Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342532 | Lubricating oil composition comprising alkylnaphthalene and benzothiophene | Mitsuhiko Takei, Toshio Yoshida, Yoshiaki Nagai | 1994-08-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342532 | Lubricating oil composition comprising alkylnaphthalene and benzothiophene | Mitsuhiko Takei, Toshio Yoshida, Yoshiaki Nagai | 1994-08-30 |