Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344809 | Working fluid, freezer, and freezer oil | Kentaro Yamaguchi, Motoya Okazaki, Hidetoshi Ogata | 2025-07-01 |
| 12297402 | Base oil for refrigerator oil, refrigerator oil, and working fluid composition for refrigerator | Fumiyuki Nara, Tomohiro TAKAKI, Makoto Ando, Hidetoshi Ogata | 2025-05-13 |
| 12252662 | Refrigerator oil and refrigerator working fluid composition | Yohei Shono, Tatsuki Nakajima, Shogo Hashimoto, Hidetoshi Ogata | 2025-03-18 |
| 12247177 | Refrigerator oil and refrigerator working fluid composition | Yohei Shono, Tatsuki Nakajima, Shogo Hashimoto, Hidetoshi Ogata | 2025-03-11 |
| 12091629 | Refrigerator oil, and working fluid composition for refrigerator | Satoshi Nagai, Tatsuki Nakajima, Hidetoshi Ogata | 2024-09-17 |
| 12091606 | Working fluid composition for refrigerator, refrigerator oil and refrigerator | Satoshi Nagai, Tatsuki Nakajima, Hidetoshi Ogata | 2024-09-17 |
| 11993742 | Working fluid composition for refrigerator, and refrigerator oil | Satoshi Nagai, Tatsuki Nakajima, Hidetoshi Ogata | 2024-05-28 |
| 11505760 | Refrigerator oil | Yohei Shono, Akira Tada, Takeshi Okido, Hidetoshi Ogata, Tatsuki Nakajima | 2022-11-22 |
| 11485926 | Refrigerant oil and method for producing refrigerant oil | Yohei Shono, Tatsuki Nakajima, Shogo Hashimoto, Hidetoshi Ogata | 2022-11-01 |
| 11384271 | Refrigerator, refrigerator oil, working fluid composition for refrigerator | Kentaro Yamaguchi, Satoshi Nagai, Hidetoshi Ogata | 2022-07-12 |
| 11001779 | Refrigerator oil and refrigerator working fluid composition | Yohei Shono, Kentaro Yamaguchi, Takeshi Okido, Hidetoshi Ogata | 2021-05-11 |
| 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 |