Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5955830 | Cathode ray tube with electron beam convergence regulator | — | 1999-09-21 |
| 5757117 | Cathode ray tube with conductive silicon adhesive | Shigemi Hirasawa, Norikazu Uchiyama, Toshio Tojo, Hisashi Nose, Toshikazu Igarashi +1 more | 1998-05-26 |