Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7191296 | Data writing apparatus, data writing method, and program | Masahiko Shimizu | 2007-03-13 |
| 7007140 | Storage device, storage device controlling method, and program | Masahiko Shimizu | 2006-02-28 |