Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5560854 | Working fluid composition for HFC refrigerant compressor containing benzotriazole derivatives, and a process for improving lubrication in a compressor | Takashi Kaimai, Sumio Yokoo | 1996-10-01 |
| 5543068 | Lubricating oils for flon compressors, compositions adapted for flon compressors and composed of mixtures of said lubricating oils and flon, and process for lubricating flon compressor by using said lubricating oils | Takashi Kaimai, Sumio Yokoo, Yoshie Arakawa | 1996-08-06 |