Kazuhiko Ishii

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic value exchange system, mobile terminal, and electronic v...
- Patent number 8,468,094
- Issue date Jun 18, 2013
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card and authentication method in electronic ticket distribution...
- Patent number 8,306,919
- Issue date Nov 6, 2012
- NTT DoCoMo, Inc.
- Ken Sakamura
- G07 - CHECKING-DEVICES
Information Patent Grant
Data processing device and data processing method
- Patent number 8,161,499
- Issue date Apr 17, 2012
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data communication apparatus and data communication method
- Patent number 8,122,261
- Issue date Feb 21, 2012
- NTT DoCoMo, Inc.
- Ken Sakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Terminal equipment
- Patent number 7,975,029
- Issue date Jul 5, 2011
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic value exchange system and electronic value exchange method
- Patent number 7,896,236
- Issue date Mar 1, 2011
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Connection information management system for managing connection in...
- Patent number 7,882,030
- Issue date Feb 1, 2011
- NTT DoCoMo, Inc.
- Ken Sakamura
- G07 - CHECKING-DEVICES
Information Patent Grant
Electronic value exchange method, user device, and third-party device
- Patent number 7,865,438
- Issue date Jan 4, 2011
- NTT DoCoMo, Inc.
- Masayuki Terada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mobile terminal and authentication method
- Patent number 7,861,293
- Issue date Dec 28, 2010
- NTT DoCoMo, Inc.
- Masayuki Terada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IC card and access control method
- Patent number 7,814,557
- Issue date Oct 12, 2010
- NTT DoCoMo, Inc.
- Ken Sakamura
- G07 - CHECKING-DEVICES
Information Patent Grant
Electronic value exchange system and electronic value exchange method
- Patent number 7,590,591
- Issue date Sep 15, 2009
- NTT DoCoMo, Inc.
- Masayuki Terada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card and authentication method in electronic ticket distribution...
- Patent number 7,580,897
- Issue date Aug 25, 2009
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Tamper resistant device and file generation method
- Patent number 7,500,605
- Issue date Mar 10, 2009
- NTT DoCoMo, Inc.
- Kensaku Mori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic value transfer device equipped with non-contact IC inter...
- Patent number 7,416,114
- Issue date Aug 26, 2008
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communication terminal, portable terminal, circulating server, prov...
- Patent number 7,403,924
- Issue date Jul 22, 2008
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card, terminal device, and data communication method
- Patent number 7,357,329
- Issue date Apr 15, 2008
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Autonomous integrated-circuit card
- Patent number 7,346,718
- Issue date Mar 18, 2008
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Connection information management system for managing connection in...
- Patent number 7,340,243
- Issue date Mar 4, 2008
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card, portable terminal, and access control method
- Patent number 7,287,165
- Issue date Oct 23, 2007
- NTT DoCoMo, Inc.
- Hiroshi Aono
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable terminal, access control method, and access control program
- Patent number 7,031,695
- Issue date Apr 18, 2006
- NIT DoCoMo, Inc.
- Hiroshi Aono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC VALUE EXCHANGE USER DEVICE AND THIRD-PARTY DEVICE
- Publication number 20100094757
- Publication date Apr 15, 2010
- NTT DoCoMo, Inc.
- Masayuki Terada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTHENTICATION DEVICE, MOBILE TERMINAL, AND AUTHENTICATION METHOD
- Publication number 20090199005
- Publication date Aug 6, 2009
- NTT DoCoMo, Inc.
- Masayuki Terada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data processing device and data processing method
- Publication number 20090158296
- Publication date Jun 18, 2009
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic Value Exchange System, Mobile Terminal, and Electronic V...
- Publication number 20080163251
- Publication date Jul 3, 2008
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data Communication Apparatus and Data Communication Method
- Publication number 20080133923
- Publication date Jun 5, 2008
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Ic Card And Access Control Method
- Publication number 20080134341
- Publication date Jun 5, 2008
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IC CARD AND AUTHENTICATION METHOD IN ELECTRONIC TICKET DISTRIBUTION...
- Publication number 20080109371
- Publication date May 8, 2008
- Ken SAKAMURA
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMMUNICATION TERMINAL, PORTABLE TERMINAL, CIRCULATING SERVER, PROV...
- Publication number 20070250455
- Publication date Oct 25, 2007
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Ic Card And Authority Transfer Control Method
- Publication number 20070204148
- Publication date Aug 30, 2007
- NOBORU KOSHIZUKA
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMMUNICATION TERMINAL, SERVER APPARATUS, ELECTRONIC WORTH CHARGING...
- Publication number 20070149867
- Publication date Jun 28, 2007
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic value exchange method, user device, and third-party device
- Publication number 20060259430
- Publication date Nov 16, 2006
- NTT DoCoMo, Inc.
- Masayuki Terada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Mobile terminal and authentication method
- Publication number 20060245594
- Publication date Nov 2, 2006
- NTT DoCoMo, Inc.
- Masayuki Terada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Tamper resistant device and file generation method
- Publication number 20060214006
- Publication date Sep 28, 2006
- NTT DoCoMo, Inc.
- Kensaku Mori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Terminal equipment
- Publication number 20060210078
- Publication date Sep 21, 2006
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic value exchange system and electronic value exchange method
- Publication number 20060208067
- Publication date Sep 21, 2006
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic value exchange system and electronic value exchange method
- Publication number 20060212394
- Publication date Sep 21, 2006
- NTT DoCoMo, Inc.
- Masayuki Terada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Authentication device, mobile terminal, and authentication method
- Publication number 20060212397
- Publication date Sep 21, 2006
- NTT DoCoMo, Inc.
- Masayuki Terada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Ic chip, card and mobile terminal connected to the same
- Publication number 20060163364
- Publication date Jul 27, 2006
- Ken SAKAMURA
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic value transfer device equipped with non-contact ic inter...
- Publication number 20060097037
- Publication date May 11, 2006
- Ken SAKAMURA
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Communication terminal, server apparatus, electronic worth charging...
- Publication number 20040158490
- Publication date Aug 12, 2004
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Communication terminal, portable terminal, circulating server, prov...
- Publication number 20040153422
- Publication date Aug 5, 2004
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IC card and authentication method in electronic ticket distribution...
- Publication number 20040059685
- Publication date Mar 25, 2004
- Ken SAKAMURA
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital contents issuing system and digital contents issuing method
- Publication number 20040044625
- Publication date Mar 4, 2004
- Ken SAKAMURA
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Autonomous integrated-circuit card
- Publication number 20040034766
- Publication date Feb 19, 2004
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Connection information management system for managing connection in...
- Publication number 20040033813
- Publication date Feb 19, 2004
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IC card and cryptographic communication method between IC cards
- Publication number 20040030896
- Publication date Feb 12, 2004
- Ken SAKAMURA
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IC card, portable terminal, and access control method
- Publication number 20040019790
- Publication date Jan 29, 2004
- NTT DoCoMo, Inc.
- Hiroshi Aono
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Connection information management system for managing connection in...
- Publication number 20030236744
- Publication date Dec 25, 2003
- NTT DoCoMo, Inc.
- Ken Sakamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic value data communication method, communication system, I...
- Publication number 20030228886
- Publication date Dec 11, 2003
- NTT DoCoMo, Inc.
- Kazuhiko Ishii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Portable terminal, access control method, and access control program
- Publication number 20030220097
- Publication date Nov 27, 2003
- NTT DoCoMo, Inc.
- Hiroshi Aono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kazuhiko Ishii

