Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886997 | Color picture tube with shadow mask support assembly | Kiyoshi Tokita, Kazunori Nakane | 1989-12-12 |
| 4881004 | Color cathode ray tube | Kiyoshi Tokita, Toshinao Sone, Takeshi Fujiwara, Kazunori Nakane | 1989-11-14 |