Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4933598 | Cathode-ray tube with internal insulated electrical conductors | Masayuki Sudo, Tomohisa Uba, Yasunobu Amano, Akira Nakayama, Yoshiro Ishikawa +1 more | 1990-06-12 |
| 4720748 | Cathode ray tube | Hiroji Sumiyoshi, Akira Hamanaka, Yuzuru Watanabe | 1988-01-19 |
| 4701802 | Cathode-ray tube with misalignment correcting tension band | Hiroshi Okazaki | 1987-10-20 |