Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6130502 | Cathode assembly, electron gun assembly, electron tube, heater, and method of manufacturing cathode assembly and electron gun assembly | Kazuo Kobayashi, Takashi Sudo, Toshiharu Higuchi, Hideharu Takahashi, Sakae Kimura +1 more | 2000-10-10 |
| 5202603 | In-line electron gun for a colored cathode ray | Shigeru Sugawara | 1993-04-13 |
| 5077497 | Cathode ray tube | Eiji Kamohara, Taketoshi Shimona | 1991-12-31 |
| 5034652 | Electron gun for color-picture tube | Taketoshi Shimona, Ryuichi Murai | 1991-07-23 |
| 4945284 | Electron gun for color-picture tube device | Taketoshi Shimoma, Takahiro Hasegawa | 1990-07-31 |
| 4935663 | Electron gun assembly for color cathode ray tube apparatus | Taketoshi Shimoma, Takahiro Hasegawa, Masakazu Takaki | 1990-06-19 |
| 4897575 | Electron gun structure for a color picture tube apparatus | Taketoshi Shimoma, Takahiro Hasegawa | 1990-01-30 |
| 4885505 | Electron gun assembly | Takeshi Fujiwara | 1989-12-05 |
| 4728858 | Color cathode ray tube apparatus | Takeshi Fujiwara | 1988-03-01 |
| 4641058 | Electron gun | Takeshi Fujiwara | 1987-02-03 |
| 4399388 | Picture tube with an electron gun having non-circular aperture | Eizaburo Hamano, Eiji Kamohara | 1983-08-16 |
| 4368405 | Electron gun for a cathode ray tube | Shigeo Takenaka, Eizaburo Hamano | 1983-01-11 |
| 4334169 | Electron gun structure | Shigeo Takenaka, Eizaburou Hamano | 1982-06-08 |
| 4207491 | Electron gun assembly | — | 1980-06-10 |