Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827180 | Color picture tube with support members for the mask frame | Toshinao Sone, Hiroshi Urata, Michio Nakamura, Tooru Takahashi, Kiyoshi Tokita | 1989-05-02 |
| 4797865 | Information recording disc player having receiving parts for receiving a plurality of disc cartridges | Tooru Imai, Kouichi Mutou, Masae Murata | 1989-01-10 |