Inventor
KAWASAKI SHUMPEI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “KAWASAKI SHUMPEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
29 patentsUS5930523AJul 27, 1999
Microcomputer having multiple bus structure coupling CPU to other processing elements
HITACHI LTD93 citations99
US6138226AOct 24, 2000
Logical cache memory storing logical and physical address information for resolving synonym problems
HITACHI LTD98 citations98
US5930833AJul 27, 1999
Logical cache memory storing logical and physical address information for resolving synonym problems
HITACHI LTD90 citations98
US5682545AOct 28, 1997
Microcomputer having 16 bit fixed length instruction format
HITACHI LTD64 citations97
US6748507B2Jun 8, 2004
Single-chip microcomputer with integral clock generating unit providing clock signals to CPU, internal circuit modules and synchronously controlling external dynamic memory
HITACHI LTD46 citations96
US6279063B1Aug 21, 2001
Microcomputer system with at least first and second microcomputers each operable in master and slave modes with configurable bus access control terminals and bus use priority controller
HITACHI LTD32 citations96
US6223265B1Apr 24, 2001
Single-chip microcomputer synchronously controlling external synchronous memory responsive to memory clock signal and clock enable signal
HITACHI LTD31 citations96
US5608881AMar 4, 1997
Microcomputer system for accessing hierarchical buses
HITACHI LTD71 citations96
US5530965AJun 25, 1996
Multiply connectable microprocessor and microprocessor system
HITACHI LTD76 citations96
US5327543AJul 5, 1994
System for selectively masking operand portions for processing thereof
HITACHI LTD92 citations96
US5832248ANov 3, 1998
Semiconductor integrated circuit having CPU and multiplier
HITACHI LTD60 citations95
US6324634B1Nov 27, 2001
Methods for operating logical cache memory storing logical and physical address information
HITACHI LTD32 citations93
US6591294B2Jul 8, 2003
Processing system with microcomputers each operable in master and slave modes using configurable bus access control terminals and bus use priority signals
HITACHI LTD16 citations92
US6272620B1Aug 7, 2001
Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation
HITACHI LTD22 citations92
US6212620B1Apr 3, 2001
Single-chip microcomputer operable in master and slave modes and having configurable bus control terminals
HITACHI LTD15 citations92
US5987589ANov 16, 1999
Microcomputer and microcomputer system
HITACHI LTD23 citations92
US5748977AMay 5, 1998
Multiply connectable microprocessor and microprocessor system
HITACHI LTD25 citations92
US6253308B1Jun 26, 2001
Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word
HITACHI LTD11 citations82
US6122724ASep 19, 2000
Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation
HITACHI LTD15 citations82
US5991545ANov 23, 1999
Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word
HITACHI LTD10 citations82
US5969976AOct 19, 1999
Division circuit and the division method thereof
HITACHI LTD16 citations82
US6735683B2May 11, 2004
Single-chip microcomputer with hierarchical internal bus structure having data and address signal lines coupling CPU with other processing elements
HITACHI LTD9 citations74
US5426742AJun 20, 1995
Microprocessor for supplying branch condition indicating signal in response to execution of conditional branch instruction
HITACHI LTD8 citations74
US5165033ANov 17, 1992
Microprocessor and data processor using the former
HITACHI LTD8 citations74
US5041969AAug 20, 1991
Microprocessor and data processor using the former
HITACHI LTD13 citations74
US6343357B1Jan 29, 2002
Microcomputer and dividing circuit
HITACHI LTD6 citations73
US6131154AOct 10, 2000
Microcomputer having variable bit width area for displacement
HITACHI LTD8 citations73
US5043869AAug 27, 1991
Storage area structure in information processor
HITACHI LTD11 citations73
US6205535B1Mar 20, 2001
Branch instruction having different field lengths for unconditional and conditional displacements
HITACHI LTD6 citations62