Patent | Date |
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Cryptographic management apparatus, decryption management apparatus and program Grant 8,688,969 - Miyazaki , et al. April 1, 2 | 2014-04-01 |
Electronic value exchange system, mobile terminal, and electronic value exchange method Grant 8,468,094 - Sakamura , et al. June 18, 2 | 2013-06-18 |
Software module management device and program Grant 8,417,964 - Miyazaki , et al. April 9, 2 | 2013-04-09 |
Cryptographic module management apparatus, method, and program Grant 8,406,422 - Miyazaki , et al. March 26, 2 | 2013-03-26 |
Cryptographic module distribution system, apparatus, and program Grant 8,396,218 - Miyazaki , et al. March 12, 2 | 2013-03-12 |
Cryptographic module selecting device and program Grant 8,370,643 - Miyazaki , et al. February 5, 2 | 2013-02-05 |
IC card and authentication method in electronic ticket distribution system Grant 8,306,919 - Sakamura , et al. November 6, 2 | 2012-11-06 |
Data processing device and data processing method Grant 8,161,499 - Sakamura , et al. April 17, 2 | 2012-04-17 |
Data communication apparatus and data communication method Grant 8,122,261 - Sakamura , et al. February 21, 2 | 2012-02-21 |
Terminal equipment Grant 7,975,029 - Sakamura , et al. July 5, 2 | 2011-07-05 |
Electronic value exchange system and electronic value exchange method Grant 7,896,236 - Sakamura , et al. March 1, 2 | 2011-03-01 |
Connection information management system for managing connection information used in communications between IC cards Grant 7,882,030 - Sakamura , et al. February 1, 2 | 2011-02-01 |
Cryptographic Module Selecting Device And Program App 20100281270 - Miyazaki; Shingo ;   et al. | 2010-11-04 |
IC card and access control method Grant 7,814,557 - Sakamura , et al. October 12, 2 | 2010-10-12 |
IC card and authentication method in electronic ticket distribution system Grant 7,580,897 - Sakamura , et al. August 25, 2 | 2009-08-25 |
Data processing device and data processing method App 20090158296 - Sakamura; Ken ;   et al. | 2009-06-18 |
Cryptographic Management Apparatus, Decryption Management Apparatus And Program App 20090138700 - Miyazaki; Shingo ;   et al. | 2009-05-28 |
Cryptographic Module Distribution System, Apparatus, And Program App 20090138708 - Miyazaki; Shingo ;   et al. | 2009-05-28 |
Software Module Management Device And Program App 20090138699 - MIYAZAKI; Shingo ;   et al. | 2009-05-28 |
Cryptographic Module Management Apparatus, Method, And Program App 20090129586 - Miyazaki; Shingo ;   et al. | 2009-05-21 |
Electronic value transfer device equipped with non-contact IC interface Grant 7,416,114 - Sakamura , et al. August 26, 2 | 2008-08-26 |
Communication terminal, portable terminal, circulating server, providing server, electronic book distributing method, and electronic book distributing program Grant 7,403,924 - Sakamura , et al. July 22, 2 | 2008-07-22 |
Electronic Value Exchange System, Mobile Terminal, and Electronic Value Exchange Method App 20080163251 - Sakamura; Ken ;   et al. | 2008-07-03 |
Ic Card And Access Control Method App 20080134341 - Sakamura; Ken ;   et al. | 2008-06-05 |
Data Communication Apparatus and Data Communication Method App 20080133923 - Sakamura; Ken ;   et al. | 2008-06-05 |
Ic Card And Authentication Method In Electronic Ticket Distribution System App 20080109371 - Sakamura; Ken ;   et al. | 2008-05-08 |
IC card, terminal device, and data communication method Grant 7,357,329 - Sakamura , et al. April 15, 2 | 2008-04-15 |
Autonomous integrated-circuit card Grant 7,346,718 - Sakamura , et al. March 18, 2 | 2008-03-18 |
Connection information management system for managing connection information used in communications between IC cards Grant 7,340,243 - Sakamura , et al. March 4, 2 | 2008-03-04 |
Communication Terminal, Portable Terminal, Circulating Server, Providing Server, Electronic Book Distributing Method, And Eletronic Book Distributing Program App 20070250455 - Sakamura; Ken ;   et al. | 2007-10-25 |
Ic Card And Authority Transfer Control Method App 20070204148 - Sakamura; Ken ;   et al. | 2007-08-30 |
Communication Terminal, Server Apparatus, Electronic Worth Charging Method, And Electronic Worth Charging Program App 20070149867 - Sakamura; Ken ;   et al. | 2007-06-28 |
Electronic value exchange system and electronic value exchange method App 20060208067 - Sakamura; Ken ;   et al. | 2006-09-21 |
Terminal equipment App 20060210078 - Sakamura; Ken ;   et al. | 2006-09-21 |
Ic chip, card and mobile terminal connected to the same App 20060163364 - Sakamura; Ken ;   et al. | 2006-07-27 |
Electronic value transfer device equipped with non-contact ic interface App 20060097037 - Sakamura; Ken ;   et al. | 2006-05-11 |
Ic card, terminal device, and data communications method App 20060049243 - Sakamura; Ken ;   et al. | 2006-03-09 |
Communication terminal, server apparatus, electronic worth charging method, and electronic worth charging program App 20040158490 - Sakamura, Ken ;   et al. | 2004-08-12 |
Communication terminal, portable terminal, circulating server, providing server, electronic book distributing method, and electronic book distributing program App 20040153422 - Sakamura, Ken ;   et al. | 2004-08-05 |
IC card and authentication method in electronic ticket distribution system App 20040059685 - Sakamura, Ken ;   et al. | 2004-03-25 |
Digital contents issuing system and digital contents issuing method App 20040044625 - Sakamura, Ken ;   et al. | 2004-03-04 |
Connection information management system for managing connection information used in communications between IC cards App 20040033813 - Sakamura, Ken ;   et al. | 2004-02-19 |
Autonomous integrated-circuit card App 20040034766 - Sakamura, Ken ;   et al. | 2004-02-19 |
IC card and cryptographic communication method between IC cards App 20040030896 - Sakamura, Ken ;   et al. | 2004-02-12 |
Connection information management system for managing connection information used in communications between IC cards App 20030236744 - Sakamura, Ken ;   et al. | 2003-12-25 |
Electronic value data communication method, communication system, IC card, portable terminal, and communication App 20030228886 - Ishii, Kazuhiko ;   et al. | 2003-12-11 |