Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6024062 | Hydraulic apparatus for adjusting the timing of opening and closing of an engine valve | Katsuyuki Fukuhara, Mutsuo Sekiya | 2000-02-15 |
| 5957095 | Valve timing controlling device of internal combustion engine | — | 1999-09-28 |
| 5937808 | Valve timing control system for internal combustion engine | Koji Nishimoto | 1999-08-17 |
| 5563515 | Cylinder identifying apparatus for a multi-cylinder internal combustion engine with misfire detection | — | 1996-10-08 |
| 5532930 | Engine-controlling atmospheric pressure detection system | — | 1996-07-02 |
| 5501201 | Flow quantity valve controller and manufacturing method for flow quantity valve | Sotsuo Miyoshi, Hidetoshi Okada, Hirofumi Ohuchi, Satoshi Kawamura, Toshihiko Miyake | 1996-03-26 |
| 5392748 | Ignition timing controlling device for an engine | Tadahiro Azuma | 1995-02-28 |
| 5368005 | Apparatus for detecting fault in exhaust gas recirculation control system of internal combustion engine | — | 1994-11-29 |
| 5315979 | Electronic control apparatus for an internal combustion engine | — | 1994-05-31 |
| 5172549 | Air-fuel ratio control device for an engine | — | 1992-12-22 |
| 5113347 | Internal combustion engine speed controller for controlling a throttle valve bypass with respect to the atmospheric pressure | Hirofumi Ohuchi | 1992-05-12 |
| 5101787 | Ignition timing control apparatus for an engine | — | 1992-04-07 |
| 5069182 | Ignition timing control apparatus for an engine | — | 1991-12-03 |
| 5043901 | Air-fuel ratio controller | Masaaki Miyazaki, Shinji Kojima | 1991-08-27 |
| 5040515 | Apparatus for detecting throttle opening of an engine | — | 1991-08-20 |
| 5035217 | Idling adjusting method | — | 1991-07-30 |
| 5014203 | Abnormality detecting device for an EGR system | Masaaki Miyazaki | 1991-05-07 |
| 5002031 | Fuel control apparatus for an internal-combustion engine | — | 1991-03-26 |
| 4984553 | Fuel control apparatus for an internal combustion engine | Shinji Kojima | 1991-01-15 |
| 4967717 | Abnormality detecting device for an EGR system | Masaaki Miyazaki | 1990-11-06 |
| 4951647 | Engine control apparatus | Koji Ezumi, Masaaki Miyazaki, Shoichi Washino | 1990-08-28 |
| 4938195 | Atmospheric pressure detecting device for engine control | Masaaki Miyazaki, Shinji Kojima | 1990-07-03 |
| 4930482 | Fuel control apparatus for engines | — | 1990-06-05 |
| 4928655 | Fuel injection controller for an internal combustion engine | — | 1990-05-29 |
| 4903657 | Apparatus for and method of controlling internal combustion engines | Masaaki Miyazaki, Shinji Kojima | 1990-02-27 |