Inventor

KOBAYASHI TETSUTARO

JP45 patents

⚠️ This page may combine multiple inventors who share the name “KOBAYASHI TETSUTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOBAYASHI TETSUTARO

NIPPON TELEGRAPH & TELEPHONE

Method and apparatus for modular inversion for information security and recording medium with a program for implementing the method

Apparatus and method for elliptic-curve multiplication and recording medium having recorded thereon a program for implementing the method

Terminal device, key distribution management device, server-client system, communication method, and programs

Key device, key cloud system, decryption method, and program

Method and apparatus for modular inversion for information security and recording medium with a program for implementing the method

Key exchange device, key exchange system, key exchange method, and key exchange program for exchanging a key with another device

Anonymous broadcast method, key exchange method, anonymous broadcast system, key exchange system, communication device, and program

Anonymous broadcast method, key exchange method, anonymous broadcast system, key exchange system, communication device, and program

Key exchange method and key exchange system

Communication device, server device, concealed communication system, methods for the same, and program

Key exchange method and key exchange system

Key exchange method, key exchange system, communication device and storage medium therefore

Encryption apparatus, cypher communication system, encryption method and program

Server device, communication terminal, communication system, and program

Message transmission system, communication terminal, server apparatus, message transmission method, and program

Key distribution system, terminal device, key distribution method, and program

Authentication control system, server apparatus, client apparatus, authentication control method, authentication method, and program

Proxy computing system, computing apparatus, capability providing apparatus, proxy computing method, capability providing method, program, and recording medium

Proxy computing system, computing apparatus, capability providing apparatus, proxy computing method, capability providing method, program, and recording medium

Proxy computing system, computing apparatus, capability providing apparatus, proxy computing method, capability providing method, program, and recording medium

Decryption service providing device, processing device, safety evaluation device, program, and recording medium

Encrypted communication device, encrypted communication system, encrypted communication method, and program

Communication terminal, server apparatus, and program

Key distribution system and method, key generation apparatus, representative user terminal, server apparatus, user terminal, and program

Encrypted message search method, message transmission/reception system, server, terminal and program

Communication terminals, server devices, and programs

Data sharing method, data sharing system, data sharing server, communication terminal and program

Chatbot system, information processing apparatus, information processing method and program

Decoding apparatus, decoding capability providing apparatus, method thereof and program

Segmented secret-key storage system, segment storage apparatus, segmented secret-key storage method

Calculation device, calculation method, and program

Data transmission and reception method and system

Key exchange method, key exchange system, key device, terminal device, and program

Security system, management apparatus, permission apparatus, terminal apparatus, security method and program

Directory service device, client device, key cloud system, method thereof, and program

Key exchange method, key exchange system, key distribution device, communication device, and program

Leakage prevention apparatus, leakage prevention method and program

YAMAMOTO GO

Proxy calculation system, proxy calculation method, proxy calculation requesting apparatus, and proxy calculation program and recording medium therefor

Proxy computing system, computing apparatus, capability providing apparatus, proxy computing method, capability providing method, program, and recording medium

Proxy calculation system, method, request device and program thereof

KOBAYASHI TETSUTARO

Cryptographic system, cryptographic communication method, encryption apparatus, key generation apparatus, decryption apparatus, content server, program, and storage medium

Functional encryption applied system, information output apparatus, information processing apparatus, encryption protocol execution method, information output method, information processing method, program and recording medium

TAKEUCHI KAKU

Cryptographic system, cryptographic communication method, encryption apparatus, key generation apparatus, decryption apparatus, content server, program, and storage medium

TAKAHASHI GEN

Finite field calculation apparatus, finite field calculation method and recording medium

NTT INC

Communication system, information processing apparatus, communication method and program