Inventor · disambiguated record
Nariyasu Hamada
Also filed as: HAMADA NARIYASU
4 granted patents·243 citations·filing 1997–2007
81Inventor score
Top patents by PatentIndex Score
4 records- 0185US6520409B1Electronic transaction method and systemHITACHI LTD·Filed 2000·Granted Feb 18, 2003·30 cites·12 claims
- 0275US5880446AElectronic transaction method and systemHITACHI LTD·Filed 1997·Granted Mar 9, 1999·187 cites·18 claims
- 0369US8079061B2Authentication system managing methodTANIGUCHI KAZUHIKO·Filed 2007·Granted Dec 13, 2011·7 cites·9 claims
- 0438US6073839AElectronic transaction method and systemHITACHI LTD·Filed 1999·Granted Jun 13, 2000·19 cites·23 claims
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