Inventor
BULDAS AHTO
EE18 patents
⚠️ This page may combine multiple inventors who share the name “BULDAS AHTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GUARDTIME IP HOLDINGS LTD
10 patentsUS8719576B2May 6, 2014
Document verification with distributed calendar infrastructure
GUARDTIME IP HOLDINGS LTD38 citations91
US9614682B2Apr 4, 2017
System and method for sequential data signatures
GUARDTIME IP HOLDINGS LTD20 citations89
US10103893B2Oct 16, 2018
Blockchain-supported, fail-safe synchronization in a data authentication infrastructure
GUARDTIME IP HOLDINGS LTD13 citations82
US9473306B2Oct 18, 2016
Document verification with ID augmentation
GUARDTIME IP HOLDINGS LTD4 citations71
US9268969B2Feb 23, 2016
System and method for field-verifiable record authentication
GUARDTIME IP HOLDINGS LTD5 citations66
US8347372B2Jan 1, 2013
System and method for generating a digital certificate
GUARDTIME IP HOLDINGS LTD4 citations60
US9178708B2Nov 3, 2015
Non-deterministic time systems and methods
GUARDTIME IP HOLDINGS LTD3 citations59
US9122846B2Sep 1, 2015
Document verification with distributed calendar infrastructure
GUARDTIME IP HOLDINGS LTD3 citations59
US9876779B2Jan 23, 2018
Document verification with distributed calendar infrastructure
GUARDTIME IP HOLDINGS LTD0 citations49
US9911007B2Mar 6, 2018
Redundant fail-safe synchronization in a data authentication infrastructure
GUARDTIME IP HOLDINGS LTD0 citations39
GUARDTIME SA
3 patentsUS11057187B2Jul 6, 2021
Blockchain-assisted hash-based data signature system and method
GUARDTIME SA4 citations69
US12112324B2Oct 8, 2024
Verifiably unique transfer of exclusive control of data units
GUARDTIME SA0 citations48
US12093952B2Sep 17, 2024
Verifiable transfer of data using sharded blockchain
GUARDTIME SA0 citations47