Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D271688 | Pre-recorded cartridge video/audio disk | Osamu Tajima, Takashi Yamamura, Masafumi Mochizuki | 1983-12-06 |
| D267714 | Pre-recorded cartridge video/audio disk | Osamu Tajima, Takashi Yamamura, Masafumi Mochizuki | 1983-01-25 |
| 4360845 | Case for a disc-shaped recording medium | Osamu Tajima, Takashi Yamamura, Masafumi Mochizuki | 1982-11-23 |
| 4352174 | Disc-shaped recording medium reproducing apparatus | Osamu Tajima, Takashi Yamamura, Masafumi Mochizuki | 1982-09-28 |