Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758364 | Automatic transmission oil compositions | Haruo Seki | 1988-07-19 |
| 4299714 | Hydrocarbon based central system fluid composition | Mineo Kagaya, Hiroyuki Aoki, Takeitiro Takehara | 1981-11-10 |