Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617776 | Color picture tube shadow mask material | Tsuneyuki Ide, Takahiko MIYAZAKI, Yasuo Tahara, Hironao Okayama | 2003-09-09 |
| 6583545 | Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube | Tsuneyuki Ide, Hironao Okayama, Yasuo Tahara | 2003-06-24 |