Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10529531 | Ion source and electron source having single-atom termination structure, tip having single-atom termination structure, gas field ion source, focused ion beam apparatus, electron source, electron microscope, mask repair apparatus, and method of manufacturing tip having single-atom termination structure | Masahiko Tomitori, Anto Yasaka, Tatsuya Shimoda | 2020-01-07 |
| 4910442 | Field emission type electron gun | Yoshio Ishizawa, Susumu Aoki | 1990-03-20 |
| 4596942 | Field emission type electron gun | Yoshio Ishizawa | 1986-06-24 |