Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9469005 | Workpiece conveyor and machine tool | Noriyuki Nakahata | 2016-10-18 |
| 6779390 | Failure diagnosis apparatus for exhaust gas recirculation system | Satoru Osaki, Toshio Hori, Takeshi Tsuyuki | 2004-08-24 |
| 6655200 | Failure diagnosis apparatus for exhaust gas recirculation system | Satoru Osaki, Toshio Hori, Takeshi Tsuyuki | 2003-12-02 |
| 6637194 | Exhaust emission control for engine | Masatomo Kakuyama, Shigeaki Kakizaki | 2003-10-28 |
| 6622479 | Engine exhaust purification device | Masatomo Kakuyama, Shigeaki Kakizaki | 2003-09-23 |
| 6619032 | Engine exhaust purification device | Masatomo Kakuyama, Shigeaki Kakizaki | 2003-09-16 |
| 6564544 | Engine exhaust purification arrangement | Masatomo Kakuyama, Shigeaki Kakizaki | 2003-05-20 |
| 6508111 | Failure diagnosis apparatus for exhaust gas recirculation system | Satoru Osaki, Toshio Hori, Takeshi Tsuyuki | 2003-01-21 |
| 6499290 | Engine exhaust purification device | Takeshi Nakamura, Ritsuo Sato, Shigeaki Kakizaki, Masatomo Kakuyama | 2002-12-31 |
| 6494038 | Engine air-fuel ratio controller | Hideaki Kobayashi, Shigeaki Kakizaki, Masatomo Kakuyama | 2002-12-17 |
| 6490859 | Engine exhaust purification device | Masatomo Kakuyama, Shigeaki Kakizaki | 2002-12-10 |
| 6453734 | Diagnosis for EGR system | Saburo Tomikawa, Katsuhiko Kawamura | 2002-09-24 |
| 6446429 | Air-fuel ratio control of engine | Hideaki Kobayashi, Masatomo Kakuyama | 2002-09-10 |
| 6381954 | Air/fuel ratio control system of internal combustion engine | Masatomo Kakuyama, Akira Tayama, Hirofumi Tsuchida | 2002-05-07 |
| 6282889 | Air/fuel ration control system of internal combustion engine | Masatomo Kakuyama, Akira Tayama, Hirofumi Tsuchida | 2001-09-04 |
| 5979378 | Diagnosis apparatus for diagnosing variable valve timing mechanism | Hiroshi Abe | 1999-11-09 |
| 5746174 | Diagnostic system for pressure switch | Hiroshi Abe | 1998-05-05 |
| 5729971 | Engine catalyst temperature estimating device and catalyst diagnostic device | Hiroshi Abe | 1998-03-24 |
| 5679891 | Failure diagnostic apparatus for swirl control apparatus | Hiroshi Abe | 1997-10-21 |
| 5644073 | Diagnostic system for variable valve timing control system | Katsuhiko Kawamura | 1997-07-01 |
| 5483945 | Air/fuel ratio control system for engine | Masato Kobayashi, Youichi Kishimoto, Katsuhiko Kawamura | 1996-01-16 |
| 5440921 | Device for detecting misfire of internal combustion engine | Takashi Aramaki, Katsuhiko Kawamura, Jun Nakanowatari | 1995-08-15 |
| 5408866 | Leak diagnosis system for evaporative emission control system | Katsuhiko Kawamura, Yoichi Kishimoto | 1995-04-25 |
| 5297047 | Diagnostic arrangement for use with automotive engine systems | — | 1994-03-22 |
| 5137004 | Trouble diagnosis device for EGR system | Toshio Takahata | 1992-08-11 |