| Patent | Date |
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Electronic value exchange system, mobile terminal, and electronic value exchange method
Grant 8,468,094 - Sakamura , et al. June 18, 2 | 2013-06-18 |
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 |
Electronic value exchange method, user device, and third-party device
Grant 7,865,438 - Terada , et al. January 4, 2 | 2011-01-04 |
Mobile terminal and authentication method
Grant 7,861,293 - Terada , et al. December 28, 2 | 2010-12-28 |
IC card and access control method
Grant 7,814,557 - Sakamura , et al. October 12, 2 | 2010-10-12 |
Electronic Value Exchange User Device And Third-party Device
App 20100094757 - Terada; Masayuki ; et al. | 2010-04-15 |
Electronic value exchange system and electronic value exchange method
Grant 7,590,591 - Terada , et al. September 15, 2 | 2009-09-15 |
IC card and authentication method in electronic ticket distribution system
Grant 7,580,897 - Sakamura , et al. August 25, 2 | 2009-08-25 |
Authentication Device, Mobile Terminal, And Authentication Method
App 20090199005 - TERADA; Masayuki ; et al. | 2009-08-06 |
Data processing device and data processing method
App 20090158296 - Sakamura; Ken ; et al. | 2009-06-18 |
Tamper resistant device and file generation method
Grant 7,500,605 - Mori , et al. March 10, 2 | 2009-03-10 |
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 |
Data Communication Apparatus and Data Communication Method
App 20080133923 - Sakamura; Ken ; et al. | 2008-06-05 |
Ic Card And Access Control Method
App 20080134341 - 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 |
Information distributing method, information distributing system, information distributing server, mobile communication network system and communication service providing method
Grant 7,346,042 - Horiguchi , 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, portable terminal, and access control method
Grant 7,287,165 - Aono , et al. October 23, 2 | 2007-10-23 |
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 |
Mobile communication system, resource switching method thereof, network control apparatus included therein, same and network control method
Grant 7,142,847 - Umeda , et al. November 28, 2 | 2006-11-28 |
Electronic value exchange method, user device, and third-party device
App 20060259430 - Terada; Masayuki ; et al. | 2006-11-16 |
Mobile terminal and authentication method
App 20060245594 - Terada; Masayuki ; et al. | 2006-11-02 |
Tamper resistant device and file generation method
App 20060214006 - Mori; Kensaku ; et al. | 2006-09-28 |
Electronic value exchange system and electronic value exchange method
App 20060208067 - Sakamura; Ken ; et al. | 2006-09-21 |
Electronic value exchange system and electronic value exchange method
App 20060212394 - Terada; Masayuki ; et al. | 2006-09-21 |
Terminal equipment
App 20060210078 - Sakamura; Ken ; et al. | 2006-09-21 |
Authentication device, mobile terminal, and authentication method
App 20060212397 - Terada; Masayuki ; 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 |
Portable terminal, access control method, and access control program
Grant 7,031,695 - Aono , et al. April 18, 2 | 2006-04-18 |
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 |
IC card, portable terminal, and access control method
App 20040019790 - Aono, Hiroshi ; et al. | 2004-01-29 |
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 |
Portable terminal, access control method, and access control program
App 20030220097 - Aono, Hiroshi ; et al. | 2003-11-27 |
Mobile communication system, resource switching method thereof, network control apparatus included therein, same and network control method
App 20020150228 - Umeda, Narumi ; et al. | 2002-10-17 |
Information distributing method, information distributing system, information distributing server, mobile communication network system and communication service providing method
App 20010015972 - Horiguchi, Shoichi ; et al. | 2001-08-23 |
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