Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4908547 | Beam index type color cathode ray tube | Takashi Toyama, Minoru Ohzeki | 1990-03-13 |
| 4616161 | Current dependent type color cathode ray tube | Hideo Kusama, Koji Kanbayashi, Osamu Takeuchi | 1986-10-07 |
| 4232332 | Color television receiver | Akira Toyama, Akio Ohkoshi, Takashi Toyama, Takashi Hosono | 1980-11-04 |
| 4223344 | Beam index color cathode ray tube | Takashi Hosono, Akio Ohkoshi, Takashi Tooyama, Akira Tooyama | 1980-09-16 |
| 4212030 | Beam index color cathode ray tube | Akira Tooyama, Akio Ohkoshi, Takashi Tooyama, Takashi Hosono | 1980-07-08 |