Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8305166 | Electromagnetic relay | Katsuto Kojima, Kei Chiba | 2012-11-06 |
| 4980883 | Disk tray | Masae Murata | 1990-12-25 |
| 4797865 | Information recording disc player having receiving parts for receiving a plurality of disc cartridges | Tooru Imai, Hidetoshi Yamazaki, Masae Murata | 1989-01-10 |