Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344811 | Refrigerator oil and working fluid composition for refrigerator | Fumiyuki Nara, Hidetoshi Ogata | 2025-07-01 |
| 12270007 | Refrigerator oil, and working fluid composition for refrigerator | Fumiyuki Nara, Hidetoshi Ogata | 2025-04-08 |
| 12258532 | Refrigerator oil, and working fluid composition for refrigerator | Hidetoshi Ogata, Fumiyuki Nara | 2025-03-25 |
| 12252662 | Refrigerator oil and refrigerator working fluid composition | Tatsuki Nakajima, Shogo Hashimoto, Yuya MIZUTANI, Hidetoshi Ogata | 2025-03-18 |
| 12247177 | Refrigerator oil and refrigerator working fluid composition | Tatsuki Nakajima, Shogo Hashimoto, Yuya MIZUTANI, Hidetoshi Ogata | 2025-03-11 |
| 12227712 | Refrigerating machine oil, working fluid composition for refrigerating machine, lubricating method, and method for producing refrigerating machine oil | Fumiyuki Nara | 2025-02-18 |
| 12122976 | Refrigerating machine oil | Fumiyuki Nara, Hidetoshi Ogata | 2024-10-22 |
| 12098346 | Refrigerating machine oil, working fluid composition for refrigerating machine, and method for producing refrigerating machine oil | Fumiyuki Nara, Hidetoshi Ogata | 2024-09-24 |
| 11702608 | Lubrication method | Yuji Shitara, Hidetoshi Ogata, Kazushi Kodama, Hiroshi Matsuura, Satoshi Masuyama | 2023-07-18 |
| 11680220 | Refrigeration machine oil and refrigeration machine oil production method | Tatsuki Nakajima, Shogo Hashimoto, Hidetoshi Ogata | 2023-06-20 |
| 11549077 | Refrigerator oil and hydraulic fluid composition for refrigerators | Fumiyuki Nara, Takeshi Okido, Hidetoshi Ogata | 2023-01-10 |
| 11505760 | Refrigerator oil | Akira Tada, Yuya MIZUTANI, Takeshi Okido, Hidetoshi Ogata, Tatsuki Nakajima | 2022-11-22 |
| 11499114 | Refrigerator oil and hydraulic fluid composition for refrigerators | Fumiyuki Nara, Takeshi Okido, Hidetoshi Ogata | 2022-11-15 |
| 11485926 | Refrigerant oil and method for producing refrigerant oil | Tatsuki Nakajima, Shogo Hashimoto, Yuya MIZUTANI, Hidetoshi Ogata | 2022-11-01 |
| 11453839 | Refrigerator oil | Tatsuki Nakajima, Shogo Hashimoto, Hidetoshi Ogata | 2022-09-27 |
| 11384309 | Refrigerator oil and hydraulic fluid composition for refrigerators | Fumiyuki Nara, Takeshi Okido, Hidetoshi Ogata | 2022-07-12 |
| 11377619 | Refrigerating machine oil | Fumiyuki Nara, Takeshi Okido, Hidetoshi Ogata | 2022-07-05 |
| 11365368 | Refrigerator oil and hydraulic fluid composition for refrigerators | Fumiyuki Nara, Takeshi Okido, Hidetoshi Ogata | 2022-06-21 |
| 11326118 | Lubrication method | Yuji Shitara, Hidetoshi Ogata, Kazushi Kodama, Hiroshi Matsuura, Satoshi Masuyama | 2022-05-10 |
| 11001779 | Refrigerator oil and refrigerator working fluid composition | Kentaro Yamaguchi, Yuya MIZUTANI, Takeshi Okido, Hidetoshi Ogata | 2021-05-11 |
| 10759982 | Refrigerator oil | Akira Tada, Yuya MIZUTANI, Takeshi Okido, Hidetoshi Ogata | 2020-09-01 |
| 10513666 | Refrigerator oil and working fluid composition for refrigerators | Hitoshi Takahashi, Souichirou Konno, Kentaro Yamaguchi | 2019-12-24 |