Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5464566 | Coating solution composition for forming glass gel thin film, color glass gel filter, and display device using the same | Takeo Ito, Kazuo Sakai | 1995-11-07 |
| 5444329 | Antireflection film and display apparatus comprising the same | Takeo Itou, Hisashi Chigusa, Michiyo Abe | 1995-08-22 |
| 5281893 | Display device with an anti-reflection film on the display plane | Takeo Itou, Kazuhiko Shimizu | 1994-01-25 |
| 5218268 | Optical filter for cathode ray tube | Takeo Itou, Kazuhiko Shimizu | 1993-06-08 |
| 5153481 | Display device with display screen and optical film on the display screen | Takeo Itou, Kazuhiko Shimizu | 1992-10-06 |
| 5148082 | Color picture tube with light absorbing layer on screen | Takeo Itou, Hajime Tanaka, Kazuhiko Shimizu | 1992-09-15 |
| 5126627 | Color cathode ray tube including a red emitting phosphor and a light filtering means | Takeo Itou, Hajime Tanaka | 1992-06-30 |
| 5045750 | Color picture tube having a phosphor screen with a semitransparent black light absorption | Takeo Itou, Kazuhiko Shimizu, Hajime Tanaka | 1991-09-03 |
| 4987338 | Cathode ray tube with film on face-plate | Takeo Itou, Hajime Tanaka | 1991-01-22 |
| 4977347 | Color filter and cathode-ray tube using the color filter | Takeo Itou | 1990-12-11 |
| 4937493 | Cathode ray tube with an electrical connecting element | Norio Koike, Takeo Itou, 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 | Takeo Itou, Sakae Kamitani, Norihisa Takiura | 1990-03-13 |
| 4900984 | Cathode ray tube with antistatic film on front panel | Takeo Itou, Mamory Yoshizako, Osamu Yagi | 1990-02-13 |
| 4873120 | Method of manufacturing cathode-ray tube | Takeo Itou, Mamoru Yoshizako, Osamu Yagi | 1989-10-10 |
| 4831307 | Cathode ray tube with light reflection film | Shigeo Takenaka, Takeo Itou | 1989-05-16 |
| 4785217 | Cathode ray tube with antistatic film on front panel | Takeo Itou | 1988-11-15 |
| 4772818 | Cathode ray tube with pigment-doped phosphor | Norio Koike, Takeo Itou, Mitsuhiro Oikawa | 1988-09-20 |
| 4771214 | Electron tube provided with porous silicon oxide getter | Shigeo Takenaka, Takeo Itou, Norio Koike | 1988-09-13 |
| 4734615 | Color cathode ray tube | Norio Koike, Kiyoshi Tokita, Kaneharu Kida | 1988-03-29 |
| 4692659 | Color cathode ray tube having shadow mask with silicon | Shigeo Takenaka, Norio Koike, Takeo Itou | 1987-09-08 |