Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5220252 | Focus voltage correction circuit for cathode ray tubes | Mitsuhisa Nakagawa, Nobuaki Nishijima | 1993-06-15 |
| 4961031 | Focus voltage regulation circuit for cathode ray tubes | Mitsuhisa Nakagawa | 1990-10-02 |