Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848082 | Exhaust gas purifying device for marine engine | Masanori Takahashi | 1989-07-18 |
| 4795001 | Two-cycle fuel-injection engine | Ryoji Nakahama | 1989-01-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848082 | Exhaust gas purifying device for marine engine | Masanori Takahashi | 1989-07-18 |
| 4795001 | Two-cycle fuel-injection engine | Ryoji Nakahama | 1989-01-03 |