Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6717350 | Electron tube and method of manufacturing the same | Yoshihisa Yonezawa, Yukio Ogawa, Hiroaki Kawasaki | 2004-04-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6717350 | Electron tube and method of manufacturing the same | Yoshihisa Yonezawa, Yukio Ogawa, Hiroaki Kawasaki | 2004-04-06 |