Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5713330 | Internal combustion engine with supercharger | Mitsuo Hitomi, Shunji Masuda, Kenji Kashiyama, Junsou Sasaki | 1998-02-03 |
| 5590626 | Reciprocating engine of a spark ignition type | Mitsuo Hitomi, Shunji Masuda, Kenji Kashiyama, Junsou Sasaki | 1997-01-07 |
| 5445123 | Reciprocating engine of a spark ignition type | Mitsuo Hitomi, Shunji Masuda, Kenji Kashiyama, Junsou Sasaki | 1995-08-29 |
| 5433180 | Internal combustion engine with supercharger | Mitsuo Hitomi, Shunji Masuda, Kenji Kashiyama, Junsou Sasaki | 1995-07-18 |
| 5357936 | Engine of a spark ignition type | Mitsuo Hitomi, Shunji Masuda, Kenji Kashiyama, Junsou Sasaki | 1994-10-25 |
| 5309886 | Supercharged internal combustion engine | Mitsuo Hitomi, Shunji Masuda, Kenji Kashiyama, Junsou Sasaki, Noriyuki Iwata +1 more | 1994-05-10 |
| 5203311 | Exhaust gas recirculation system for an internal combustion engine | Mitsuo Hitomi, Kenji Kashiyama, Junsou Sasaki, Kazuaki Umezawa, Tadayoshi Kaide +3 more | 1993-04-20 |
| 5201907 | Internal combustion engine | Mitsuo Hitomi, Shunji Masuda, Kenji Kashiyama, Junsou Sasaki | 1993-04-13 |
| 5161492 | Intake system for multi-cylinder engine | Mitsuo Hitomi, Masashi Marubara, Mikihito Fujii | 1992-11-10 |
| 5146897 | Intake manifold of intake system for multi-cylinder internal combustion engine | Mitsuo Hitomi, Toshimitsu Tanaka, Naoyuki Yamagata | 1992-09-15 |
| 5144918 | Intake system for engine | Toshimitsu Tanaka, Naoyuki Yamagata, Mitsuo Hitomi, Masashi Marubara, Mikihito Fujii | 1992-09-08 |
| 5133308 | Intake system for engine | Mitsuo Hitomi, Mikihito Fujii | 1992-07-28 |
| 5125369 | Intake system for multi-cylinder engine | Mitsuo Hitomi, Masashi Marubara | 1992-06-30 |
| 5085178 | Intake piping structure for multi-cylinder engine | Mitsuo Hitomi | 1992-02-04 |
| 5080051 | Intake system for engine | Mitsuo Hitomi, Mikihito Fujii | 1992-01-14 |
| 5074258 | Intake system for multiple-cylinder engine | Mitsuo Hitomi, Masashi Marubara, Mikihito Fujii | 1991-12-24 |
| 4989553 | Air intake device of engine | Kazuhiko Ueda, Toshimitsu Tanaka, Hiroyuki Oda, Mikihito Fujii | 1991-02-05 |
| 4889082 | Intake system for multiple-cylinder engine | Mitsuo Hitomi, Yasuhiro Yuzuriha, Akinori Yamashita | 1989-12-26 |
| 4846117 | Intake system for multiple-cylinder engine | Mitsuo Hitomi, Akinori Yamashita, Yasuhiro Yuzuriha | 1989-07-11 |
| 4616985 | Vane type compressor having an improved rotatable sleeve | Yuji Akagi, Hideo Kohara | 1986-10-14 |
| 4509906 | Vane type rotary compressor having a wear resistant resin coating | Yuji Akagi, Hideo Kohara | 1985-04-09 |
| 4482399 | Nitrided cast iron product and method for manufacturing the same | Tuyoshi Morishita, Yashuhumi Kawado, Kouji Tarumoto | 1984-11-13 |
| 4225294 | Oil seal means for rotary piston engines including a nitrided and ground surface | Seiichi Kakuwa, Ichiro Yamagata, Toshio Yamada | 1980-09-30 |