Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6774554 | Cathode ray tube | Toshikuni Kojima, Hiromi Wakasono | 2004-08-10 |
| 6213836 | Cathode ray tube and method for manufacturing the same | Keiji Nagata, Toshio Ishii, Tadashi Muramoto | 2001-04-10 |
| 5986393 | Cathode ray tube and method of manufacturing the same | Keiji Nagata, Toshio Ishii, Tadashi Muramoto | 1999-11-16 |