Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6323589 | Color cathode ray tube having a shadow mask of improved strength | Masatsugu Inoue, Norio Shimizu, Nobuhiko Akoh | 2001-11-27 |
| 6043595 | Shadow mask having a curved surface with compressed, strengthening dents | Shoichi Yokoyama, Fujio Takahashi | 2000-03-28 |