Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10586991 | Fuel cell system and fuel cell system control method | — | 2020-03-10 |
| 8808932 | Fuel cell system | — | 2014-08-19 |
| 7939208 | Fuel cell system | — | 2011-05-10 |
| 7824815 | Fuel cell system | Daisuke Yamazaki, Nobuo Watanabe, Nobuyuki Kitamura | 2010-11-02 |
| 6840210 | Direct cylinder injection-type spark ignition internal combustion engine | Tatsuo Kobayashi, Fumiaki Hattori, Takashi Hashima, Hiroyuki Hokuto, Toshimi Kashiwagura +5 more | 2005-01-11 |
| 6629518 | Direct cylinder injection-type spark ignition internal combustion engine | Tatsuo Kobayashi, Fumiaki Hattori, Takashi Hashima, Hiroyuki Hokuto, Toshimi Kawashiwagura +5 more | 2003-10-07 |
| 6615794 | Direct cylinder injection-type spark ignition internal combustion engine | Tatsuo Kobayashi, Fumiaki Hattori, Takashi Hashima, Hiroyuki Hokuto, Toshimi Kashiwagura +5 more | 2003-09-09 |
| 6478007 | In-cylinder-injection internal combustion engine and method of controlling in-cylinder-injection internal combustion engine | Shigeki Miyashita, Takashi Tsunooka | 2002-11-12 |
| 6460509 | Direct-fuel-injection-type spark-ignition internal combustion engine | Nobuyuki Muramatsu, Yasuhito Tsutsumi, Tatsuo Kobayashi, Souichi Matusita, Shizuo Abe +2 more | 2002-10-08 |
| 6341591 | Direct fuel injection-type spark ignition internal combustion engine | Yasuhito Tsutsumi, Tatehito Ueda, Takeshi Okumura, Toshimi Kashiwagura, Mutsumi Kanda +1 more | 2002-01-29 |
| 6336437 | Direct cylinder injection-type spark ignition internal combustion engine | Tatsuo Kobayashi, Fumiaki Hattori, Takashi Hashima, Hiroyuki Hokuto, Toshimi Kashiwagura +5 more | 2002-01-08 |
| 5562086 | Control device of a varable cylinder engine | Toshiaki Asada, Kazuhiro Iwahashi, Akihiro Yamanaka | 1996-10-08 |
| 5540633 | Control device for variable displacement engine | Akihiro Yamanaka, Kenichiroh Shindoh, Toshiaki Asada, Kenichi Nomura | 1996-07-30 |
| 5343839 | Two-stroke engine | Koichi Nakae | 1994-09-06 |
| 5230312 | Two-stroke engine | Norihiko Nakamura, Tadashi Fukuyama, Takeshi Sato, Koichi Nakae | 1993-07-27 |
| 5125380 | Two-stroke diesel engine | Koichi Nakae, Tadashi Fukuyama, Takeshi Sato, Michio Kawagoe | 1992-06-30 |
| 4995347 | Intake device of a two stroke engine with supercharger bypass passage | Takao Tate, Norihiko Nakamura, Hiroshi Noguchi, Michio Kawagoe, Kichiro Kato +4 more | 1991-02-26 |
| 4840147 | Combustion chamber of a two-stroke engine | Toshio Tanahashi, Norihiko Nakamura, Hiroshi Noguchi, Kenichi Nomura, Masanobu Kanamaru +5 more | 1989-06-20 |
| 4823755 | Fuel injection system for an internal combustion engine | Katsuhiko Hirose, Hiroshi Noguchi, Kingo Horii, Hideo Nagaosa, Toshio Tanahashi +1 more | 1989-04-25 |
| 4821686 | Two-stroke internal combustion engine with cylinder head valves | Norihiko Nakamura, Hirosi Noguchi, Tosio Tanahasi, Katsuhiko Hirose | 1989-04-18 |
| 4781154 | Two-cycle internal combustion engine | Toshio Tanahashi, Norihiko Nakamura, Michiaki Ujihashi, Hiroshi Noguchi, Toshio Ito +2 more | 1988-11-01 |
| 4732117 | Two-cycle internal combustion engine | Toshio Tanahashi, Norihiko Nakamura, Michiaki Uzihashi, Hiroshi Noguchi, Toshio Ito +2 more | 1988-03-22 |
| 4732118 | Two-cycle internal combustion engine | Toshio Tanahashi, Norihiko Nakamura, Michiaki Uzihashi, Hiroshi Noguchi, Toshio Ito +2 more | 1988-03-22 |
| 4732124 | Two-cycle internal combustion engine | Norihiko Nakamura, Toshio Tanahashi, Michiaki Ujihashi, Hiroshi Noguchi, Toshio Itoh +2 more | 1988-03-22 |
| 4732116 | Two-cycle internal combustion engine | Toshio Tanahashi, Norihiko Nakamura, Michiaki Ujihashi, Hiroshi Noguchi, Toshio Ito +2 more | 1988-03-22 |