Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6544356 | Steel sheet for use as an electrode-supporting frame member of a color picture tube and manufacturing method thereof | Yukio Katagiri, Akito Kawamoto, Seiichi Hamanaka, Nobuo Ozawa | 2003-04-08 |
| 5111107 | Grid apparatus for a color cathode ray tube which eliminates vibration of the grids | Hisao Kume, Shuichi Kuwajima | 1992-05-05 |
| 4780641 | Color selective electrode of cathode ray tube | Atsushi Hashiba | 1988-10-25 |
| 4495437 | Grid apparatus for use with a color cathode ray tube | Hisao Kume | 1985-01-22 |