Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6063741 | Engine oil composition | Kenyu Akiyama | 2000-05-16 |
| 5916851 | Lubricating oil for internal combustion engine comprising oxymolybdenum dithiocarbamate sulfide | Kunihiko Hosonuma, Toru Imori, Kouichi Nakamura | 1999-06-29 |