Inventor · disambiguated record
Shigetomo Tamai
Also filed as: TAMAI SHIGETOMO
6 granted patents·1 pending application·112 citations·filing 2006–2023
84Inventor score
Files withTAMAI SHIGETOMO3SYSTEMS ENGINEERING CO LTD COMP2GIGA SYSTEM INC1SYSTEMS ENGINEERING CO LTD COM1
Top patents by PatentIndex Score
7 records- 0188US7409705B2System and method for user authenticationSYSTEMS ENGINEERING CO LTD COM·Filed 2006·Granted Aug 5, 2008·47 cites·10 claims
- 0285US7984491B2System, method and program for off-line user authenticationSYSTEMS ENGINEERING CO LTD COMP·Filed 2009·Granted Jul 19, 2011·21 cites·12 claims
- 0384US8875264B2System, method and program for off-line two-factor user authenticationTAMAI SHIGETOMO·Filed 2010·Granted Oct 28, 2014·13 cites·13 claims
- 0482US8752147B2System and method for two-factor user authenticationTAMAI SHIGETOMO·Filed 2010·Granted Jun 10, 2014·11 cites·9 claims
- 0582US7945948B2System, method and program for off-line user authenticationSYSTEMS ENGINEERING CO LTD COMP·Filed 2006·Granted May 17, 2011·15 cites·14 claims
- 0668US8209746B2Content presentation-type authentication systemTAMAI SHIGETOMO·Filed 2010·Granted Jun 26, 2012·5 cites·11 claims
- 0747US2025112792A1Authentication system, authentication module, and authentication programGIGA SYSTEM INC·Filed 2023·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →