Membership
Tour
Register
Log in
Yuki OKANO
Follow
Person
Musashino-shi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Signature verification system, verification key management apparatu...
Patent number
12,095,927
Issue date
Sep 17, 2024
Nippon Telegraph and Telephone Corporation
Yuki Okano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Server device, communication terminal, communication system, and pr...
Patent number
11,902,421
Issue date
Feb 13, 2024
Nippon Telegraph and Telephone Corporation
Yuki Okano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system, communication apparatus, communication method...
Patent number
11,783,377
Issue date
Oct 10, 2023
Nippon Telegraph and Telephone Corporation
Koha Kinjo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Message transmission system, communication terminal, server apparat...
Patent number
11,765,137
Issue date
Sep 19, 2023
Nippon Telegraph and Telephone Corporation
Yuki Okano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Key exchange device, key exchange system, key exchange method, and...
Patent number
11,483,145
Issue date
Oct 25, 2022
Nippon Telegraph and Telephone Corporation
Masahiro Matsui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Key distribution system, terminal device, key distribution method,...
Patent number
11,411,720
Issue date
Aug 9, 2022
Nippon Telegraph and Telephone Corporation
Yuki Okano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication terminal, server apparatus, and program
Patent number
11,336,441
Issue date
May 17, 2022
Nippon Telegraph and Telephone Corporation
Yuki Okano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Quantum-proof multiparty key exchange system, quantum-proof multipa...
Patent number
11,316,676
Issue date
Apr 26, 2022
Nippon Telegraph and Telephone Corporation
Koha Kinjo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Encrypted message search method, message transmission/reception sys...
Patent number
11,223,472
Issue date
Jan 11, 2022
Nippon Telegraph and Telephone Corporation
Yuki Okano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Communication terminals, server devices, and programs
Patent number
11,190,499
Issue date
Nov 30, 2021
Nippon Telegraph and Telephone Corporation
Yuki Okano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data sharing method, data sharing system, data sharing server, comm...
Patent number
11,177,949
Issue date
Nov 16, 2021
Nippon Telegraph and Telephone Corporation
Yuki Okano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
AUTHENTICATION KEY EXCHANGE SYSTEM, EQUIPMENT, SERVER, METHOD, AND...
Publication number
20250192990
Publication date
Jun 12, 2025
Nippon Telegraph and Telephone Corporation
Kohei NAKAGAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
KEY EXCHANGE SYSTEM, TERMINAL, SERVER, KEY EXCHANGE METHOD, AND PRO...
Publication number
20240205206
Publication date
Jun 20, 2024
Nippon Telegraph and Telephone Corporation
Yuki OKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
KEY EXCHANGE SYSTEM, TERMINAL, SERVER, KEY EXCHANGE METHOD, AND PRO...
Publication number
20240129111
Publication date
Apr 18, 2024
Nippon Telegraph and Telephone Corporation
Yuki OKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, INFORMATION PROCESSING APPARATUS, COMMUNICATI...
Publication number
20240056288
Publication date
Feb 15, 2024
Nippon Telegraph and Telephone Corporation
Keizo MURAKAMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNATURE VERIFICATION SYSTEM, VERIFICATION KEY MANAGEMENT APPARATU...
Publication number
20220247569
Publication date
Aug 4, 2022
Nippon Telegraph and Telephone Corporation
Yuki OKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SERVER DEVICE, COMMUNICATION TERMINAL, COMMUNICATION SYSTEM, AND PR...
Publication number
20210391981
Publication date
Dec 16, 2021
Nippon Telegraph and Telephone Corporation
Yuki OKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, COMMUNICATION APPARATUS, COMMUNICATION METHOD...
Publication number
20210342895
Publication date
Nov 4, 2021
Nippon Telegraph and Telephone Corporation
Koha KINJO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMMUNICATION TERMINAL, SERVER APPARATUS, AND PROGRAM
Publication number
20210184844
Publication date
Jun 17, 2021
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Yuki OKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
KEY DISTRIBUTION SYSTEM, TERMINAL DEVICE, KEY DISTRIBUTION METHOD,...
Publication number
20210083853
Publication date
Mar 18, 2021
Nippon Telegraph and Telephone Corporation
Yuki OKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA SHARING METHOD, DATA SHARING SYSTEM, DATA SHARING SERVER, COMM...
Publication number
20200374114
Publication date
Nov 26, 2020
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Yuki OKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
KEY EXCHANGE SYSTEM, TERMINAL DEVICE, KEY EXCHANGE METHOD, PROGRAM,...
Publication number
20200322141
Publication date
Oct 8, 2020
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Koha KINJO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
KEY EXCHANGE DEVICE, KEY EXCHANGE SYSTEM, KEY EXCHANGE METHOD, AND...
Publication number
20200274704
Publication date
Aug 27, 2020
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Masahiro MATSUI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MESSAGE TRANSMISSION SYSTEM, COMMUNICATION TERMINAL, SERVER APPARAT...
Publication number
20200084185
Publication date
Mar 12, 2020
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Yuki OKANO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMMUNICATION TERMINALS, SERVER DEVICES, AND PROGRAMS
Publication number
20190238523
Publication date
Aug 1, 2019
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Yuki OKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ENCRYPTED MESSAGE SEARCH METHOD, MESSAGE TRANSMISSION/RECEPTION SY...
Publication number
20190215158
Publication date
Jul 11, 2019
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Yuki OKANO
G06 - COMPUTING CALCULATING COUNTING