Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7795193 | Base for electric insulating oil | Takaaki Kanoh, Hidenobu Koide, Kiyoshi Fujii | 2010-09-14 |
| 5342532 | Lubricating oil composition comprising alkylnaphthalene and benzothiophene | Toshio Yoshida, Yoshiaki Nagai, Koji Masamizu | 1994-08-30 |