Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8230846 | Air-fuel ratio control device for internal combustion engine | Takahiko Fujiwara, Hiroaki Mizoguchi, Norihisa Nakagawa, Taiga Hagimoto, Naoto Kato | 2012-07-31 |
| 8122869 | Air-fuel ratio control system of a multi-cylinder internal combustion engine | Takahiko Fujiwara, Norihisa Nakagawa, Taiga Hagimoto, Junichi Kako, Naoto Kato +1 more | 2012-02-28 |
| 7996143 | Control apparatus for an internal combustion engine | — | 2011-08-09 |
| 7677223 | Air-fuel-ratio control apparatus for internal combustion engine | Naoto Kato | 2010-03-16 |
| 7654252 | Air-fuel ratio control system and method for internal combustion engine | Naoto Kato | 2010-02-02 |
| 7484504 | Air-fuel ratio control system and method for internal combustion engine | Naoto Kato | 2009-02-03 |
| 7474956 | Air-fuel ratio control system of internal combustion engine | Norihisa Nakagawa, Takahiko Fujiwara, Taiga Hagimoto, Junichi Kako, Naoto Kato | 2009-01-06 |
| 7389174 | Air/fuel ratio control apparatus for internal combustion engine | — | 2008-06-17 |
| 7293555 | Controller and control method for internal combustion engine | Naoto Kato | 2007-11-13 |
| 7278394 | Air-fuel-ratio control apparatus for internal combustion engine | Naoto Kato | 2007-10-09 |
| 7165389 | Catalyst degradation determining method | Akira Kamoto, Toshinari Nagai, Yosuhiro Oi, Noriyasu Adachi, Koji Ide +3 more | 2007-01-23 |
| 7117665 | Catalyst degradation determining method | Akira Kamoto, Toshinari Nagai, Yasuhiro Oi, Noriyasu Adachi, Koji Ide +3 more | 2006-10-10 |
| 7032374 | Exhaust purification apparatus for internal combustion engine | Noriyasu Adachi, Naoto Kato, Toshinari Nagai, Yasuhiro Oi, Daisuke Kobayashi +2 more | 2006-04-25 |
| 6915628 | Catalyst degradation determining method | Akira Kamoto, Toshinari Nagai, Yasuhiro Oi, Noriyasu Adachi, Koji Ide +3 more | 2005-07-12 |