Inventor
SAWAMOTO HIDEO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “SAWAMOTO HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
25 patentsUS6430103B2Aug 6, 2002
Semiconductor integrated circuit device with memory banks and read buffer capable of storing data read out from one memory bank when data of another memory bank is outputting
HITACHI LTD115 citations97
US5499379AMar 12, 1996
Input/output execution apparatus for a plural-OS run system
HITACHI LTD63 citations96
US5109489AApr 28, 1992
I/o execution method for a virtual machine system and system therefor
HITACHI LTD54 citations95
US4885681ADec 5, 1989
I/O Execution method for a virtual machine system and system therefor
HITACHI LTD61 citations95
US4985828AJan 15, 1991
Method and apparatus for generating a real address multiple virtual address spaces of a storage
HITACHI LTD113 citations93
US6714477B2Mar 30, 2004
Semiconductor integrated circuit device with memory blocks and a write buffer capable of storing write data from an external interface
HITACHI LTD17 citations92
US6587927B2Jul 1, 2003
Data processor having cache memory
HITACHI LTD16 citations92
US6101596AAug 8, 2000
Information processor for performing processing without register conflicts
HITACHI LTD23 citations92
US5848432ADec 8, 1998
Data processor with variable types of cache memories
HITACHI LTD21 citations92
US5684729ANov 4, 1997
Floating-point addition/substraction processing apparatus and method thereof
HITACHI LTD28 citations92
US5392409AFeb 21, 1995
I/O execution method for a virtual machine system and system therefor
HITACHI LTD30 citations92
US5291445AMar 1, 1994
Semiconductor integrated circuit device
HITACHI LTD21 citations92
US5129071AJul 7, 1992
Address translation apparatus in virtual machine system using a space identifier field for discriminating datoff (dynamic address translation off) virtual machines
HITACHI LTD23 citations92
US5317710AMay 31, 1994
Invalidation of entries in a translation table by providing the machine a unique identification thereby disallowing a match and rendering the entries invalid
HITACHI LTD33 citations90
US6275902B1Aug 14, 2001
Data processor with variable types of cache memories and a controller for selecting a cache memory to be access
HITACHI LTD12 citations82
US5287475AFeb 15, 1994
Data processing apparatus operable in extended or unextended virtual address spaces without software modification
HITACHI LTD17 citations82
US5023777AJun 11, 1991
Information processing system using domain table address extension for address translation without software modification
HITACHI LTD20 citations82
US7240159B2Jul 3, 2007
Data processor having cache memory
HITACHI LTD4 citations74
US6848027B2Jan 25, 2005
Data processor having cache memory
HITACHI LTD4 citations74
US5426751AJun 20, 1995
Information processing apparatus with address extension function
HITACHI LTD11 citations74
US5396605AMar 7, 1995
Buffer storage control apparatus including a translation lookaside buffer and an improved address comparator layout arrangement
HITACHI LTD8 citations74
US5384738AJan 24, 1995
Semiconductor integrated circuit device
HITACHI LTD11 citations73
US5305458AApr 19, 1994
Multiple virtual storage system and address control apparatus having a designation table holding device and translation buffer
HITACHI LTD13 citations69
US4999770AMar 12, 1991
Command controlled multi-storage space protection key pretesting system permitting access regardless of test result if selected key is predetermined value
HITACHI LTD17 citations67
US6032229AFeb 29, 2000
Semiconductor memory device and information processor using the same
HITACHI LTD4 citations63