Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11994325 | Control device, refrigerator, control method, and abnormality detection method | Akimasa Yokoyama, Takahiro Kono, Yasushi Hasegawa | 2024-05-28 |
| 11441821 | Heat pump and method for designing the same | Kenji Ueda, Yasushi Hasegawa, Kazuki WAJIMA, Yoshinori Akamatsu, Fuyuhiko Sakyu +1 more | 2022-09-13 |
| 11428239 | Compressor suction pipe, compression unit, and chiller | Jun Koga | 2022-08-30 |
| 11346589 | Refrigeration machine control device, turbo refrigeration machine, refrigeration machine control method, and program | Yoshie Togano, Yasushi Hasegawa | 2022-05-31 |
| 10724773 | Turbo freezing machine and start-up control method therefor | Yasushi Hasegawa | 2020-07-28 |
| 10443899 | Refrigerant circulation device, refrigerant circulation method, refrigerant filling method, and method for operating refrigerant circulation device | Noriyuki MATSUKURA, Kenji Ueda, Naoki Kobayashi, Norihisa HORAGUCHI, Satoru Okamoto +1 more | 2019-10-15 |