Inventor

ARAKAWA FUMIO

JP43 patents

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

ARAKAWA FUMIO

HITACHI LTD

Data processor and data processing system

Data processor and data processing system having two translation lookaside buffers

Data processor and data processing system

Multiply-add unit and data processing apparatus using it

Data processor and method utilizing coded no-operation instructions

Data processor with the ability of fast partial clearing of buffer memory

Data processor having an execution unit controlled by an instruction decoder and a microprogram ROM

Data processor and data processor system having multiple modes of address indexing and operation

Data processor and data processing system

Multiply-add unit and data processing apparatus using it

Branching system for return from subroutine using target address in return buffer accessed based on branch type information in BHT

Microprocessor capable of decoding two instructions in parallel

Microprocessor, network system and communication method

Semiconductor device including a prediction circuit to control a power status control circuit which controls the power status of a function circuit

SIMD operation system capable of designating plural registers via one register designating field

Floating point computing unit

Multithread processor

Data processing device and semiconductor device

Microprocessor having ability to carry out logical operation on internal bus

Semiconductor integrated circuit including multiple basic cells formed in arrays

Data processor

Data processor

RENESAS TECH CORP

Vector SIMD processor

Logic circuit whose power switch is quickly turned on and off

Data processor and IP module for data processor

Processor having priority changing function according to threads

Data processor

Multimedia multiply-adder

Vector SIMD processor

Processor system having accelerator of Java-type of programming language

Logic circuit whose power switch is quickly turned on and off

Data processor

ARAKAWA FUMIO

Processing prefix code in instruction queue storing fetched sets of plural instructions in superscalar processor

Vector SIMD processor

Data processor with extended instruction code space including a prohibition combination pattern as a separate instruction

RISC processor with instruction executing on different size operand and prefix instruction identifying select flag update for respective size

Flag generation and use in processor with same processing for operation on small size operand as low order bits portion of operation on large size operand

RENESAS ELECTRONICS CORP

Data processor including prefix instruction selecting a flag out of a plurality of flags generated by a subsequent instruction operating on multiple operand sizes in parallel

Data processor selecting a flag out of a plurality of flags generated by an instruction operating on multiple operand sizes in parallel

Data processor selecting a flag out of a plurality of flags generated by an instruction operating on multiple operand sizes in parallel

Executing prefix code to substitute fixed operand in subsequent fixed register instruction

NAONO KEN

Vehicular control system and control method

PIONEER ELECTRONIC CORP

Tone arm assembly