Issued Patents All Time
Showing 176–200 of 237 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295472 | Apparatus for detecting malfunction in evaporated fuel purge system used in internal combustion engine | Takayuki Otsuka, Kouichi Osawa, Tatsumasa Sugiyama, Katsuhiko Teraoka, Koji Okawa | 1994-03-22 |
| 5279116 | Device for determining deterioration of a catalytic converter for an engine | Yasuhiro Shimizu | 1994-01-18 |
| 5245866 | Device for detecting occurrence of misfiring in multicylinder engine | Yukihide Hashiguchi | 1993-09-21 |
| 5139947 | Antigenic noninfectious HIV-producing cloned T cell | Yoshiaki Hamamoto, Naoki Yamamoto | 1992-08-18 |
| 5117026 | Fluorine-containing organic silicon compounds | Hirofumi Kishita, Kouichi Yamaguchi, Hideki Fujii, Shuji Suganuma, Yoshikazu Saito +2 more | 1992-05-26 |
| 4978549 | Method for producing tomato products | Norihisa Takada, Saburo Kojima, Tadaaki Wakayama, Kyoko Omi, Hideyuki Okada | 1990-12-18 |
| 4905016 | Recorder with a pencil pen and method therefor | Yukihiro Kaneko, Tikao Nakagawa, Masatoshi Noguchi, Takamichi Yoshikawa, Masashi Nakamura | 1990-02-27 |
| 4730587 | Control device of an internal combustion engine | Kazuhiko Norota, Takashi Hattori | 1988-03-15 |
| 4725955 | Apparatus for controlling ignition timing in an internal combustion engine | Takashi Hattori, Toshimitsu Ito | 1988-02-16 |
| 4723350 | Method of producing oil seal | Torami Hoshi | 1988-02-09 |
| 4719888 | Method and apparatus for controlling air-fuel ratio in internal combustion engine | Takashi Hattori, Toshimitsu Ito | 1988-01-19 |
| 4718014 | Apparatus for controlling ignition timing in an internal combustion engine | Takashi Hattori, Kazuhiko Norota | 1988-01-05 |
| 4713766 | Method and apparatus for controlling air-fuel ratio in internal combustion engine | Takashi Hattori, Katsunori Yagi, Toshimitsu Ito | 1987-12-15 |
| 4696275 | Fuel injection method and device providing simple atmospheric pressure compensation for engine incorporating open to atmosphere fuel pressure regulator valve | Naoto Kushi, Hiroshi Okano, Naoki Sugita | 1987-09-29 |
| 4693354 | Clutch damper | Mitsuhiro Umeyama, Kaoru Wakahara, Hisao Ohtani, Kenichi Kametaka, Masaru Kinoshita | 1987-09-15 |
| 4653451 | Method and apparatus for detecting surging in internal combustion engine | Takashi Hattori, Katsunori Yagi, Toshimitsu Ito | 1987-03-31 |
| 4651700 | Method and apparatus for controlling air-fuel ration in internal combustion engine | Toshimitsu Ito, Takao Akatsuka, Masakazu Ninomiya | 1987-03-24 |
| 4648370 | Method and apparatus for controlling air-fuel ratio in internal combustion engine | Takashi Hattori | 1987-03-10 |
| 4644921 | Method and apparatus for controlling air-fuel ratio in internal combustion engine | Toshimitsu Ito | 1987-02-24 |
| 4625699 | Method and apparatus for controlling air-fuel ratio in internal combustion engine | Takashi Hattori | 1986-12-02 |
| 4617890 | Apparatus for controlling idling speed in internal combustion engine having two bypass air passages | Toshimitsu Ito | 1986-10-21 |
| 4607603 | Fuel injection system employing the second time differential of pressure or air flow rate | Toshimitsu Ito, Kazuhiko Norota | 1986-08-26 |
| 4598678 | Intake system of an internal combustion engine | Toshimitsu Ito | 1986-07-08 |
| 4587938 | Control device for controlling air-fuel ratio and spark timing of an integral combustion engine | Katsunori Yagi, Toshimitsu Ito | 1986-05-13 |
| 4580221 | Method and device for internal combustion engine condition sensing and fuel injection control | Toshiaki Isobe | 1986-04-01 |