Person

Patents Grantslast 30 patents

Electronic value exchange system, mobile terminal, and electronic v...

IC card and authentication method in electronic ticket distribution...

Data processing device and data processing method

Data communication apparatus and data communication method

Terminal equipment

Electronic value exchange system and electronic value exchange method

Connection information management system for managing connection in...

Electronic value exchange method, user device, and third-party device

Mobile terminal and authentication method

IC card and access control method

Electronic value exchange system and electronic value exchange method

IC card and authentication method in electronic ticket distribution...

Tamper resistant device and file generation method

Electronic value transfer device equipped with non-contact IC inter...

Communication terminal, portable terminal, circulating server, prov...

IC card, terminal device, and data communication method

Autonomous integrated-circuit card

Connection information management system for managing connection in...

IC card, portable terminal, and access control method

Portable terminal, access control method, and access control program

Patents Applicationslast 30 patents

ELECTRONIC VALUE EXCHANGE USER DEVICE AND THIRD-PARTY DEVICE

AUTHENTICATION DEVICE, MOBILE TERMINAL, AND AUTHENTICATION METHOD

Data processing device and data processing method

Electronic Value Exchange System, Mobile Terminal, and Electronic V...

Data Communication Apparatus and Data Communication Method

Ic Card And Access Control Method

IC CARD AND AUTHENTICATION METHOD IN ELECTRONIC TICKET DISTRIBUTION...

COMMUNICATION TERMINAL, PORTABLE TERMINAL, CIRCULATING SERVER, PROV...

Ic Card And Authority Transfer Control Method

COMMUNICATION TERMINAL, SERVER APPARATUS, ELECTRONIC WORTH CHARGING...

Electronic value exchange method, user device, and third-party device

Mobile terminal and authentication method

Tamper resistant device and file generation method

Terminal equipment

Electronic value exchange system and electronic value exchange method

Electronic value exchange system and electronic value exchange method

Authentication device, mobile terminal, and authentication method

Ic chip, card and mobile terminal connected to the same

Electronic value transfer device equipped with non-contact ic inter...

Communication terminal, server apparatus, electronic worth charging...

Communication terminal, portable terminal, circulating server, prov...

IC card and authentication method in electronic ticket distribution...

Digital contents issuing system and digital contents issuing method

Autonomous integrated-circuit card

Connection information management system for managing connection in...

IC card and cryptographic communication method between IC cards

IC card, portable terminal, and access control method

Connection information management system for managing connection in...

Electronic value data communication method, communication system, I...

Portable terminal, access control method, and access control program