Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9181842 | Temperature sensor, sulfur component detector, and exhaust purification system for internal combustion engine | Kazuhiro Umemoto, Hiromasa Nishioka, Yoshihisa Tsukamoto, Junichi Matsuo, Takamitsu Asanuma +3 more | 2015-11-10 |
| 7930922 | Soot generation amount estimation apparatus for internal combustion engine | Tomomi Onishi, Shigeki Nakayama, Yoshiki Takatori, Shuichi Kubo, Satoshi Yamazaki | 2011-04-26 |
| 7383118 | Control apparatus for internal combustion engine | Daichi Imai, Shigeki Nakayama | 2008-06-03 |
| 7207170 | Warm-up method and warm-up system for internal combustion engine | — | 2007-04-24 |
| 7107761 | Exhaust control apparatus of internal combustion engine and exhaust gas flow amount estimating method | Yoshiyuki Takahashi | 2006-09-19 |
| 7107142 | Automatic compliance device, automatic compliance method, automobile, and storage medium | Yasuo Harada, Teruhiko Miyake, Yusuke Nozaki | 2006-09-12 |
| 7055508 | EGR control device and method for internal combustion engine | Akio Matsunaga | 2006-06-06 |
| 6928361 | Control apparatus for motor vehicle and storage medium | Shigeki Nakayama, Toshio Suematsu, Tomihisa Oda, Yasuo Harada, Akio Matsunaga +3 more | 2005-08-09 |
| 6293757 | Fluid pump control apparatus and method | Tomihisa Oda, Yasuo Harada | 2001-09-25 |
| 6065449 | Fuel injection control device for an internal combustion engine | — | 2000-05-23 |
| 6000385 | Combustion engine with EGR apparatus | — | 1999-12-14 |
| 5921223 | Control apparatus for an internal combustion engine | — | 1999-07-13 |
| 5190008 | Lean burn internal combustion engine | Hirofumi Yamasaki, Kiyoshi Yagi, Keisuke Tsukamoto, Toshio Takaoka | 1993-03-02 |
| 5167211 | Air intake system for a fuel-injection engine | Hiroshi Okano | 1992-12-01 |
| 5146885 | Air-fuel ratio control device for an engine | Keisuke Tsukamoto, Toshio Takaoka, Hirofumi Yamasaki | 1992-09-15 |
| 5092297 | Air-fuel ratio control device for a vehicle engine | Keisuke Tsukamoto, Toshio Takaoka, Hirofumi Yamasaki | 1992-03-03 |
| 5080074 | Air-fuel ratio control device of an internal combustion engine | Keisuke Tsukamoto, Toshio Takaoka, Hirofumi Yamasaki | 1992-01-14 |
| 5067465 | Lean burn internal combustion engine | Hirofumi Yamasaki, Kiyoshi Yagi, Keisuke Tsukamoto, Toshio Takaoka | 1991-11-26 |
| 5060618 | Method and apparatus for controlling torque variations in an internal combustion engine | Toshio Takaoka, Keisuke Tsukamoto, Hirofumi Yamasaki | 1991-10-29 |
| 5058556 | Device for determining activated condition of an oxygen sensor | Keisuke Tsukamoto, Toshio Takaoka, Hirofumi Yamasaki | 1991-10-22 |