Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8523421 | Liquid crystal display device | Masahiko Kurihara, Yasuhisa Shiraishi | 2013-09-03 |
| 6657372 | Color cathode ray tube | Shoji Shirai, Kenichi Watanabe | 2003-12-02 |
| 6313576 | Color cathode ray tube | Shoji Shirai, Kenichi Watanabe | 2001-11-06 |
| 6051919 | Color cathode ray tube with electrostatic quadrupole lens | Shoji Shirai, Kenichi Watanabe | 2000-04-18 |
| 5739630 | Color cathode ray tube | Shoji Shirai, Kenichi Watanabe | 1998-04-14 |
| 5015910 | Electron gun for color picture tube | Yoshiaki Takahashi, Sakae Ishii, Shoji Shirai | 1991-05-14 |
| 4851741 | Electron gun for color picture tube | Shoji Shirai, Yoshiaki Takahashi, Masaaki Yamauchi, Kazunari Noguchi, Sakae Ishii | 1989-07-25 |