Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10151274 | Abnormality detection device for internal combustion engine | Masanori Kurosawa, Kosuke Nakano | 2018-12-11 |
| 9389142 | Leakage diagnosis apparatus for evaporated-gas purge system | Ryo Tamura | 2016-07-12 |
| 8155917 | Flow diagnosis apparatus for fuel vapor purge system | — | 2012-04-10 |
| RE41823 | Leak check for fuel vapor purge system | Makoto Miwa, Syujiro Morinaga, Keiji Wakahara | 2010-10-19 |
| RE41660 | Fuel vapor control system with leak check | Syujiro Morinaga, Keiji Wakahara, Makoto Miwa | 2010-09-14 |
| 7721591 | Abnormality diagnosis apparatus for internal combustion engine | — | 2010-05-25 |
| 7464698 | Air-fuel ratio control apparatus of internal combustion engine | — | 2008-12-16 |
| 7387011 | Deterioration diagnosis system for exhaust gas sensor | Kenichi Fujiki, Jonathan Saunders, Iain Watson | 2008-06-17 |
| 7316228 | Evaporated fuel treatment system for internal combustion engine | Toshiki Annoura | 2008-01-08 |
| 6915203 | Apparatus and method for diagnosis of vehicular system | Syujiro Morinaga, Hisashi Iida, Tatsuya Oka, Masakazu Yamada | 2005-07-05 |
| 6892712 | Leak check for fuel vapor purge system | Makoto Miwa, Syujiro Morinaga, Keiji Wakahara | 2005-05-17 |
| 6854452 | Fuel vapor handling system | Syujiro Morinaga, Keiji Wakahara, Makoto Miwa | 2005-02-15 |
| 6832509 | Fuel vapor control system with leak check | Syujiro Morinaga, Keiji Wakahara, Makoto Miwa | 2004-12-21 |
| 6807851 | Leak-check apparatus of fuel-vapor-processing system, fuel-temperature estimation apparatus and fuel-temperature-sensor diagnosis apparatus | Keiji Wakahara, Syujiro Morinaga, Makoto Miwa | 2004-10-26 |
| 6658346 | Misfire detection apparatus for internal combustion engine | — | 2003-12-02 |
| 6644274 | Apparatus for detecting a condition of burning in an internal combustion engine | Jun Hasegawa, Yoshihiro Majima | 2003-11-11 |
| 6338329 | Blow-by gas passage abnormality detecting system for internal combustion engines | Masaaki Nakayama | 2002-01-15 |
| 6247464 | Blow-by gas passage abnormality detecting system for internal combustion engines | Masaaki Nakayama | 2001-06-19 |
| 6098603 | Blow-by gas passage abnormality detecting system for internal combustion engines | Masaaki Nakayama | 2000-08-08 |
| 5711272 | Fuel property detection for an engine using engine speed | Hisashi Iida | 1998-01-27 |
| 5653212 | Exhaust gas recirculation system | Minoru Hotta, Masahiko Tajima | 1997-08-05 |