Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214626 | Information recording/reproducing apparatus for writing on and reading from a rewritable optical disk have tracks divided into a plurality of sectors | Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani, Hiroshi Hamasaka | 1993-05-25 |