Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8869285 | File server, file server log management system and file server log management method | Etsutaro Akagawa, Yohsuke Ishii | 2014-10-21 |
| 7506375 | File server, file server log management system and file server log management method | Etsutaro Akagawa, Yohsuke Ishii | 2009-03-17 |
| 7424607 | Authentication device and computer system | — | 2008-09-09 |
| 7242499 | System for creating a virtual file server to provide data files | Etsutaro Akagawa | 2007-07-10 |