Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5474745 | Catalytic converter for purifying exhaust gas | Masayuki Fukui, Koji Yokota, Yutaka Yokoi | 1995-12-12 |
| 5441401 | Method of decreasing nitrogen oxides in combustion device which performs continuous combustion, and apparatus therefor | Akira Yamaguro, Shigenori Haramura, Naoki Minamoto, Hideaki Muraki, Katsushi Abe +2 more | 1995-08-15 |
| 5412946 | NOx decreasing apparatus for an internal combustion engine | Hideaki Muraki, Koji Yokota, Kiyoshi Nakanishi | 1995-05-09 |
| 5401371 | Hydrogen generator | Katsushi Abe, Kazuo Kawahara, Motonobu Akaki, Souichi Matsushita | 1995-03-28 |
| 5272871 | Method and apparatus for reducing nitrogen oxides from internal combustion engine | Katsushi Abe, Kazuo Kawahara, Koji Yokota, Hideaki Muraki, Masayuki Fukui | 1993-12-28 |
| 4721253 | Intermittent type swirl injection nozzle | Masaaki Noguchi, Masaharu Sumiyoshi, Masatoshi Yamada | 1988-01-26 |
| 4653694 | Intermittent type swirl injection nozzle | Masaaki Noguchi, Masaharu Sumiyoshi | 1987-03-31 |
| 4641617 | Direct injection type internal combustion engine | Taro Aoyama | 1987-02-10 |
| 4633830 | Direct injection internal combustion engine of compression ignition type | Masatoshi Yamada, Nobuyuki Mori, Katsuhiko Sugiyama, Taro Aoyama, Akinori Saito +1 more | 1987-01-06 |
| 4543929 | Turbulence generating method and internal combustion engine for carrying out the same | Masao Kataoka, Takashi Noda, Shigeo Suzuki | 1985-10-01 |
| 4526143 | Direct injection internal combustion engine of compression ignition type | Taro Aoyama | 1985-07-02 |
| 4522172 | Direct injection internal combustion engine of compression ignition type | Taro Aoyama | 1985-06-11 |
| 4483179 | Method of and device for detection of knocking for internal combustion engine | Kiyokazu Asai, Hiroharu Tokoro | 1984-11-20 |
| 4473046 | Direct injection type internal combustion engine | Taro Aoyama, Junichi Mizuta, Kiyokazu Sunami | 1984-09-25 |
| 4408479 | Knocking detecting device for internal combustion engines | Kiyokazu Asai, Akihiro Takeuchi, Hiroharu Tokoro | 1983-10-11 |
| 4345555 | Self-heating ignition plug | Yoshiyasu Fujitani, Hideaki Muraki, Shiroh Kondoh, Kouji Yokota | 1982-08-24 |
| 4305352 | Internal combustion engine | Takatoshi Banno | 1981-12-15 |
| 4193382 | Stratified charge type combustion process for internal combustion engine and internal combustion engine utilizing same | — | 1980-03-18 |