Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6295807 | System for detecting deterioration of catalyst for purifying exhaust gas | Masaaki Nakayama, Yasuo Mukai | 2001-10-02 |
| 6073440 | System for detecting deterioration of catalyst for purifying exhaust gas | Masaaki Nakayama, Yasuo Mukai | 2000-06-13 |
| 5479897 | Control apparatus for internal combustion engine | Katsuhiko Kawai, Hiroshi Ikeda | 1996-01-02 |
| 5473888 | Air-fuel ratio control system for internal combustion engine | Masumi Kinugawa, Atsushi Suzuki | 1995-12-12 |
| 5390489 | Air-fuel ratio control system for internal combustion engine | Katsuhiko Kawai | 1995-02-21 |
| 5343701 | Air-fuel ratio control system for internal combustion engine | Masumi Kinugawa, Atsushi Suzuki | 1994-09-06 |
| 5216610 | Engine rotation speed control apparatus having auxiliary air controller | Shinichi Iwamoto | 1993-06-01 |