Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641682 | Method for manufacturing an aperture grill material for color picture tube | Tsuneyuki Ide, Susumu Shigemasa, Yasuo Tahara | 2003-11-04 |
| 6617776 | Color picture tube shadow mask material | Tsuneyuki Ide, Susumu Sigemasa, Yasuo Tahara, Hironao Okayama | 2003-09-09 |