Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694829 | Piston and piston pin arrangement for reciprocating machine | Akihito Onodera | 1997-12-09 |
| 5624890 | Lubricating oil composition for use in two-stroke cycle cylinder injection engine | Mineo Kagaya | 1997-04-29 |