiko Iwamoto, Tateo Kume, Tetsuo Kataoka, Shinichi Murata +2 more | 2002-05-07 |
| 6196180 | In-cylinder injection type spark ignition internal combustion engine | Hirofumi Higashi, Yasuhiko Iwamoto, Tateo Kume, Tetsuo Kataoka, Shinichi Murata +2 more | 2001-03-06 |
| 5813386 | Control device and control method for lean-burn engine | Kazuhide Togai, Masaji Ishida | 1998-09-29 |
| 5778856 | Control device and control method for lean-burn engine | Kazuhide Togai, Masaji Ishida | 1998-07-14 |
| 5694901 | Method for the determination of rough road in vehicle with internal combustion engine mounted thereon | Kazuhide Togai, Shogo Omori | 1997-12-09 |
| 5657625 | Apparatus and method for internal combustion engine control | Kazuo Koga, Yoshiaki Danno, Kazuhide Togai, Osamu Hirako, Shogo Ohmori +2 more | 1997-08-19 |
| 5517970 | Fuel feeding system and method for internal combustion engine | Shogo Omori | 1996-05-21 |