Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6400667 | Recording/reproduction method and apparatus in which sub data is written/read in periods during which writing/reading of main data is not performed | Yoshimasa Utsumi, Hideki Nagashima, Tsutomu Harada | 2002-06-04 |
| 6343054 | Recording/reproducing device with memory controller which creates sector data storing area and additive data storing area | — | 2002-01-29 |