Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11158481 | Ion milling device, ion source, and ion milling method | Kengo Asai, Hisayuki Takasu, Toru Iwaya | 2021-10-26 |
| 10971329 | Field ionization source, ion beam apparatus, and beam irradiation method | Shinichi Matsubara, Tomihiro Hashizume, Yoshimi Kawanami | 2021-04-06 |