Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10759982 | Refrigerator oil | Yohei Shono, Akira Tada, Takeshi Okido, Hidetoshi Ogata | 2020-09-01 |
| 10723926 | Refrigerating machine oil and refrigerating machine working fluid composition | Takeshi Okido, Hiroko Shimpo, Hidetoshi Ogata | 2020-07-28 |