Ken SAKAMURA

Organization

Tokyo, JP

Organizations

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Patents Grantslast 30 patents

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

Patents Applicationslast 30 patents

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
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 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
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
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
Ic card, terminal device, and data communications method
- Publication number 20060049243
- Publication date Mar 9, 2006
- Ken SAKAMURA
- 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
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
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

Ken SAKAMURA

Organization

Patents Grantslast 30 patents

Data communication apparatus and data communication method

Patents Applicationslast 30 patents

Data processing device and data processing method

Data Communication Apparatus and Data Communication Method

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

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

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

Ic chip, card and mobile terminal connected to the same

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

Ic card, terminal device, and data communications method

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

IC card and cryptographic communication method between IC cards

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

Trademarklast 30 trademarks