Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696065 | Engine oil composition | Noriyoshi Tanaka, Aritoshi Fukushima, Yukio Tatsumi, Yoko Saito | 1997-12-09 |
| 5631213 | Process for producing molybdenum oxysulfide dithiocarbamate | Noriyoshi Tanaka, Aritoshi Fukushima, Yukio Tatsumi, Yoko Saito | 1997-05-20 |
| 5612297 | Powdery molybdenum oxysulfide dithiocarbamate composition, a process for producing same, and a grease composition containing the composition | Tamiji Kamakura, Noriyoshi Tanaka, Aritoshi Fukushima, Yukio Tatsumi | 1997-03-18 |