Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417610 | Color cathode ray tube having improved main lens | Akihito Sudo, Mitsuhiro Sugiyama | 2002-07-09 |
| 6081068 | Color cathode ray tube having improved main lens electrodes | Akihito Sudo, Mitsuhiro Sugiyama | 2000-06-27 |
| 5886462 | Color cathode ray tube having correction plate electrodes mounted in steps | Akihito Sudo, Mitsuhiro Sugiyama | 1999-03-23 |