Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6870307 | Cooling structure of a projection tube | — | 2005-03-22 |
| 6696777 | Cooling structure of a projection tube | — | 2004-02-24 |
| 6642642 | Color cathode ray tube having curved shadow mask with arrangement of holes therein and improved mechanical strength | Mitsuru Watanabe | 2003-11-04 |
| 6486596 | Braun color cathode ray tube having shadow mask horizontal pitch novelty | Yuichi Inoue | 2002-11-26 |
| 5025490 | Cathode-ray tube with its display front protected from undesirable electrification | — | 1991-06-18 |
| 4731557 | Liquid cooling type projection picture tube | Tetsuo Asano, Misao Ikeda, Takumi Yamaguchi | 1988-03-15 |
| 4408230 | Photosensor array device | Hiromi Kanai | 1983-10-04 |