Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091673 | Color cathode ray tube apparatus | Taketoshi Shimoma, Shigeru Sugawara, Jiro Shimokobe | 1992-02-25 |
| 5077497 | Cathode ray tube | Shinpei Koshigoe, Taketoshi Shimona | 1991-12-31 |
| 5059858 | Color cathode ray tube apparatus | Taketoshi Shimoma, Jiro Shimokobe | 1991-10-22 |
| 4977447 | Color cathode ray tube | Shigeo Takenaka, Takashi Nishimura | 1990-12-11 |
| 4870321 | Color cathode ray tube | — | 1989-09-26 |
| 4792720 | Color cathode ray tube | Shigeo Takenaka, Takashi Nishimura | 1988-12-20 |
| 4786842 | Resistor assembly | Taketoshi Shimoma, Takahiro Hasegawa | 1988-11-22 |
| 4777407 | Color cathode ray tube device | Shigeo Takenaka, Takashi Nishimura | 1988-10-11 |
| 4760370 | Resistor and an electron tube incorporating the same | Masaru Nikaido, Yoshiaki Ouchi, Taketoshi Shimoma, Shigeru Sugawara, Hideki Yamaguchi | 1988-07-26 |
| 4714856 | Color cathode ray tube with plural electron gun assemblies | Shigeo Takenaka, Takashi Nishimura | 1987-12-22 |
| 4712038 | Color cathode ray tube with plural electron gun assemblies | Shigeo Takenaka, Takashi Nishimura | 1987-12-08 |
| 4712043 | Electron gun with large aperture auxiliary electrode | Shigeo Takenaka | 1987-12-08 |
| 4686420 | Electron gun | — | 1987-08-11 |
| 4672269 | Built-in resistor for a cathode ray tube | — | 1987-06-09 |
| 4626737 | Mask focusing color picture tube | Shigeo Takenaka, Eizaburo Hamano | 1986-12-02 |
| 4562377 | Insulated shadow mask assembly for a picture tube | Kazuyuki Seino | 1985-12-31 |
| 4540374 | Method for making CRT shadow masks | — | 1985-09-10 |
| 4503355 | Mask-focusing color picture tube | — | 1985-03-05 |
| 4482334 | Method for making CRT shadow masks | Yasuhisa Ohtake, Kazuyuki Seino | 1984-11-13 |
| 4478589 | Method of shadow mask manufacture | Shigeo Takenaka | 1984-10-23 |
| 4399388 | Picture tube with an electron gun having non-circular aperture | Eizaburo Hamano, Shinpei Koshigoe | 1983-08-16 |
| 4392914 | Method for manufacturing mask for color CRT | Shigeo Takenaka, Kazuyuki Seino | 1983-07-12 |
| 4366415 | Picture tube with an electron gun having an improved potential supplying means | Shigeo Takenaka | 1982-12-28 |