Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4646702 | Air pollution preventing device for internal combustion engine | Toshio Matsubara, Kazuyuki Okazaki | 1987-03-03 |
| 4512313 | Engine control system having exhaust gas sensor | Tsuyoshi Tsuchida, Yoshinobu Kido, Yuzuru Tanaka | 1985-04-23 |
| 4488529 | Automobile air/fuel control system | Toshiaki Nishida, Kazuyuki Okazaki, Tatsuji Ikeda | 1984-12-18 |