Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5028898 | Color cathode-ray tube having deflection yoke | Michio Tsukii, Kunio Shimada, Eiichi Nishiyama, Takumi Karasawa, Hiroshi Yoshioka +1 more | 1991-07-02 |
| 4924140 | Color picture tube of shadow mask type with particular faceplate panel structure | Ryoji Hirai, Eiichi Yamazaki | 1990-05-08 |