Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777863 | Material for aperture grill for color picture tube, process for making the same, aperture grill, and picture tube | Hironao Okayama, Tsuneyuki Ide, Hiroshi Fujishige, Akira Ikeda, Setsuo Takaki | 2004-08-17 |
| 6641682 | Method for manufacturing an aperture grill material for color picture tube | Tsuneyuki Ide, Takahiko MIYAZAKI, Susumu Shigemasa | 2003-11-04 |
| 6617776 | Color picture tube shadow mask material | Tsuneyuki Ide, Takahiko MIYAZAKI, Susumu Sigemasa, 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, Susumu Sigemasa | 2003-06-24 |
| 6306229 | Method for production of invar alloy steel sheet material for shadow mask | Tsuneyuki Ide, Hironao Okayama, Hiroaki Ikenaga, Susumu Shigemasa, Taizo Sato +1 more | 2001-10-23 |