Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7836157 | File sharing system and file sharing system setting method | — | 2010-11-16 |
| 7716438 | Storage system and back-up method for storage system | Takuma Ushijima, Masato Kumagai, Eiichi Sato | 2010-05-11 |
| 7272693 | Storage system and back-up method for storage system | Takuma Ushijima, Masato Kumagai, Eiichi Sato | 2007-09-18 |