Inventor
TSUCHIDA Hikaru
JP19 patents
⚠️ This page may combine multiple inventors who share the name “TSUCHIDA Hikaru”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
17 patentsUS11290265B2Mar 29, 2022
Server device, secret equality determination system, secret equality determination method and secret equality determination program recording medium
NEC CORP3 citations72
US11283612B2Mar 22, 2022
Information processing device, verification device, and information processing system
NEC CORP2 citations72
US11870892B2Jan 9, 2024
Information processing apparatus, secret calculation method, and program
NEC CORP1 citations62
US11435988B2Sep 6, 2022
Conversion apparatus, conversion method and program
NEC CORP0 citations62
US12406057B2Sep 2, 2025
Machine learning method, machine learning system, and program
NEC CORP0 citations51
US11991178B2May 21, 2024
Secret computation system, secret computation server, auxiliary server, secret computation method, and program
NEC CORP0 citations51
US11895240B2Feb 6, 2024
System, apparatus, method and program for preventing illegal distribution of an access token
NEC CORP0 citations51
US11290456B2Mar 29, 2022
Secret equality determination system, secret equality determination method and secret equality determination program recording medium
NEC CORP0 citations51
US12585993B2Mar 24, 2026
Machine learning apparatus, machine learning system, machine learning method, and program
NEC CORP0 citations50
US12468857B2Nov 11, 2025
Secure computation system, secure computation server apparatus, secure computation method, and secure computation program
NEC CORP0 citations50
US12204640B2Jan 21, 2025
Assessment apparatus, surrogate model generation apparatus, assessment method, and program
NEC CORP0 citations50
US12160506B2Dec 3, 2024
Shuffling shares among nodes to detect incorrectness or frauds
NEC CORP0 citations50
US12147547B2Nov 19, 2024
Information processing apparatus, secure computation method, and program
NEC CORP0 citations50
US12143420B2Nov 12, 2024
Shuffling shares among nodes to detect incorrectness or frauds
NEC CORP0 citations50
US12135830B2Nov 5, 2024
Secure computation system, secure computation server apparatus, secure computation method, and secure computation program
NEC CORP0 citations50
US11934518B2Mar 19, 2024
Verification apparatus, multiparty computation verification system, and method and program for verifying multiparty computation executable code
NEC CORP0 citations49
US12335376B2Jun 17, 2025
Secure computation system, secure computation server apparatus, secure computation method, and secure computation program
NEC CORP0 citations47