Inventor · disambiguated record
Mitsuru Iwamura
Also filed as: IWAMURA MITSURU
6 granted patents·7 pending applications·203 citations·filing 2000–2009
86Inventor score
Top patents by PatentIndex Score
13 records- 0183US7305558B1Digital signing methodHITACHI LTD·Filed 2000·Granted Dec 4, 2007·38 cites·14 claims
- 0282US7526645B2Electronic document authenticity assurance method and electronic document disclosure systemHITACHI LTD·Filed 2004·Granted Apr 28, 2009·31 cites·9 claims
- 0382US6816969B2Digital signature generating method and digital signature verifying methodHITACHI LTD·Filed 2001·Granted Nov 9, 2004·41 cites·13 claims
- 0482US6775775B1Method of physical individual authentication and system using the sameHITACHI LTD·Filed 2000·Granted Aug 10, 2004·66 cites·4 claims
- 0576US7770009B2Digital signing methodHITACHI LTD·Filed 2007·Granted Aug 3, 2010·6 cites·9 claims
- 0675US7200682B2Time stamp generating systemHITACHI LTD·Filed 2002·Granted Apr 3, 2007·21 cites·8 claims
- 0754US2002111914A1Method for specifying product delivery destinationsFiled 2002·Application pending·0 cites
- 0853US2009193259A1Electronic document authenticity assurance method and electronic document disclosure systemHITACHI LTD·Filed 2009·Application pending·0 cites
- 0950US2002049670A1Electronic payment method and systemHITACHI LTD·Filed 2001·Application pending·0 cites
- 1041US2004123099A1Certificate, certificate issuing method and system and certificate verifying method and deviceFiled 2003·Application pending·0 cites
- 1141US2004123100A1Certificate issuing method and certificate verifying methodFiled 2003·Application pending·0 cites
- 1239US2005206158A1Certificate issuing method and certificate verifying methodTOUCHSTONE RES LAB LTD·Filed 2005·Application pending·0 cites
- 1339US2002034305A1Method and system for issuing service and method and system for providing serviceFiled 2001·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →