Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6239546 | Color cathode ray-tube with electron gun having a reinforcing electrode | Yasufumi Wada, Yasuyuki Yamamoto | 2001-05-29 |
| 5128586 | Color cathode ray tube gun having control grid of varying thickness | Shigeya Ashizaki, Akira Hayashi | 1992-07-07 |
| 4831309 | Cathode ray tube apparatus | Shigeya Ashizaki, Osamu Konosu, Hiroshi Suzuki | 1989-05-16 |
| 4814670 | Cathode ray tube apparatus having focusing grids with horizontally and vertically oblong through holes | Hiroshi Suzuki, Chisato Kurusu | 1989-03-21 |
| 4728859 | In-line electron gun | Hiroshi Suzuki, Hideo Muranishi, Shigeya Ashizaki | 1988-03-01 |
| 4701677 | Color cathode ray tube apparatus | Shigeya Ashizaki, Koichi Sugahara, Hideo Muranishi | 1987-10-20 |
| 4612474 | In-line type electron gun | Shigeya Ashizaki, Koichi Sugahara, Hideo Muranishi | 1986-09-16 |
| 4542320 | Cathode ray tube | Hiroshi Suzuki, Chisato Kurusu | 1985-09-17 |
| 4473775 | Cathode-ray tube device | Kakuichiro Hosokoshi, Shigeya Ashizaki, Koichi Sugawara | 1984-09-25 |