Kazue Sako

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cryptocurrency system, terminal, server, trading method of cryptocu...
- Patent number 11,763,383
- Issue date Sep 19, 2023
- NEC Corporation
- Kazue Sako
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mix-net system
- Patent number 8,583,925
- Issue date Nov 12, 2013
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mix-net system
- Patent number 8,553,889
- Issue date Oct 8, 2013
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mix-net system
- Patent number 8,223,973
- Issue date Jul 17, 2012
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Anonymous electronic voting system and anonymous electronic voting...
- Patent number 7,694,880
- Issue date Apr 13, 2010
- NEC Corporation
- Kengo Mori
- G07 - CHECKING-DEVICES
Information Patent Grant
Mix-net system
- Patent number 7,672,460
- Issue date Mar 2, 2010
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Anonymous decryption system, anonymous decryption method, and program
- Patent number 7,376,833
- Issue date May 20, 2008
- NEC Corporation
- Kazue Sako
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic tender system
- Patent number 7,181,405
- Issue date Feb 20, 2007
- NEC Corporation
- Kazue Sako
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Anonymous participation authority management system
- Patent number 7,117,368
- Issue date Oct 3, 2006
- NEC Corporation
- Kazue Sako
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic revenue stamp issuing apparatus and method thereof and r...
- Patent number 7,080,045
- Issue date Jul 18, 2006
- NEC Corporation
- Kazue Sako
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Zero-knowledge proving system and method
- Patent number 7,003,541
- Issue date Feb 21, 2006
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for determining winner
- Patent number 6,754,348
- Issue date Jun 22, 2004
- NEC Corporation
- Kazue Sako
- G07 - CHECKING-DEVICES
Information Patent Grant
Electronic lottery system and its operating method and computer-rea...
- Patent number 6,595,855
- Issue date Jul 22, 2003
- NEC Corporation
- Kazue Sako
- G07 - CHECKING-DEVICES
Information Patent Grant
Key recovery condition encryption and decryption apparatuses
- Patent number 6,272,225
- Issue date Aug 7, 2001
- NEC Corporation
- Hiroshi Miyauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key recovery system and key recovery method
- Patent number 6,266,421
- Issue date Jul 24, 2001
- Hitachi, Ltd.
- Seiichi Domyo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key recovery system
- Patent number 6,185,308
- Issue date Feb 6, 2001
- Fujitsu Limited
- Hiroyuki Ando
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption key processing system to be incorporated into data recov...
- Patent number 6,169,803
- Issue date Jan 2, 2001
- NEC Corporation
- Kazue Sako
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Secure receipt-free electronic voting
- Patent number 6,092,051
- Issue date Jul 18, 2000
- NEC Research Institute, Inc.
- Joseph John Kilian
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Message authorization system for authorizing message for electronic...
- Patent number 5,963,649
- Issue date Oct 5, 1999
- NEC Corporation
- Kazue Sako
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secure anonymous message transfer and voting scheme
- Patent number 5,682,430
- Issue date Oct 28, 1997
- NEC Research Institute, Inc.
- Joseph John Kilian
- G07 - CHECKING-DEVICES
Information Patent Grant
Secure electronic voting using partially compatible homomorphisms
- Patent number 5,495,532
- Issue date Feb 27, 1996
- NEC Research Institute, Inc.
- Joseph J. Kilian
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
CRYPTOCURRENCY SYSTEM, TERMINAL, SERVER, TRADING METHOD OF CRYPTOCU...
- Publication number 20220253933
- Publication date Aug 11, 2022
- NEC Corporation
- Kazue Sako
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MIX-NET SYSTEM
- Publication number 20120250868
- Publication date Oct 4, 2012
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MIX-NET SYSTEM
- Publication number 20120250855
- Publication date Oct 4, 2012
- NEC Corporation
- JUN FURUKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MIX-NET SYSTEM
- Publication number 20100115285
- Publication date May 6, 2010
- NEC Corporation
- JUN FURUKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Service Providing System, Outsourcer Apparatus, Service Providing M...
- Publication number 20090089575
- Publication date Apr 2, 2009
- Shoko Yonezawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and Method for Electronic Bidding
- Publication number 20090083190
- Publication date Mar 26, 2009
- Toshiyuki Isshiki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIGNATURE AND VERIFYING METHOD, AND SIGNATURE AND VERIFYING DEVICE
- Publication number 20090044017
- Publication date Feb 12, 2009
- NEC Corporation
- Isamu Teranishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Group Signature System, Member Status Judging Device, Group Signatu...
- Publication number 20080091941
- Publication date Apr 17, 2008
- NEC Corporation
- Shoko Yonezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Anonymous electronic voting system and anonymous electronic voting...
- Publication number 20070185761
- Publication date Aug 9, 2007
- Kengo Mori
- G07 - CHECKING-DEVICES
Information Patent Application
Handle deciphering system and handle deciphering method, and program
- Publication number 20040114763
- Publication date Jun 17, 2004
- Kazue Sako
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Zero-knowledge proving system and method
- Publication number 20030065692
- Publication date Apr 3, 2003
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC LOTTERY SYSTEM AND ITS OPERATING METHOD AND COMPUTER- RE...
- Publication number 20010053714
- Publication date Dec 20, 2001
- KAZUE SAKO
- G07 - CHECKING-DEVICES
Information Patent Application
Anonymous participation authority management system
- Publication number 20010011351
- Publication date Aug 2, 2001
- NEC Corporation
- Kazue Sako
- G06 - COMPUTING CALCULATING COUNTING

Person

Patents Grantslast 30 patents

Cryptocurrency system, terminal, server, trading method of cryptocu...

Mix-net system

Mix-net system

Mix-net system

Anonymous electronic voting system and anonymous electronic voting...

Mix-net system

Anonymous decryption system, anonymous decryption method, and program

Electronic tender system

Anonymous participation authority management system

Electronic revenue stamp issuing apparatus and method thereof and r...

Zero-knowledge proving system and method

System and method for determining winner

Electronic lottery system and its operating method and computer-rea...

Key recovery condition encryption and decryption apparatuses

Key recovery system and key recovery method

Key recovery system

Encryption key processing system to be incorporated into data recov...

Secure receipt-free electronic voting

Message authorization system for authorizing message for electronic...

Secure anonymous message transfer and voting scheme

Secure electronic voting using partially compatible homomorphisms

Patents Applicationslast 30 patents

CRYPTOCURRENCY SYSTEM, TERMINAL, SERVER, TRADING METHOD OF CRYPTOCU...

MIX-NET SYSTEM

MIX-NET SYSTEM

MIX-NET SYSTEM

Service Providing System, Outsourcer Apparatus, Service Providing M...

System and Method for Electronic Bidding

SIGNATURE AND VERIFYING METHOD, AND SIGNATURE AND VERIFYING DEVICE

Group Signature System, Member Status Judging Device, Group Signatu...

Anonymous electronic voting system and anonymous electronic voting...

Handle deciphering system and handle deciphering method, and program

Zero-knowledge proving system and method

ELECTRONIC LOTTERY SYSTEM AND ITS OPERATING METHOD AND COMPUTER- RE...

Anonymous participation authority management system