Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11158481 | Ion milling device, ion source, and ion milling method | Kengo Asai, Hiroyasu Shichi, Toru Iwaya | 2021-10-26 |
| 11133153 | Ion milling device | Toru Iwaya, Hirobumi Muto, Atsushi Kamino, Asako Kaneko | 2021-09-28 |
| 11004652 | Ion milling device | Asako Kaneko | 2021-05-11 |