Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594301 | Electron tube including aluminum seal ring | Toshihiko Sawai, Masayuki Inuzuka | 1997-01-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594301 | Electron tube including aluminum seal ring | Toshihiko Sawai, Masayuki Inuzuka | 1997-01-14 |