Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5381658 | Diagnostic apparatus for use in an exhaust system of an internal combustion engine | — | 1995-01-17 |
| 4858136 | Method of and apparatus for controlling fuel injection quantity for internal combustion engine | Yoshiyuki Tanaka, Akira Ii, Kenji Hayashi | 1989-08-15 |