Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881004 | Color cathode ray tube | Masatsugu Inoue, Kiyoshi Tokita, Takeshi Fujiwara, Kazunori Nakane | 1989-11-14 |
| 4866333 | Color picture tube with shadow mask supporting assembly | Kiyoshi Tokita, Hiroshi Urata, Michio Nakamura | 1989-09-12 |
| 4827180 | Color picture tube with support members for the mask frame | Hiroshi Urata, Michio Nakamura, Tooru Takahashi, Hidetoshi Yamazaki, Kiyoshi Tokita | 1989-05-02 |