Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771214 | Electron tube provided with porous silicon oxide getter | Takeo Itou, Norio Koike, Hidemi Matsuda | 1988-09-13 |
| 4771337 | Image recording apparatus | Yutaka Endo | 1988-09-13 |
| 4714856 | Color cathode ray tube with plural electron gun assemblies | Eiji Kamohara, Takashi Nishimura | 1987-12-22 |
| 4712038 | Color cathode ray tube with plural electron gun assemblies | Eiji Kamohara, Takashi Nishimura | 1987-12-08 |
| 4712043 | Electron gun with large aperture auxiliary electrode | Eiji Kamohara | 1987-12-08 |
| 4692659 | Color cathode ray tube having shadow mask with silicon | Norio Koike, Takeo Itou, Hidemi Matsuda | 1987-09-08 |
| 4626737 | Mask focusing color picture tube | Eizaburo Hamano, Eiji Kamohara | 1986-12-02 |
| 4537322 | Glass envelope for a cathode-ray tube | Hisafumi Okada, Yoshio Suzuki | 1985-08-27 |
| 4478589 | Method of shadow mask manufacture | Eiji Kamohara | 1984-10-23 |
| 4392914 | Method for manufacturing mask for color CRT | Eiji Kamohara, Kazuyuki Seino | 1983-07-12 |
| 4368405 | Electron gun for a cathode ray tube | Eizaburo Hamano, Shinpei Koshigoe | 1983-01-11 |
| 4366415 | Picture tube with an electron gun having an improved potential supplying means | Eiji Kamohara | 1982-12-28 |
| 4341980 | Flat display device | Mikio Noguchi, Kazuho Kobayashi, Masaru Shimbo | 1982-07-27 |
| 4334169 | Electron gun structure | Eizaburou Hamano, Shinpei Koshigoe | 1982-06-08 |
| 4331903 | Color picture tube and method for magnetically adjusting the color picture tube | Hisafumi Okada | 1982-05-25 |
| 4322655 | Beam index color cathode ray tube | Eizaburo Hamano | 1982-03-30 |
| 4218634 | Electron gun | — | 1980-08-19 |
| 4197487 | Beam-index tube apparatus having deflection field correcting elements | Eizaburo Hamano, Tetsuo Komatsu | 1980-04-08 |