Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8396644 | Control device for internal combustion engine | Hajime Kabashima, Kazushi Yamamoto | 2013-03-12 |
| 7751554 | Sound information providing system | Toshihiko Ishiba, Naohisa Yokota, Hiroshi Kawahashi | 2010-07-06 |
| 7082898 | Internal combustion engine of compression ignition type | Tohru Kitamura, Tomio Kimura, Shohei Okazaki, Akira Kato, Toshihiro Yamaki +5 more | 2006-08-01 |
| 6817349 | Control system and method and engine control unit for compression ignition internal combustion engine | Moriyoshi Awasaka, Takashi Kakinuma, Junji Yasuda | 2004-11-16 |
| 5941213 | Control system for internal combustion engines | Kiyoshi Ishii, Takashi Sasaki, Kazuo Yoshida | 1999-08-24 |
| 5282443 | Valve operating system in internal combustion engine | Yoshihiro Fujiyoshi, Hiroshi Sono, Kouichi Fukuo | 1994-02-01 |
| 5195474 | Oil supply system in internal conbustion engine | Kazuhide Kumagai, Shigeru Suzuki | 1993-03-23 |
| 5193494 | Valve operating system for internal combustion engine | Hiroshi Sono, Masakazu Kinoshita | 1993-03-16 |
| 4889085 | Valve operating device for internal combustion engine | Toru Yagi, Yoshihiro Fujiyoshi, Takatoshi Aoki | 1989-12-26 |
| 4873949 | Method of and apparatus for controlling valve operation in an internal combustion engine | Yoshihiro Fujiyoshi, Takatoshi Aoki | 1989-10-17 |
| 4862843 | Valve timing control device for use in internal combustion engine | Michio Kawamoto, Yoshihiro Fujiyoshi, Takatoshi Aoki | 1989-09-05 |