Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833364 | Electron gun for color picture tubes having uniquely formed lens apertures | Shoji Shirai, Hidemasa Komoro, Kazuo Majima, Akio Yamaguchi | 1989-05-23 |
| 4622491 | Electron gun for color picture tube with electrostatic focussing lens | Kazuo Majima, Hidemasa Komoro, Masakatsu Horiuchi, Mamoru Ikeda | 1986-11-11 |
| 4614894 | Electron gun for color picture tube | — | 1986-09-30 |
| 4251746 | Direct-heated cathode structure | Takao Kawamura, Hiroshi Fukushima, Takeo Takemoto, Masaru Nakazawa, Tetsuo Kumazawa | 1981-02-17 |
| 4195246 | Support structure for directly-heated cathode of cathode ray tube | Kitaro Sasaki, Yoshinobu Miyamoto | 1980-03-25 |