Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372703 | Lubricating oils | Kouzou Kamiya, Isao Honjo, Toshio Yoshida, Masaru Ushio, Jinichi Igarashi +4 more | 1994-12-13 |
| 5281347 | Lubricating composition for internal combustion engine | Jinichi Igarashi | 1994-01-25 |