Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885505 | Electron gun assembly | Shinpei Koshigoe | 1989-12-05 |
| 4881004 | Color cathode ray tube | Masatsugu Inoue, Kiyoshi Tokita, Toshinao Sone, Kazunori Nakane | 1989-11-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885505 | Electron gun assembly | Shinpei Koshigoe | 1989-12-05 |
| 4881004 | Color cathode ray tube | Masatsugu Inoue, Kiyoshi Tokita, Toshinao Sone, Kazunori Nakane | 1989-11-14 |