Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5916131 | Apparatus for purifying engine exhaust gas | Toshiki Kuroda, Tatsuhiko Takahashi, Mutsuo Sekiya | 1999-06-29 |
| 5724810 | Controlling apparatus for introduction air into an exhaust pipe of an internal combustion engine | Toshiki Kuroda, Hideaki Katashiba | 1998-03-10 |
| 5675968 | Secondary air control apparatus for exhaust gas purifier | Hideaki Katashiba, Ryoji Nishiyama, Toshiki Kuroda | 1997-10-14 |
| 5566547 | Controlling apparatus for introducing air into an exhaust pipe of an internal combustion engine | Toshiki Kuroda, Hideaki Katashiba | 1996-10-22 |
| 5560202 | Exhaust gas cleaner system for an internal combustion engine with catalytic converter supplied with secondary air | Hirofumi Ohuchi, Tatsuhiko Takahashi | 1996-10-01 |
| 5549872 | Apparatus for purifying engine exhaust gas | Toshiki Kuroda | 1996-08-27 |
| 5519992 | Exhaust gas purification system for internal combustion engine, and apparatus and method for controlling the same | Hirofumi Ohuchi, Tatsuhiko Takahashi | 1996-05-28 |
| 5517848 | Exhaust gas purification system for internal combustion engine, and apparatus and method for controlling the same | Hirofumi Ohuchi, Tatsuhiko Takahashi | 1996-05-21 |
| 5493858 | Controlling apparatus for introduction air into exhaust pipe of internal combustion engine | Toshiki Kuroda, Hideaki Katashiba | 1996-02-27 |
| 5459998 | Apparatus for introducing fresh air into exhaust pipe of internal combustion engine for purification of exhaust gas | Toshiki Kuroda, Hideaki Katashiba | 1995-10-24 |
| 5459999 | Exhaust gas cleaner system for an internal combustion engine with catalytic converter supplied with secondary air | Hirofumi Ohuchi, Tatsuhiko Takahashi | 1995-10-24 |
| 5435129 | Apparatus for controlling air feeding to exhaust pipe of internal combustion engine | Toshiki Kuroda, Hideaki Katashiba | 1995-07-25 |
| 5425235 | Apparatus for purifying engine exhaust gas | Toshiki Kuroda, Tatsuhiko Takahashi, Mutsuo Sekiya | 1995-06-20 |
| 5412943 | Apparatus and method for introducing secondary air for cleaning exhaust emissions from internal combustion engine | — | 1995-05-09 |
| 5357790 | Misfiring detecting apparatus for an internal combustion engine | — | 1994-10-25 |
| 5205258 | Knock suppressing apparatus and method | Atsuko Hashimoto, Toshio Iwata, Atsushi Ueda | 1993-04-27 |
| 5144929 | Knock suppression apparatus and method for a multi-cylinder internal combusiton engine | Toshio Iwata | 1992-09-08 |
| 5038735 | Knock suppression apparatus and method for a multi-cylinder internal combustion engine | Toshio Iwata | 1991-08-13 |
| 4969441 | Knocking suppression apparatus for an internal combustion engine | Satosi Komurasaki | 1990-11-13 |