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 patentsUS5321845AJun 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