Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620950 | Lubricated refrigerant composition containing alicyclic epoxy compounds | Noriyoshi Tanaka, Kimiyoshi Namiwa, Yukio Tatsumi, Masato Namiki | 1997-04-15 |
| 5612297 | Powdery molybdenum oxysulfide dithiocarbamate composition, a process for producing same, and a grease composition containing the composition | Noriyoshi Tanaka, Aritoshi Fukushima, Yukio Tatsumi, Kazuhisa Morita | 1997-03-18 |