Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045750 | Color picture tube having a phosphor screen with a semitransparent black light absorption | Hidemi Matsuda, Kazuhiko Shimizu, Hajime Tanaka | 1991-09-03 |
| 4987338 | Cathode ray tube with film on face-plate | Hidemi Matsuda, Hajime Tanaka | 1991-01-22 |
| 4977347 | Color filter and cathode-ray tube using the color filter | Hidemi Matsuda | 1990-12-11 |
| 4937493 | Cathode ray tube with an electrical connecting element | Norio Koike, Hidemi Matsuda, Masakazu Takaki | 1990-06-26 |
| 4908232 | Method and apparatus for forming a thin film on an outer surface of a display screen of a cathode ray tube | Hidemi Matsuda, Sakae Kamitani, Norihisa Takiura | 1990-03-13 |
| 4900984 | Cathode ray tube with antistatic film on front panel | Hidemi Matsuda, Mamory Yoshizako, Osamu Yagi | 1990-02-13 |
| 4873120 | Method of manufacturing cathode-ray tube | Hidemi Matsuda, Mamoru Yoshizako, Osamu Yagi | 1989-10-10 |
| 4831307 | Cathode ray tube with light reflection film | Shigeo Takenaka, Hidemi Matsuda | 1989-05-16 |
| 4785217 | Cathode ray tube with antistatic film on front panel | Hidemi Matsuda | 1988-11-15 |
| 4772345 | Method and apparatus for manufacturing phosphor screen | Seiji Sagou | 1988-09-20 |
| 4772818 | Cathode ray tube with pigment-doped phosphor | Norio Koike, Hidemi Matsuda, Mitsuhiro Oikawa | 1988-09-20 |
| 4771214 | Electron tube provided with porous silicon oxide getter | Shigeo Takenaka, Norio Koike, Hidemi Matsuda | 1988-09-13 |
| 4732828 | Method for forming a phosphor screen of a cathode ray tube | Seiji Sagou | 1988-03-22 |
| 4692659 | Color cathode ray tube having shadow mask with silicon | Shigeo Takenaka, Norio Koike, Hidemi Matsuda | 1987-09-08 |
| 4687825 | Method of manufacturing phosphor screen of cathode ray tube | Seiji Sagou | 1987-08-18 |
| 4651054 | Color picture tube | Norio Koike, Seiji Sagow | 1987-03-17 |
| 4526854 | Photoresist composition with water soluble bisazide and diazo compound | Shingo Watanabe | 1985-07-02 |
| 4501806 | Method for forming pattern and photoresist used therein | Shingo Watanabe | 1985-02-26 |
| 4436646 | Green-emitting phosphor for cathode-ray tube | Takeshi Takahara, Takeo Sato, Masaaki Tamatani | 1984-03-13 |