Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692117 | 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 | 2023-07-04 |
| 11649171 | Refrigerator including rare earth cold accumulating material particles, and superconducting magnet, inspection device and cryopump using same | Katsuhiko Yamada | 2023-05-16 |