Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9412551 | Cathode obtaining method and electron beam writing apparatus | Kenichi Saito | 2016-08-09 |
| 9299525 | Thermionic cathode with even electric field distribution on electron emitting surface | — | 2016-03-29 |
| 9251990 | Method for producing a thermoelectron emission source and method for producing a cathode | — | 2016-02-02 |