Issued Patents 2021
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149993 | Cryocooler with heat transfer blocks having fins | Qian Bao | 2021-10-19 |
| 11137216 | Regenerator material and regenerative refrigerator | Tian Lei, Akihiro Tsuchiya | 2021-10-05 |
| 11118818 | Pulse tube cryocooler | Takashi Hirayama | 2021-09-14 |
| 11098931 | Pulse tube refrigerating machine | Hirokazu Takayama | 2021-08-24 |
| 11073308 | Cryocooler and cryocooler operation method | A. T. A. M de Waele, Qian Bao | 2021-07-27 |
| 11022353 | Pulse tube cryocooler and rotary valve unit for pulse tube cryocooler | Qian Bao, Takaaki Morie | 2021-06-01 |
| D918354 | Potty seat | — | 2021-05-04 |
| D918353 | Portable potty | — | 2021-05-04 |
| 10976080 | Pulse tube cryocooler and method of manufacturing pulse tube cryocooler | Takashi Hirayama | 2021-04-13 |
| D914377 | Bath chair | — | 2021-03-30 |