Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677591 | Color picture tube with reduced dynamic focus voltage | Tsutomu Toujou, Shinichi Kato | 1997-10-14 |
| 5621286 | Color cathode ray tube having improved focus | Tsutomu Toujou, Shinichi Kato | 1997-04-15 |