Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6221961 | Molding resin composition | Hideki Hirano, Masahide Tanaka | 2001-04-24 |
| 4388202 | Lubricating oil composition and process for preparation thereof | Riichiro Nagano | 1983-06-14 |