Inventor · disambiguated record
Mizuhiro Sakai
Also filed as: SAKAI MIZUHIRO
3 granted patents·3 pending applications·44 citations·filing 2000–2007
67Inventor score
Top patents by PatentIndex Score
6 records- 0183US7305558B1Digital signing methodHITACHI LTD·Filed 2000·Granted Dec 4, 2007·38 cites·14 claims
- 0276US7770009B2Digital signing methodHITACHI LTD·Filed 2007·Granted Aug 3, 2010·6 cites·9 claims
- 0360US2006041492A1Financial data processing method and systemTAKAHASHI NORIO·Filed 2004·Application pending·0 cites
- 0453US7707079B2Tax declaration systemHITACHI LTD·Filed 2004·Granted Apr 27, 2010·0 cites·20 claims
- 0550US2002049670A1Electronic payment method and systemHITACHI LTD·Filed 2001·Application pending·0 cites
- 0640US2006123236A1Image data registration method and apparatus and image data verification method and apparatusITOH SHINJI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →