Inventor · disambiguated record
Seiichi Susaki
Also filed as: SUSAKI SEIICHI
16 granted patents·7 pending applications·1,597 citations·filing 1993–2009
96Inventor score
Top patents by PatentIndex Score
23 records- 0197US6499105B1Digital data authentication methodHITACHI LTD·Filed 2000·Granted Dec 24, 2002·174 cites·60 claims
- 0297US6131162ADigital data authentication methodHITACHI LTD·Filed 1998·Granted Oct 10, 2000·388 cites·63 claims
- 0397US5465299AElectronic document processing system and method of forming digital signatureHITACHI LTD·Filed 1993·Granted Nov 7, 1995·428 cites·18 claims
- 0486US6189032B1Client-server system for controlling access rights to certain services by a user of a client terminalHITACHI LTD·Filed 1998·Granted Feb 13, 2001·143 cites·17 claims
- 0583US7305558B1Digital signing methodHITACHI LTD·Filed 2000·Granted Dec 4, 2007·38 cites·14 claims
- 0683US6253322B1Electronic certification authentication method and systemHITACHI LTD·Filed 1998·Granted Jun 26, 2001·154 cites·40 claims
- 0782US7526645B2Electronic document authenticity assurance method and electronic document disclosure systemHITACHI LTD·Filed 2004·Granted Apr 28, 2009·31 cites·9 claims
- 0882US6816969B2Digital signature generating method and digital signature verifying methodHITACHI LTD·Filed 2001·Granted Nov 9, 2004·41 cites·13 claims
- 0979US7694126B2Method and system for recovering the validity of cryptographically signed digital dataHITACHI LTD·Filed 2005·Granted Apr 6, 2010·7 cites·11 claims
- 1079US5309516AGroup cipher communication method and group cipher communication systemHITACHI LTD·Filed 1993·Granted May 3, 1994·93 cites·17 claims
- 1176US7770009B2Digital signing methodHITACHI LTD·Filed 2007·Granted Aug 3, 2010·6 cites·9 claims
- 1275US7200682B2Time stamp generating systemHITACHI LTD·Filed 2002·Granted Apr 3, 2007·21 cites·8 claims
- 1374US7134021B2Method and system for recovering the validity of cryptographically signed digital dataHITACHI LTD·Filed 2001·Granted Nov 7, 2006·16 cites·40 claims
- 1468US7386722B2Certificate management system and methodHITACHI LTD·Filed 2004·Granted Jun 10, 2008·17 cites·10 claims
- 1563US7357313B2Information processor-based service providing system and methodHITACHI LTD·Filed 2006·Granted Apr 15, 2008·4 cites·9 claims
- 1654US6327658B1Distributed object system and service supply method thereinHITACHI LTD·Filed 1998·Granted Dec 4, 2001·36 cites·10 claims
- 1753US2009193259A1Electronic document authenticity assurance method and electronic document disclosure systemHITACHI LTD·Filed 2009·Application pending·0 cites
- 1853US2002120870A1Rating information publishing systemFiled 2001·Application pending·0 cites
- 1952US2005182939A1Digital data authentication methodFiled 2005·Application pending·0 cites
- 2042US2002049912A1Access control methodFiled 2001·Application pending·0 cites
- 2142US2008016335A1Attribute Certificate Verification Method and SystemTAKAHASHI AYA·Filed 2007·Application pending·0 cites
- 2241US2002095579A1Digital data authentication methodFiled 2002·Application pending·0 cites
- 2339US2005193192A1Electronic certificate validity check system and its methodFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →