Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349929 | Valve controller for controlling the suction valve of an internal-combustion engine | Kiyoshi Shimizu | 1994-09-27 |
| 5282443 | Valve operating system in internal combustion engine | Yasuhiro Urata, Hiroshi Sono, Kouichi Fukuo | 1994-02-01 |