Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136244 | Rare earth cold accumulating material particles, and refrigerator, superconducting magnet, inspection device and cryopump using same | Katsuhiko Yamada | 2021-10-05 |
| 11059725 | Rare earth cold accumulating material particles, and refrigerator, superconducting magnet, inspection device and cryopump using same | Katsuhiko Yamada | 2021-07-13 |
| 11015101 | Rare earth regenerator material particle, rare earth regenerator material particle group, and cold head, superconducting magnet, examination apparatus, and cryopump using the same | Katsuhiko Yamada | 2021-05-25 |
| 10907081 | Rare-earth regenerator material particles, and group of rare-earth regenerator material particles, refrigerator and measuring apparatus using the same, and method for manufacturing the same | Katsuhiko Yamada | 2021-02-02 |