Inventor
KAGA YOSUKE
JP5 patents
⚠️ This page may combine multiple inventors who share the name “KAGA YOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
4 patentsUS11018876B2May 25, 2021
Signature verification system, signature verification method, and storage medium
HITACHI LTD2 citations71
US10719593B2Jul 21, 2020
Biometric signature system and biometric certificate registration method
HITACHI LTD4 citations71
US12355890B2Jul 8, 2025
Authentication apparatus and authentication method
HITACHI LTD2 citations70
US11115214B2Sep 7, 2021
Biometric signature system and biometric signature method
HITACHI LTD0 citations50