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Patents Grants
last 30 patents
Information
Patent Grant
Delegated signatures for smart devices
Patent number
11,316,698
Issue date
Apr 26, 2022
Guardtime SA
Ahto Truu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for generating data signatures over non-continuou...
Patent number
11,184,176
Issue date
Nov 23, 2021
Guardtime SA
Henri Lakk
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Blockchain-assisted hash-based data signature system and method
Patent number
11,057,187
Issue date
Jul 6, 2021
Guardtime SA
Ahto Buldas
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Strengthened entity identity for digital record signature infrastru...
Patent number
10,200,199
Issue date
Feb 5, 2019
Guardtime Holdings Limited
Ahto Truu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Blockchain-supported, node ID-augmented digital record signature me...
Patent number
9,853,819
Issue date
Dec 26, 2017
GUARDTIME IP HOLDINGS LTD.
Ahto Truu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for sequential data signatures
Patent number
9,614,682
Issue date
Apr 4, 2017
Guardtime IP Holdings, Ltd
Ahto Buldas
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Document verification with ID augmentation
Patent number
9,473,306
Issue date
Oct 18, 2016
Guardtime IP Holdings, Ltd
Ahto Buldas
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Non-deterministic time systems and methods
Patent number
9,178,708
Issue date
Nov 3, 2015
GUARDTIME IP HOLDINGS LIMITED
Michael Gault
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Delegated Signatures for Smart Devices
Publication number
20210021429
Publication date
Jan 21, 2021
Guardtime SA
Ahto TRUU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and Method for Generating Data Signatures Over Non-Continuou...
Publication number
20200127849
Publication date
Apr 23, 2020
Guardtime SA
Henri LAKK
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Blockchain-Assisted Hash-Based Data Signature System and Method
Publication number
20200052886
Publication date
Feb 13, 2020
Guardtime SA
Ahto BULDAS
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
STRENGTHENED ENTITY IDENTITY FOR DIGITAL RECORD SIGNATURE INFRASTRU...
Publication number
20180139057
Publication date
May 17, 2018
GUARDTIME IP HOLDINGS LIMITED
Ahto TRUU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BLOCKCHAIN-SUPPORTED, NODE ID-AUGMENTED DIGITAL RECORD SIGNATURE ME...
Publication number
20170033932
Publication date
Feb 2, 2017
GUARDTIME IP HOLDINGS LIMITED
Ahto TRUU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NON-DETERMINISTIC TIME GENERATION AND EVENT-ASSOCIATION SYSTEM
Publication number
20160119152
Publication date
Apr 28, 2016
GUARDTIME IP HOLDINGS LIMITED
Michael Gault
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
NON-DETERMINISTIC CLOCK
Publication number
20150365242
Publication date
Dec 17, 2015
GUARDTIME IP HOLDINGS LIMITED
Michael GAULT
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and Method for Sequential Data Signatures
Publication number
20150295720
Publication date
Oct 15, 2015
GUARDTIME IP HOLDINGS, LTD.
Ahto BULDAS
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NON-DETERMINISTIC TIME SYSTEMS AND METHODS
Publication number
20150156026
Publication date
Jun 4, 2015
GUARDTIME IP HOLDINGS LIMITED
Michael GAULT
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DOCUMENT VERIFICATION WITH ID AUGMENTATION
Publication number
20150039893
Publication date
Feb 5, 2015
GUARDTIME IP HOLDINGS LIMITED
AHTO BULDAS
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Verification System and Method with Extra Security for Lower-Entrop...
Publication number
20140245020
Publication date
Aug 28, 2014
GUARDTIME IP HOLDINGS LIMITED
AHTO BULDAS
G06 - COMPUTING CALCULATING COUNTING