Issued Patents All Time
Showing 126–150 of 153 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5713317 | Method of and apparatus for continuously and variably controlling valve timing of internal combustion engine | — | 1998-02-03 |
| 5698779 | Apparatus for detecting intake air quantity of internal combustion engine having mechanism for continuously varying valve timing | — | 1997-12-16 |
| 5613360 | Warming up control device for a catalytic converter for an internal combustion engine | Akira Iwai, Yasuhito Tsutsumi | 1997-03-25 |
| 5558051 | Valve timing control device for an internal combustion engine | — | 1996-09-24 |
| 5529031 | Valve timing control device for an internal combustion engine | — | 1996-06-25 |
| 5517955 | Valve timing control device for an internal combustion engine | — | 1996-05-21 |
| 5495840 | Fuel injection timing control device for an internal combustion engine | Kaoru Ohtsuka | 1996-03-05 |
| 5482012 | Valve timing control device for an internal combustion engine | — | 1996-01-09 |
| 5469818 | Variable valve timing control device for an engine | Haruyuki Obata, Ken Tanoue, Yoshihiro Iwashita, Toshimi Kashiwagura, Makoto Suzuki +2 more | 1995-11-28 |
| 5390637 | Engine speed controller for a vehicle | Kunihiko Nakata | 1995-02-21 |
| 5351486 | Charging control apparatus for an internal combustion engine with a dual turbocharger system | Kunihiko Nakata, Akira Kotani, Makoto Makino | 1994-10-04 |
| 5313798 | Charging control apparatus for an internal combustion engine with a dual turbocharger system | Kunihiko Nakata, Akira Kotani, Makoto Makino | 1994-05-24 |
| 5289684 | Charging pressure control apparatus for an internal combustion engine with a dual turbocharger system | Kunihiko Nakata, Hiroki Wada | 1994-03-01 |
| 5279273 | EGR apparatus for an internal combustion engine | Kunihiko Nakata, Shunichi Ide, Shigeru Yoshiyama | 1994-01-18 |
| 5277029 | Internal combustion engine with a dual turbocharger system | Toru Kidokoro, Toshihisa Sugiyama, Kunihiko Nakata, Yuji Kanto, Keizo Takahashi | 1994-01-11 |
| 5190015 | Evaporated fuel discharge suppressing apparatus for an internal combustion engine | Kunihiko Nakata, Toshihisa Sugiyama, Yuji Kanto | 1993-03-02 |
| 5186005 | Internal combustion engine with a dual turbocharger system | Toshihisa Sugiyama, Toru Kidokoro | 1993-02-16 |
| 5168707 | Internal combustion engine with a dual turbocharger system | Toshihisa Sugiyama, Kunihiko Nakata, Yuuji Kantou, Toru Kidokoro | 1992-12-08 |
| 5154057 | Internal combustion engine with a dual turbocharger system | Toshihisa Sugiyama, Toru Kidokobo | 1992-10-13 |
| 5144803 | Internal combustion engine with a dual turbocharger system | Toshihisa Sugiyama, Toru Kidokoro | 1992-09-08 |
| 5081842 | Internal combustion engine with a dual turbocharger system | Toshihisa Sugiyama, Kunihiko Nakata, Takashi Miyake, Toru Kidokoro | 1992-01-21 |
| 4870942 | Diagnosis device for exhaust gas recycling device of internal combustion engine | Norio Shibata, Hideaki Mizuno, Kouichi Satoya, Nobuki Uchitani, Tatsuyoshi Kamohara +3 more | 1989-10-03 |
| 4825841 | Diagnosis device for an internal combustion engine exhaust gas recycling device | Kazuhiko Norota, Hidemi Ohnaka | 1989-05-02 |
| 4732128 | Method and apparatus for controlling heater for heatng air-fuel ratio sensor | Kenichi Nomura, Kouichi Hoshi, Takahide Izutani | 1988-03-22 |
| 4591170 | Cylinder head gasket having metal core web with hooks | Norihiko Nakamura, Kenichi Nomura | 1986-05-27 |