Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501214 | Color cathode ray tube | Hideharu Sakamoto, Koji Hagiwara | 2002-12-31 |
| 6465947 | Color picture tube | Toshio Tojo, Masahiro Nishizawa, Norikazu Uchiyama, Maki Taniguchi | 2002-10-15 |
| 6437497 | Color cathode ray tube having an improved shadow mask | Hiroshi Ito, Masahiro Ito, Koji Hagiwara | 2002-08-20 |
| 6342759 | Color cathode ray tube having an improved phosphor screen | — | 2002-01-29 |