Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996955 | Intake- and/or exhaust-valve timing control system for internal combustion engines | Akio Akasaka, Seiji Suga, Kenzi Ohizumi, Masayuki Washio | 1991-03-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996955 | Intake- and/or exhaust-valve timing control system for internal combustion engines | Akio Akasaka, Seiji Suga, Kenzi Ohizumi, Masayuki Washio | 1991-03-05 |