Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379581 | Lubricated refrigerant composition containing fluorocarbon-type refrigerant, synthetic oil and molybdenumoxysulfide derivatives | Tamiji Kamakura, Noriyoshi Tanaka, Kimiyoshi Namiwa, Yukio Tatsumi | 2002-04-30 |
| 6335311 | Lubricant for refrigerators using ammonia refrigerant | Goro Yamamoto, Takashi Kaimai, Hitoshi Takahashi | 2002-01-01 |