Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873946 | Two-cycle internal combustion engine | Isao Masuda, Fujio Kobayashi | 1989-10-17 |
| 4817923 | Vibration damper | Yoshikiyo Kamata | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873946 | Two-cycle internal combustion engine | Isao Masuda, Fujio Kobayashi | 1989-10-17 |
| 4817923 | Vibration damper | Yoshikiyo Kamata | 1989-04-04 |