Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797406 | Composite gradient alloy plate, manufacturing method thereof and color cathode ray tube having shadow mask using the composite gradient alloy plate | Noriharu Matsudate | 2004-09-28 |
| 6690106 | Color cathode ray tube | Haruhiko Yoshida, Mitsuru Watanabe, Hiroshi Itou | 2004-02-10 |