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|---|
Cryptocurrency System, Terminal, Server, Trading Method Of Cryptocurrency, And Program
App 20220253933 - SAKO; Kazue | 2022-08-11 |
System, data management method, and program
Grant 11,212,112 - Sako , et al. December 28, 2 | 2021-12-28 |
Electronic Transaction System, Transaction Server, Verification Server, Method Of Transaction, And Program
App 20200402171 - ISSHIKI; Toshiyuki ; et al. | 2020-12-24 |
System and method for electronic bidding
Grant 10,797,867 - Isshiki , et al. October 6, 2 | 2020-10-06 |
System, Data Management Method, And Program
App 20190165948 - SAKO; Kazue ; et al. | 2019-05-30 |
Mix-net system
Grant 8,583,925 - Furukawa , et al. November 12, 2 | 2013-11-12 |
Mix-net system
Grant 8,553,889 - Furukawa , et al. October 8, 2 | 2013-10-08 |
Mix-net System
App 20120250868 - Furukawa; Jun ; et al. | 2012-10-04 |
Mix-net System
App 20120250855 - Furukawa; Jun ; et al. | 2012-10-04 |
Mix-net system
Grant 8,223,973 - Furukawa , et al. July 17, 2 | 2012-07-17 |
Mix-net System
App 20100115285 - FURUKAWA; JUN ; et al. | 2010-05-06 |
Anonymous electronic voting system and anonymous electronic voting method
Grant 7,694,880 - Mori , et al. April 13, 2 | 2010-04-13 |
Mix-net system
Grant 7,672,460 - Furukawa , et al. March 2, 2 | 2010-03-02 |
Service Providing System, Outsourcer Apparatus, Service Providing Method, and Program
App 20090089575 - Yonezawa; Shoko ; et al. | 2009-04-02 |
System and Method for Electronic Bidding
App 20090083190 - Isshiki; Toshiyuki ; et al. | 2009-03-26 |
Signature And Verifying Method, And Signature And Verifying Device
App 20090044017 - Teranishi; Isamu ; et al. | 2009-02-12 |
Anonymous decryption system, anonymous decryption method, and program
Grant 7,376,833 - Sako , et al. May 20, 2 | 2008-05-20 |
Group Signature System, Member Status Judging Device, Group Signature Method And Member Status Judging Program
App 20080091941 - Yonezawa; Shoko ; et al. | 2008-04-17 |
Anonymous electronic voting system and anonymous electronic voting method
App 20070185761 - Mori; Kengo ; et al. | 2007-08-09 |
Electronic tender system
Grant 7,181,405 - Sako February 20, 2 | 2007-02-20 |
Anonymous participation authority management system
Grant 7,117,368 - Sako October 3, 2 | 2006-10-03 |
Electronic revenue stamp issuing apparatus and method thereof and recording medium stored control program thereof
Grant 7,080,045 - Sako July 18, 2 | 2006-07-18 |
Zero-knowledge proving system and method
Grant 7,003,541 - Furukawa , et al. February 21, 2 | 2006-02-21 |
System and method for determining winner
Grant 6,754,348 - Sako June 22, 2 | 2004-06-22 |
Handle deciphering system and handle deciphering method, and program
App 20040114763 - Sako, Kazue ; et al. | 2004-06-17 |
Electronic lottery system and its operating method and computer-readable recording medium in which the electronic lottery program code is stored
Grant 6,595,855 - Sako July 22, 2 | 2003-07-22 |
Zero-knowledge proving system and method
App 20030065692 - Furukawa, Jun ; et al. | 2003-04-03 |
Electronic Lottery System And Its Operating Method And Computer- Readable Recording Medium In Which The Electronic Lottery Program Code Is Stored
App 20010053714 - SAKO, KAZUE | 2001-12-20 |
Anonymous participation authority management system
App 20010011351 - Sako, Kazue | 2001-08-02 |
Key recovery system and key recovery method
Grant 6,266,421 - Domyo , et al. July 24, 2 | 2001-07-24 |
Key recovery system
Grant 6,185,308 - Ando , et al. February 6, 2 | 2001-02-06 |
Secure receipt-free electronic voting
Grant 6,092,051 - Kilian , et al. July 18, 2 | 2000-07-18 |
Message authorization system for authorizing message for electronic document
Grant 5,963,649 - Sako October 5, 1 | 1999-10-05 |
Secure anonymous message transfer and voting scheme
Grant 5,682,430 - Kilian , et al. October 28, 1 | 1997-10-28 |
Secure electronic voting using partially compatible homomorphisms
Grant 5,495,532 - Kilian , et al. February 27, 1 | 1996-02-27 |
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