Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10276339 | Electron gun, electron tube and high-frequency circuit system | Eiji Fujiwara | 2019-04-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10276339 | Electron gun, electron tube and high-frequency circuit system | Eiji Fujiwara | 2019-04-30 |