Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10053644 | Refrigerator oil, and working fluid composition for refrigerators | Hitoshi Takahashi, Tsutomu Takahashi, Takeshi Okido, Souichirou Konno | 2018-08-21 |
| 10023823 | Refrigerator oil and working fluid composition for refrigerator | Hitoshi Takahashi, Souichirou Konno, Ken Sawada, Kentaro Yamaguchi | 2018-07-17 |
| 9944881 | Refrigerating machine oil, and working fluid composition for refrigerating machines | Masanori Saito, Kuniko Adegawa | 2018-04-17 |