Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8892282 | Electrically driven vehicle | — | 2014-11-18 |
| 8720621 | Electrically driven vehicle | Shintaro Utsumi, Satoko Tofukuji, Kazuhito Sakai, Hirotsugu Ojima, Atsunori Kumagai +2 more | 2014-05-13 |
| 8589008 | Electric vehicle | Shintaro Utsumi, Hirotsugu Ojima, Motohiro Yuge | 2013-11-19 |
| 8296004 | Electrically-driven vehicle | Shintaro Utsumi, Satoko Tofukuji, Atsunori Kumagai, Hirotsugu Ojima, Kazuhito Sakai +2 more | 2012-10-23 |
| 6615789 | Piston for internal combustion engines | Akira Inoue | 2003-09-09 |
| 6260518 | Direct injection spark-ignited internal combustion engine | — | 2001-07-17 |
| 6253728 | Direct injection gasoline engine with stratified charge combustion and homogeneous charge combustion | Yutaka Matayoshi, Tadashi Nomura, Tsuyoshi Masuda | 2001-07-03 |
| 6209514 | Direct injection gasoline engine | Yutaka Matayoshi, Tadashi Nomura, Tsuyoshi Masuda | 2001-04-03 |
| 6196185 | Fuel direct injection spark ignition type internal combustion engine | — | 2001-03-06 |
| 6167864 | Arrangement for spark-igniting direct-injection internal combustion engine | Tadashi Nomura | 2001-01-02 |
| 6129070 | Piston for cylinder direct injection spark ignition internal combustion engine | Mitsuhiro Akagi | 2000-10-10 |
| 6092501 | Direct injection gasoline engine with stratified charge combustion and homogeneous charge combustion | Yutaka Matayoshi, Tadashi Nomura, Tsuyoshi Masuda | 2000-07-25 |
| 6065444 | Direct-injection spark-ignition engine | Hiroshi Miyakubo | 2000-05-23 |
| 5913297 | Internal combustion engine | — | 1999-06-22 |
| 5148784 | Structure of internal combustion engine | Toyoki Hiraoka, Syuji Kurosaka | 1992-09-22 |
| 4974561 | Lubrication device for engine | Akira Murasaki, Masayuki Hashimoto | 1990-12-04 |
| 4970999 | Cylinder head for overhead camshaft engine | Yoshio Iwasa | 1990-11-20 |
| 4955335 | Camshaft driving arrangement for internal combustion engine | Yoshio Iwasa | 1990-09-11 |
| 4951623 | Double overhead camshaft engine | Yoshio Iwasa | 1990-08-28 |