Inventor
YAMAGUCHI SHINICHIRO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI SHINICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
15 patentsUS4839846AJun 13, 1989
Apparatus for performing floating point arithmetic operations and rounding the result thereof
HITACHI LTD91 citations96
US4811269AMar 7, 1989
Bit slice multiplication circuit
HITACHI LTD95 citations96
US5852728ADec 22, 1998
Uninterruptible clock supply apparatus for fault tolerant computer system
HITACHI LTD76 citations95
US5003458AMar 26, 1991
Suspended instruction restart processing system based on a checkpoint microprogram address
HITACHI LTD31 citations92
US5841963ANov 24, 1998
Dual information processing system having a plurality of data transfer channels
HITACHI LTD51 citations91
US5146569ASep 8, 1992
System for storing restart address of microprogram, determining the validity, and using valid restart address to resume execution upon removal of suspension
HITACHI LTD29 citations91
US6003116ADec 14, 1999
Multiplexed computer system with the capability to copy data from one processor memory to another
HITACHI LTD32 citations90
US6032265AFeb 29, 2000
Fault-tolerant computer system
HITACHI LTD18 citations80
US4967339AOct 30, 1990
Operation control apparatus for a processor having a plurality of arithmetic devices
HITACHI LTD11 citations73
US4896258AJan 23, 1990
Data processor provided with instructions which refer to both tagged and tagless data
HITACHI LTD16 citations73
US4841439AJun 20, 1989
Method for restarting execution interrupted due to page fault in a data processing system
HITACHI LTD18 citations73
US4764869AAug 16, 1988
Method and apparatus for controlling interruption in the course of instruction execution in a processor
HITACHI LTD17 citations73
US5517669AMay 14, 1996
Cyclic data communication system
HITACHI LTD12 citations72
US6453391B2Sep 17, 2002
Multiplexed computer system
HITACHI LTD7 citations71
US5737513AApr 7, 1998
Method of and system for verifying operation concurrence in maintenance/replacement of twin CPUs
HITACHI LTD10 citations69