Inventor
KAWASAKI IKUYA
JP43 patents
⚠️ This page may combine multiple inventors who share the name “KAWASAKI IKUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
36 patentsUS5835963ANov 10, 1998
Processor with an addressable address translation buffer operative in associative and non-associative modes
HITACHI LTD171 citations99
US5796978AAug 18, 1998
Data processor having an address translation buffer operable with variable page sizes
HITACHI LTD133 citations99
US5778237AJul 7, 1998
Data processor and single-chip microcomputer with changing clock frequency and operating voltage
HITACHI LTD406 citations98
US5774701AJun 30, 1998
Microprocessor operating at high and low clok frequencies
HITACHI LTD135 citations98
US6047354AApr 4, 2000
Data processor for implementing virtual pages using a cache and register
HITACHI LTD62 citations96
US6038661AMar 14, 2000
Single-chip data processor handling synchronous and asynchronous exceptions by branching from a first exception handler to a second exception handler
HITACHI LTD59 citations96
US5907867AMay 25, 1999
Translation lookaside buffer supporting multiple page sizes
HITACHI LTD59 citations95
US5848247ADec 8, 1998
Microprocessor having PC card interface
HITACHI LTD80 citations95
US4894768AJan 16, 1990
Data processing system with coprocessor
HITACHI LTD56 citations94
US6665807B1Dec 16, 2003
Information processing apparatus
HITACHI LTD23 citations93
US6425039B2Jul 23, 2002
Accessing exception handlers without translating the address
HITACHI LTD42 citations93
US5564041AOct 8, 1996
Microprocessor for inserting a bus cycle in an instruction set to output an internal information for an emulation
HITACHI LTD34 citations93
US5278962AJan 11, 1994
System for logical address conversion data fetching from external storage and indication signal for indicating the information externally
HITACHI LTD42 citations93
US4954942ASep 4, 1990
Software debugging system for writing a logical address conversion data into a trace memory of an emulator
HITACHI LTD38 citations93
US4897787AJan 30, 1990
Data processing system
HITACHI LTD25 citations93
US6049844AApr 11, 2000
Microprocessor having a PC card type interface
HITACHI LTD23 citations92
US5193159AMar 9, 1993
Microprocessor system
HITACHI LTD44 citations92
US4845614AJul 4, 1989
Microprocessor for retrying data transfer
HITACHI LTD40 citations92
US4989140AJan 29, 1991
Single chip pipeline data processor using instruction and operand cache memories for parallel operation of instruction control and executions unit
HITACHI LTD21 citations82
US6539444B1Mar 25, 2003
Information processing apparatus having a bus using the protocol of the acknowledge type in the source clock synchronous system
HITACHI LTD11 citations74
US6272596B1Aug 7, 2001
Data processor
HITACHI LTD3 citations74
US5206945AApr 27, 1993
Single-chip pipeline processor for fetching/flushing instruction/data caches in response to first/second hit/mishit signal respectively detected in corresponding to their logical addresses
HITACHI LTD15 citations74
US6792493B2Sep 14, 2004
Data processing system having a card type interface with assigned addressing
HITACHI LTD10 citations73
US6594720B1Jul 15, 2003
Data processing system having a PC card type interface with assigned addressing
HITACHI LTD11 citations73
US5974533AOct 26, 1999
Data processor
HITACHI LTD1 citations63
US5809274ASep 15, 1998
Purge control for ON-chip cache memory
HITACHI LTD2 citations63
US5349672ASep 20, 1994
Data processor having logical address memories and purge capabilities
HITACHI LTD3 citations63
US5220670AJun 15, 1993
Microprocessor having ability to carry out logical operation on internal bus
HITACHI LTD6 citations63
US5187782AFeb 16, 1993
Data processing system
HITACHI LTD4 citations63
US5129075AJul 7, 1992
Data processor with on-chip logical addressing and off-chip physical addressing
HITACHI LTD2 citations63
US4954943ASep 4, 1990
Data processing system
HITACHI LTD4 citations63
US5170474ADec 8, 1992
Method of searching a queue in response to a search instruction
HITACHI LTD6 citations62
US7100055B2Aug 29, 2006
Information storage system, information transfer system and storage medium thereof
HITACHI LTD1 citations52
US6779102B2Aug 17, 2004
Data processor capable of executing an instruction that makes a cache memory ineffective
HITACHI LTD0 citations52
US5680631AOct 21, 1997
Data processor with on-chip cache memory and purge controller responsive to external signal for controlling access to the cache memory
HITACHI LTD0 citations52
US5073856ADec 17, 1991
Method of searching a queue in response to a search instruction
HITACHI LTD1 citations51
SAKAMURA KEN
4 patentsUS5210835AMay 11, 1993
Data processing system having apparatus for increasing the execution speed of bit field instructions
SAKAMURA KEN8 citations73
US4941085AJul 10, 1990
Data processing system having apparatus for increasing the execution speed of bit field instructions
SAKAMURA KEN9 citations73
US4926321AMay 15, 1990
Method of searching a queue in response to a search instruction
SAKAMURA KEN9 citations73
US5398319AMar 14, 1995
Microprocessor having apparatus for dynamically controlling a kind of operation to be performed by instructions to be executed
SAKAMURA KEN5 citations62