Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8812800 | Storage apparatus and storage management method | — | 2014-08-19 |
| 8219770 | Storage system and data management method | — | 2012-07-10 |
| 8205054 | Hierarchical storage system | — | 2012-06-19 |
| 8145602 | Storage apparatus, data restoration method and computer system | — | 2012-03-27 |
| 8037265 | Storage system and data management method | — | 2011-10-11 |
| 8037268 | Storage system and operation method thereof | Hirokazu Aikawa, Hirokazu Ishii | 2011-10-11 |
| 7831781 | Storage system and path switching method | — | 2010-11-09 |
| 7788229 | Storage apparatus, data restoration method and computer system | — | 2010-08-31 |
| 5894469 | Disk file apparatus for automatically taking out and inserting disk cartridges | Shigeo Kawamura | 1999-04-13 |