Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4562813 | Knock control system | Seiji Suda, Noboru Sugiura, Takashi Yoshinari, Hitoshi Minorikawa, Kazutoshi Kobayashi +1 more | 1986-01-07 |
| 4558674 | Knock control apparatus equipped with altitude compensation function | Noboru Sugiura | 1985-12-17 |
| 4495918 | Ignition timing retard angle control apparatus for internal combustion engine | Noboru Sugiura | 1985-01-29 |