Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784607 | Color cathode ray tube | Koji Shimada | 2004-08-31 |
| 6774554 | Cathode ray tube | Toshikuni Kojima, Masanori Morii | 2004-08-10 |
| 6727640 | Glass bulb for a cathode-ray tube and a cathode-ray tube device | Hiroshi Sakurai, Masaya Kyono, Koji Kuwahara | 2004-04-27 |