Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676203 | Rocker arm spring for a valve actuating mechanism of an internal combustion engine | — | 1987-06-30 |
| 4539952 | Supporting mechanism for a valve system of an internal-combustion engine | Masami Konishi, Yoshio Sasaki | 1985-09-10 |