Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937493 | Cathode ray tube with an electrical connecting element | Norio Koike, Takeo Itou, Hidemi Matsuda | 1990-06-26 |
| 4935663 | Electron gun assembly for color cathode ray tube apparatus | Taketoshi Shimoma, Shinpei Koshigoe, Takahiro Hasegawa | 1990-06-19 |