Risto LAANOJA

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Tallinn, EE

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Patents Grantslast 30 patents

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
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
System and method for field-verifiable record authentication
- Patent number 9,268,969
- Issue date Feb 23, 2016
- GUARDTIME IP HOLDINGS LIMITED
- Michael Gault
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

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
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
SYSTEM AND METHOD FOR FIELD-VERIFIABLE RECORD AUTHENTICATION
- Publication number 20150052615
- Publication date Feb 19, 2015
- GUARDTIME IP HOLDINGS LIMITED
- Michael GAULT
- G06 - COMPUTING CALCULATING COUNTING