Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5757115 | Cathode member and electron tube having the cathode member mounted thereon | Maki Narita, Toshikazu Sugimura, Tsuyoshi Tanabe | 1998-05-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5757115 | Cathode member and electron tube having the cathode member mounted thereon | Maki Narita, Toshikazu Sugimura, Tsuyoshi Tanabe | 1998-05-26 |