Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7639277 | Method for evaluating color picture tubes and device for the same and method for making color picture tubes | Hisae Shibuya, Tatsuo Horiuchi, Yoshinao Nozaki | 2009-12-29 |
| 5701061 | Cathode-ray tube apparatus and yoke | Nobutaka Okuyama, Soichi Sakurai, Kouji Kitou, Hiroki Oguro, Isao Yoshimi +5 more | 1997-12-23 |
| 5475287 | Cathode-ray tube apparatus and yoke | Nobutaka Okuyama, Soichi Sakurai, Kouji Kitou, Hiroki Oguro, Isao Yoshimi +5 more | 1995-12-12 |
| 5317239 | Deflection yoke for cathode ray tube | Hiroki Ohguro, Minoru Furuya, Nobutaka Okuyama, Soichi Sakurai, Michitaka Ohsawa | 1994-05-31 |