Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10535487 | Manufacturing method of electron tube | Tsuyoshi Kodama, Yasuyuki Kohno, Shinichi Hara | 2020-01-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10535487 | Manufacturing method of electron tube | Tsuyoshi Kodama, Yasuyuki Kohno, Shinichi Hara | 2020-01-14 |