Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5489355 | Method for producing glittering decorative boards | Hajime Kubota, Satoshi Nishida | 1996-02-06 |
| 5281893 | Display device with an anti-reflection film on the display plane | Hidemi Matsuda, Takeo Itou | 1994-01-25 |
| 5218268 | Optical filter for cathode ray tube | Hidemi Matsuda, Takeo Itou | 1993-06-08 |
| 5153481 | Display device with display screen and optical film on the display screen | Hidemi Matsuda, Takeo Itou | 1992-10-06 |
| 5148082 | Color picture tube with light absorbing layer on screen | Takeo Itou, Hidemi Matsuda, Hajime Tanaka | 1992-09-15 |
| 5045750 | Color picture tube having a phosphor screen with a semitransparent black light absorption | Takeo Itou, Hidemi Matsuda, Hajime Tanaka | 1991-09-03 |
| 4973495 | Method of forming color tube phosphor screen | Norio Koike, Ryoichi Ogura | 1990-11-27 |