Inventor
HIRANO TAKATO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “HIRANO TAKATO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
16 patentsUS10673614B2Jun 2, 2020
Secret search system, management device, secret search method and computer readable medium
MITSUBISHI ELECTRIC CORP3 citations72
US10872158B2Dec 22, 2020
Secret search system, secret search method, and computer readable medium
MITSUBISHI ELECTRIC CORP2 citations70
US11005645B2May 11, 2021
Encryption device, encryption method, computer readable medium, and storage device
MITSUBISHI ELECTRIC CORP1 citations62
USRE48146EAug 4, 2020
Data search device, data search method, computer readable medium storing data search program, data registration device, data registration method, computer readable medium storing data registration program, and information processing device
MITSUBISHI ELECTRIC CORP1 citations62
US10673627B2Jun 2, 2020
Encryption device, search device, computer readable medium, encryption method, and search method
MITSUBISHI ELECTRIC CORP1 citations62
US11163895B2Nov 2, 2021
Concealment device, data analysis device, and computer readable medium
MITSUBISHI ELECTRIC CORP0 citations58
US12216787B2Feb 4, 2025
Searchable encryption system, searchable encryption method, and non-transitory computer-readable recording medium
MITSUBISHI ELECTRIC CORP0 citations51
US12061604B2Aug 13, 2024
Searchable encryption system
MITSUBISHI ELECTRIC CORP0 citations51
US11902418B2Feb 13, 2024
Registration device, search operation device, and data management device
MITSUBISHI ELECTRIC CORP0 citations51
US11831769B2Nov 28, 2023
Registration device, server device, searchable encryption system, and searchable encryption method
MITSUBISHI ELECTRIC CORP0 citations51
US11451372B2Sep 20, 2022
Privacy-preserving analysis device, privacy-preserving analysis system, privacy-preserving analysis method, and computer readable medium
MITSUBISHI ELECTRIC CORP0 citations51
US11233629B2Jan 25, 2022
Registration apparatus, search operation apparatus, data management apparatus
MITSUBISHI ELECTRIC CORP0 citations51
US10936757B2Mar 2, 2021
Registration destination determination device, searchable encryption system, destination determination method, and computer readable medium
MITSUBISHI ELECTRIC CORP0 citations51
US10778431B2Sep 15, 2020
Encrypted text conversion device, computer readable medium, and encryption text conversion method
MITSUBISHI ELECTRIC CORP0 citations41
US10361840B2Jul 23, 2019
Server apparatus, search system, terminal apparatus, search method, non-transitory computer readable medium storing server program, and non-transitory computer readable medium storing terminal program
MITSUBISHI ELECTRIC CORP0 citations41
US10063348B2Aug 28, 2018
Retransmission data processing device, retransmission data communication device, retransmission data communication system, retransmission data processing method, retransmission data communication method, and non-transitory computer readable medium for detecting abnormality by comparing retransmission data to transmission data
MITSUBISHI ELECTRIC CORP0 citations40
HATTORI MITSUHIRO
3 patentsUS9391965B2Jul 12, 2016
Data search device, data search method, data search program, data registration device, data registration method, data registration program, and information processing device
HATTORI MITSUHIRO4 citations71
US9276746B2Mar 1, 2016
Encryption system, encryption processing method of encryption system, encryption device, decryption device, setup device, key generation device, and key delegation device using a user identifier for a user who belongs to a k-th hierarchy in an organization
HATTORI MITSUHIRO1 citations49
US9237137B2Jan 12, 2016
Key generation device, key generation program, secret search system, and key distribution method
HATTORI MITSUHIRO0 citations40