Inventor

SAKAMURA KEN

JP43 patents

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

SAKAMURA KEN

SAKAMURA KEN

IC card and authentication method in electronic ticket distribution system

IC card and authentication method in electronic ticket distribution system

IC card, terminal device, and data communication method

Autonomous integrated-circuit card

Data communication apparatus and data communication method

Data processing system having apparatus for increasing the execution speed of bit field instructions

Data processing system having apparatus for increasing the execution speed of bit field instructions

Method of searching a queue in response to a search instruction

Microprocessor having apparatus for dynamically controlling a kind of operation to be performed by instructions to be executed

Electronic value transfer device equipped with non-contact IC interface

Connection information management system for managing connection information used in communications between IC cards

Electronic value exchange system, mobile terminal, and electronic value exchange method

Data processing device and data processing method

MITSUBISHI ELECTRIC CORP

Multiple address-space data processor with addressable register and context switching

Exception, interrupt, and trap handling apparatus which fetches addressing and context data using a single instruction following an interrupt

System for processing data having different formats

Data processor

Instruction format with sequentially performable operand address extension modification

Data processor for invalidating prefetched instruction or branch history information

Access privilege-checking apparatus and method

Bit string data processor using dynamically addressable bit locations in memory so overlapping strings do not destroy data in memory

Data processor implementing a two&#39;s complement addressing technique

Data processor

Data processor implementing a two&#39;s complement addressing technique

Apparatus and method for processing literal operand computer instructions

NTT DOCOMO INC

IC card and access control method

Communication terminal, portable terminal, circulating server, providing server, electronic book distributing method, and electronic book distributing program

Terminal equipment

Electronic value exchange system and electronic value exchange method

Connection information management system for managing connection information used in communications between IC cards

MIYAZAKI SHINGO

Cryptographic management apparatus, decryption management apparatus and program

Software module management device and program

Cryptographic module management apparatus, method, and program

Cryptographic module distribution system, apparatus, and program

MATSUMOTO HISANORI

Antenna for wireless communication

Antenna for wireless communication

Antenna for wireless communication

HITACHI LTD

Method of searching a queue in response to a search instruction

Method of searching a queue in response to a search instruction

YAMAHA CORP

Token-ring-type local area network

PANAFACOM LTD

Data processing system having an integrated stack and register machine architecture

TOSHIBA SOLUTIONS CORP

Cryptographic module selecting device and program

MITSUBIHSI ELECTRIC CORP

Data processor with I/O area detection

Data processor implementing a two's complement addressing technique

Data processor implementing a two's complement addressing technique