Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5526950 | Etching process, color selecting mechanism and method of manufacturing the same | Shinzo Takei, Sumito Shina | 1996-06-18 |
| 4857027 | Method of manufacturing color screen structure for a cathode ray tube | Toshio Makita | 1989-08-15 |
| 4217015 | Cathode ray tube and a ventilator used in its baking process | Shigeo Matsumoto, Hidetoshi Kato | 1980-08-12 |