Inventor

TAKENAKA MASAHIKO

JP92 patents

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

TAKENAKA MASAHIKO

FUJITSU LTD

Communication method, node, and network system

Moving-picture encipherment method and system, and enciphered moving-picture decipherment method and system

Encoder and decoder

Method and device for utilizing data content

Software charging system and software data utilization permitting device

Modular arithmetic operation system

Encryption secured against DPA

Remainder calculating method, modular-multiplication method, remainder calculating apparatus, modular-multiplication apparatus and recording medium

Software license protection via cryptography

Prime number generation apparatus B-smoothness judgement apparatus and computer memory product

File protection system, software utilization system using the file protection system and storage medium used in the software utilization system

Apparatus and method for detecting cyber attacks from communication sources

Encryption processing device and authentication method

Authentication method, authentication system, and authentication chip using common key cryptography

Key setting method, node, and network system

Key setting method, node, and network system

Method and apparatus for digital signature authentication, and computer product

Digital document management system, digital document management method, and digital document management program

Elliptic curve cryptosystem apparatus, elliptic curve cryptosystem method, elliptic curve cryptosystem program and computer readable recording medium storing the elliptic curve cryptosystem program

Tamper-proof elliptic encryption with private key

Encryption operating apparatus and method having side-channel attack resistance

Extended key preparing apparatus, extended key preparing method, recording medium and computer program

Data processing apparatus

Computer-readable recording medium storing access rights management program, access rights management apparatus, and access rights management method

Method, apparatus, and computer program for managing access to documents

Routing method and network transmission apparatus

Information access system and active-type contactless information storage device

Network virus activity detecting system, method, and program, and storage medium storing said program

Semiconductor integrated circuit, authentication system, and authentication method

Mutual authentication method and authentication apparatus

Information processing method, computer-readable recording medium, and information processing apparatus

Encryption processing method, encryption processing device, and computer-readable recording medium storing program for encryption processing

Authentication device, system and method

Routing method and network transmission apparatus

Monitoring apparatus and method

Log analysis device and method

HONDA MOTOR CO LTD

Trunk storage system for small vehicles

Engine mounting structure of low floor type vehicle

Side stand switch

Saddle-ride electric vehicle

Saddle-ride type electric vehicle

Exhaust pipe structure of vehicle with low floor

Window washer for a light vehicle

YOSHIOKA TAKASHI

Digital document management system, digital document management method, and digital document management program

Electronic image data verification program, electronic image data verification system, and electronic image data verification method

ITOH KOUICHI

Encrypting apparatus for common key cipher

SASAGE TAIKI

Saddle-ride electric vehicle

IZU TETSUYA

Data processing apparatus and digital signature method

SHINDE YASUO

Saddle-ride-type electrically operated vehicle

TAKENAKA MASAHIKO

Cryptographic processing method, computer readable storage medium, and cryptographic processing device