Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664540 | Pre-combustion chamber-type engine | Hiroshi Matsuoka, Keiji Kishishita, Takahiro Tsubonuma | 1997-09-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664540 | Pre-combustion chamber-type engine | Hiroshi Matsuoka, Keiji Kishishita, Takahiro Tsubonuma | 1997-09-09 |