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, Takeshi Okido, Hiroko Shimpo, Souichirou Konno | 2018-08-21 |
| 10047315 | Refrigeration oil and working fluid composition for refrigeration oil | Hitoshi Takahashi, Souichirou Konno | 2018-08-14 |
| D812732 | Propeller fan | Tatsushi Murakami, Toshikatsu Arai, Hitoshi Kikuchi, Hiromichi Aoki, Yuuya Kousaka | 2018-03-13 |