Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5547409 | Manufacturing method of picture tube | Koji Nakamura | 1996-08-20 |
| 5447460 | Cathode-ray tube display unit and method of making the same | Koji Nakamura, Suguru Fujii, Keitaro Tsukui, Junko Itoh, Kenichi Umino | 1995-09-05 |