Assignee
TAMAI SHIGETOMO
JP3 patents
Top patents by PatentIndex Score
US8875264B2Oct 28, 2014
System, method and program for off-line two-factor user authentication
TAMAI SHIGETOMO13 citations80
US8752147B2Jun 10, 2014
System and method for two-factor user authentication
TAMAI SHIGETOMO11 citations80
US8209746B2Jun 26, 2012
Content presentation-type authentication system
TAMAI SHIGETOMO5 citations53