Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5020497 | Method for controlling ignition timing of an engine for marine vessels | Kazuhiro Umehara | 1991-06-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5020497 | Method for controlling ignition timing of an engine for marine vessels | Kazuhiro Umehara | 1991-06-04 |