Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6305361 | Evaporative system and method of diagnosing same | Toshio Ishii, Kazuya Kawano, Nobuo Kurihara, Hiroshi Kimura, Kiyoshi Miura | 2001-10-23 |
| 6286494 | Air-fuel ratio controller for engine | Toshio Ishii | 2001-09-11 |
| 6105556 | Evaporative system and method of diagnosing same | Toshio Ishii, Kazuya Kawano, Nobuo Kurihara, Hiroshi Kimura, Kiyoshi Miura | 2000-08-22 |
| 6092368 | Function diagnostic system for an exhaust gas purifying apparatus in an internal combustion engine | Toshio Ishii, Toshio Manaka, Kiyoshi Miura | 2000-07-25 |
| 6089016 | Diagnostic equipment for an exhaust gas cleaning apparatus | — | 2000-07-18 |
| 6089080 | Diagnosis apparatus for evaporation system | Toshio Ishii, Kazuya Kawano | 2000-07-18 |
| 6085132 | Control method and apparatus for diagnosing vehicles | Toshio Ishii, Takashi Mukaihira, Kazuya Kawano, Kiyoshi Miura | 2000-07-04 |
| 6061624 | Multi-cylinder engine combustion state diagnosis apparatus and method | Yuichi Kashimura, Toshio Ishii | 2000-05-09 |
| 6050087 | Method and apparatus for diagnosing engine exhaust gas purification system | Nobuo Kurihara, Hiroshi Kimura, Toshio Ishii | 2000-04-18 |
| 6003309 | Diagnostic apparatus for exhaust gas clarification apparatus for internal combustion engine | Rogelio B. Agustin, Akihito Numata, Eisaku Fukuchi, Toshio Ishii | 1999-12-21 |
| 5964811 | Control method and apparatus for diagnosing vehicles | Toshio Ishii, Takashi Mukaihira, Kazuya Kawano, Kiyoshi Miura | 1999-10-12 |
| 5945828 | Engine combustion condition detecting apparatus equipped with malfunction diagnosing apparatus | Kozo Katogi, Toshio Ishii | 1999-08-31 |
| 5921078 | Diagnostic equipment for an exhaust gas cleaning apparatus | Toshio Ishii | 1999-07-13 |
| 5802843 | Method and apparatus for diagnosing engine exhaust gas purification system | Nobuo Kurihara, Hiroshi Kimura, Toshio Ishii | 1998-09-08 |
| 5765540 | Method of diagnosing an evaporative system | Toshio Ishii, Kazuya Kawano | 1998-06-16 |
| 5758491 | Diagnosing system and method of catalytic converter for controlling exhaust gas of internal combustion engine | Rogelio B. Agustin, Akihito Numata, Kazuya Kawano, Toshio Ishii | 1998-06-02 |
| 5743085 | Diagnostic equipment for an exhaust gas cleaning apparatus | Toshio Ihshii | 1998-04-28 |
| 5740676 | Diagnostic apparatus for exhaust gas clarification apparatus for internal combustion engine | Rogelio B. Agustin, Akihito Numata, Eisaku Fukuchi, Toshio Ishii | 1998-04-21 |
| 5617722 | Exhaust control device of internal combustion engine | — | 1997-04-08 |
| 5575265 | Diagnostic method for evaporated fuel gas purging system | Nobuo Kurihara, Hiroshi Kimura, Toshio Ishii | 1996-11-19 |
| 5557933 | Malfunction diagnosis apparatus for internal combustion engine | Akihito Numata, Takashi Mukaihira, Toshio Ishii, Kazuya Kawano | 1996-09-24 |
| 5485374 | Combustion-conditon diagnostic system and method for a multicylinder engine | Toshio Ishii | 1996-01-16 |
| 5400592 | Diagnostic apparatus for catalytic converter of an internal combustion engine | Takashi Mukaihira, Toshio Ishii, Akihito Numata | 1995-03-28 |
| 5341642 | System for diagnosing engine exhaust gas purifying device and system for diagnosing sensor | Nobuo Kurihara, Toshio Ishii, Takashi Mukaihira, Kazuya Kawano | 1994-08-30 |
| 5314111 | Packaging box and sheet for packaging box | Toshihiro Suzuki, Jiro Wake, Kanji Motegi, Masakatu Yanazawa | 1994-05-24 |