Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7373393 | File system | Koji Sonoda, Masaaki Iwasaki | 2008-05-13 |
| 7120768 | Snapshot acquisition method, storage system and disk apparatus | Yoichi Mizuno, Naoto Matsunami, Koji Sonoda, Manabu Kitamura | 2006-10-10 |