Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815882 | Glass bulb for a color cathode ray tube, and color cathode ray tube | Tsunehiko Sugawara | 2004-11-09 |
| 6812631 | Glass bulb for a cathode ray tube and cathode ray tube | — | 2004-11-02 |
| 6812632 | Glass funnel for a cathode ray tube and a cathode ray tube | Tsunehiko Sugawara, Kentaro Tatsukoshi | 2004-11-02 |
| 6680567 | Glass bulb for a cathode ray tube and cathode ray tube | Tsunehiko Sugawara, Naoya Shimizu | 2004-01-20 |