RI

Ryusuke Ito

HI Hitachi: 23 patents #1,433 of 28,497Top 6%
Canon: 3 patents #11,241 of 19,416Top 60%
IBM: 2 patents #32,839 of 70,183Top 50%
Overall (All Time): #136,287 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
7003634 System and method for creating logical pairs of storage devices in a multiprocessor environment Takahiko Takeda, Keiichi Kaiya 2006-02-21
6947938 Security method and system for storage subsystem Yoshinori Okami 2005-09-20
6684209 Security method and system for storage subsystem Yoshinori Okami 2004-01-27