Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344811 | Refrigerator oil and working fluid composition for refrigerator | Yohei Shono, Hidetoshi Ogata | 2025-07-01 |
| 12297402 | Base oil for refrigerator oil, refrigerator oil, and working fluid composition for refrigerator | Tomohiro TAKAKI, Yuya MIZUTANI, Makoto Ando, Hidetoshi Ogata | 2025-05-13 |
| 12270007 | Refrigerator oil, and working fluid composition for refrigerator | Yohei Shono, Hidetoshi Ogata | 2025-04-08 |
| 12258532 | Refrigerator oil, and working fluid composition for refrigerator | Hidetoshi Ogata, Yohei Shono | 2025-03-25 |
| 12227712 | Refrigerating machine oil, working fluid composition for refrigerating machine, lubricating method, and method for producing refrigerating machine oil | Yohei Shono | 2025-02-18 |
| 12122976 | Refrigerating machine oil | Yohei Shono, Hidetoshi Ogata | 2024-10-22 |
| 12098346 | Refrigerating machine oil, working fluid composition for refrigerating machine, and method for producing refrigerating machine oil | Yohei Shono, Hidetoshi Ogata | 2024-09-24 |
| 11549077 | Refrigerator oil and hydraulic fluid composition for refrigerators | Yohei Shono, Takeshi Okido, Hidetoshi Ogata | 2023-01-10 |
| 11499114 | Refrigerator oil and hydraulic fluid composition for refrigerators | Yohei Shono, Takeshi Okido, Hidetoshi Ogata | 2022-11-15 |
| 11384309 | Refrigerator oil and hydraulic fluid composition for refrigerators | Yohei Shono, Takeshi Okido, Hidetoshi Ogata | 2022-07-12 |
| 11377619 | Refrigerating machine oil | Yohei Shono, Takeshi Okido, Hidetoshi Ogata | 2022-07-05 |
| 11365368 | Refrigerator oil and hydraulic fluid composition for refrigerators | Yohei Shono, Takeshi Okido, Hidetoshi Ogata | 2022-06-21 |
| 10836975 | Refrigerator oil | Hitoshi Takahashi, Kentaro Yamaguchi, Souichirou Konno | 2020-11-17 |
| 9562182 | Refrigerator working fluid composition and refrigerant oil | Masanori Saito, Tomonari Matsumoto, Kuniko Adegawa | 2017-02-07 |
| 9296976 | Lubricating oil composition | Tomonari Matsumoto, Takeshi Okido, Katsuya Takigawa | 2016-03-29 |
| 9243177 | Working fluid composition for refrigerator, refrigeration oil, and method for producing same | Masanori Saito, Tomonari Matsumoto, Kuniko Adegawa | 2016-01-26 |