Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834737 | Refrigerator oil composition and refrigerator | Hitoshi Takahashi, Ken Sawada, Souichirou Konno | 2017-12-05 |
| 9587196 | Working fluid composition for refrigerator and refrigeration oil | Hitoshi Takahashi, Ken Sawada, Souichirou Konno | 2017-03-07 |