Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7574743 | Method for ensuring security, data storage apparatus, security ensuring server, and storage medium storing program for the same | Takashi Hayakawa, Kazunori Kumakura, Toshio Morikawa | 2009-08-11 |