Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978886 | Electron gun for use in color cathode ray tube having a plurality of grid electrodes | Satoru Miyamoto, Yoshiaki Takahashi, Katsuyuki Shirai, Satoru Endo | 1990-12-18 |