P

Inventor

HAGIWARA YOSHIMUNE

JP31 patents
⚠️ This page may combine multiple inventors who share the name “HAGIWARA YOSHIMUNE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

30 patents
US5321845AJun 14, 1994

Single-chip microcomputer including non-volatile memory elements

HITACHI LTD56 citations96
US5175840ADec 29, 1992

Microcomputer having a PROM including data security and test circuitry

HITACHI LTD107 citations96
US4996659AFeb 26, 1991

Method of diagnosing integrated logic circuit

HITACHI LTD58 citations96
US4720811AJan 19, 1988

Microprocessor capable of stopping its operation at any cycle time

HITACHI LTD87 citations96
US4511990AApr 16, 1985

Digital processor with floating point multiplier and adder suitable for digital signal processing

HITACHI LTD126 citations96
US4455495AJun 19, 1984

Programmable semiconductor integrated circuitry including a programming semiconductor element

HITACHI LTD142 citations96
US4620292AOct 28, 1986

Arithmetic logic unit for floating point data and/or fixed point data

HITACHI LTD45 citations95
US4821187AApr 11, 1989

Processor capable of executing one or more programs by a plurality of operation units

HITACHI LTD32 citations93
US4752905AJun 21, 1988

High-speed multiplier having carry-save adder circuit

HITACHI LTD42 citations93
US5511211AApr 23, 1996

Method for flexibly developing a data processing system comprising rewriting instructions in non-volatile memory elements after function check indicates failure of required functions

HITACHI LTD29 citations92
US5426744AJun 20, 1995

Single chip microprocessor for satisfying requirement specification of users

HITACHI LTD48 citations92
US5117488AMay 26, 1992

Microprogram controlled microprocessor having a selectively expandable instruction code length including independent description of operand addressing and a type of operation for an operand by single instruction in a common coding scheme

HITACHI LTD26 citations92
US4958276ASep 18, 1990

Single chip processor

HITACHI LTD23 citations92
US4812969AMar 14, 1989

Address translation unit

HITACHI LTD32 citations92
US4945506AJul 31, 1990

High speed digital signal processor capable of achieving realtime operation

HITACHI LTD26 citations91
US5430885AJul 4, 1995

Multi-processor system and co-processor used for the same

HITACHI LTD35 citations88
US5784637AJul 21, 1998

Single-chip semiconductor integrated circuit device and microcomputer integrated on a semiconductor chip

HITACHI LTD14 citations82
US4740923AApr 26, 1988

Memory circuit and method of controlling the same

HITACHI LTD20 citations82
US4592006AMay 27, 1986

Adder for floating point data suitable for digital signal processing

HITACHI LTD20 citations81
US4534010AAug 6, 1985

Floating point type multiplier circuit with compensation for over-flow and under-flow in multiplication of numbers in two's compliment representation

HITACHI LTD24 citations81
US5428808AJun 27, 1995

Single-chip microcomputer

HITACHI LTD6 citations74
US5109492AApr 28, 1992

Microprocessor which terminates bus cycle when access address falls within a predetermined processor system address space

HITACHI LTD13 citations74
US4745581AMay 17, 1988

LSI system of a structure requiring no additional address signals to incorporate additional status registers into the system

HITACHI LTD8 citations73
US4577154AMar 18, 1986

Pulse width modulation circuit and integration circuit of analog product using said modulation circuit

HITACHI LTD9 citations73
US4270220AMay 26, 1981

Electronic tuning type television receiver

HITACHI LTD7 citations73
US5165086ANov 17, 1992

Microprocessor chip using two-level metal lines technology

HITACHI LTD8 citations72
US4967349AOct 30, 1990

Digital signal processor suitable for extacting minimum and maximum values at high speed

HITACHI LTD18 citations71
US4562424ADec 31, 1985

Circuit for integrating analog signal and converting it into digital signal

HITACHI LTD11 citations71
US4308596ADec 29, 1981

Memory driving method

HITACHI LTD4 citations63
US4809206AFeb 28, 1989

Information processing apparatus

HITACHI LTD1 citations52

HITACHI MICROCUMPUTER ENG

1 patent