Mitsuru Iwamura

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Digital signing method
- Patent number 7,770,009
- Issue date Aug 3, 2010
- Hitachi, Ltd.
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic document authenticity assurance method and electronic do...
- Patent number 7,526,645
- Issue date Apr 28, 2009
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital signing method
- Patent number 7,305,558
- Issue date Dec 4, 2007
- Hitachi, Ltd.
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time stamp generating system
- Patent number 7,200,682
- Issue date Apr 3, 2007
- Hitachi, Ltd.
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital signature generating method and digital signature verifying...
- Patent number 6,816,969
- Issue date Nov 9, 2004
- Hitachi, Ltd.
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of physical individual authentication and system using the same
- Patent number 6,775,775
- Issue date Aug 10, 2004
- Hitachi, Ltd.
- Hiroshi Yoshiura
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC DOCUMENT AUTHENTICITY ASSURANCE METHOD AND ELECTRONIC DO...
- Publication number 20090193259
- Publication date Jul 30, 2009
- Hitachi, Ltd
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital signing method
- Publication number 20080098232
- Publication date Apr 24, 2008
- Hitachi, Ltd
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Certificate issuing method and certificate verifying method
- Publication number 20050206158
- Publication date Sep 22, 2005
- Touchstone Research Laboratory, Ltd.
- Hideo Noyama
- G07 - CHECKING-DEVICES
Information Patent Application
Electronic document authenticity assurance method and electronic do...
- Publication number 20050015600
- Publication date Jan 20, 2005
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Certificate issuing method and certificate verifying method
- Publication number 20040123100
- Publication date Jun 24, 2004
- Hideo Noyama
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
Certificate, certificate issuing method and system and certificate...
- Publication number 20040123099
- Publication date Jun 24, 2004
- Hideo Noyama
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
Time stamp generating system
- Publication number 20030212828
- Publication date Nov 13, 2003
- Kunihiko Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for specifying product delivery destinations
- Publication number 20020111914
- Publication date Aug 15, 2002
- Shuji Terada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital signature generating method and digital signature verifying...
- Publication number 20020108044
- Publication date Aug 8, 2002
- Kunihiko Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electronic payment method and system
- Publication number 20020049670
- Publication date Apr 25, 2002
- Hitachi, Ltd
- Toshiyuki Moritsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and system for issuing service and method and system for pro...
- Publication number 20020034305
- Publication date Mar 21, 2002
- Hideo Noyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Mitsuru Iwamura

Person

Patents Grantslast 30 patents

Digital signing method

Electronic document authenticity assurance method and electronic do...

Digital signing method

Time stamp generating system

Digital signature generating method and digital signature verifying...

Method of physical individual authentication and system using the same

Patents Applicationslast 30 patents

ELECTRONIC DOCUMENT AUTHENTICITY ASSURANCE METHOD AND ELECTRONIC DO...

Digital signing method

Certificate issuing method and certificate verifying method

Electronic document authenticity assurance method and electronic do...

Certificate issuing method and certificate verifying method

Certificate, certificate issuing method and system and certificate...

Time stamp generating system

Method for specifying product delivery destinations

Digital signature generating method and digital signature verifying...

Electronic payment method and system

Method and system for issuing service and method and system for pro...