Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263580 | Case for an optical disk | Yukiyoshi Ciba | 1993-11-23 |
| 4539669 | Front-loading record player | Tsutomu Miyakawa, Junji Yamane, Masahiro Takagi, Haruhiko Tanaka, Yuji Morita +1 more | 1985-09-03 |