Inventor
HARTWELL DAVID W
US22 patents
⚠️ This page may combine multiple inventors who share the name “HARTWELL DAVID W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIGITAL EQUIPMENT CORP
9 patentsUS5412788AMay 2, 1995
Memory bank management and arbitration in multiprocessor computer system
DIGITAL EQUIPMENT CORP100 citations95
US4864496ASep 5, 1989
Bus adapter module for interconnecting busses in a multibus computer system
DIGITAL EQUIPMENT CORP87 citations94
US6076129AJun 13, 2000
Distributed data bus sequencing for a system bus with separate address and data bus protocols
DIGITAL EQUIPMENT CORP27 citations92
US5666551ASep 9, 1997
Distributed data bus sequencing for a system bus with separate address and data bus protocols
DIGITAL EQUIPMENT CORP25 citations92
US5652861AJul 29, 1997
System for interleaving memory modules and banks
DIGITAL EQUIPMENT CORP32 citations91
US4979097ADec 18, 1990
Method and apparatus for interconnecting busses in a multibus computer system
DIGITAL EQUIPMENT CORP40 citations91
US5388222AFeb 7, 1995
Memory subsystem command input queue having status locations for resolving conflicts
DIGITAL EQUIPMENT CORP54 citations89
US4858234AAug 15, 1989
Method and apparatus for error recovery in a multibus computer system
DIGITAL EQUIPMENT CORP22 citations81
US4837767AJun 6, 1989
Bus adapter module with improved error recovery in a multibus computer system
DIGITAL EQUIPMENT CORP18 citations72
HEWLETT PACKARD DEVELOPMENT CO
7 patentsUS7200770B2Apr 3, 2007
Restoring access to a failed data storage device in a redundant memory system
HEWLETT PACKARD DEVELOPMENT CO71 citations98
US6738836B1May 18, 2004
Scalable efficient I/O port protocol
HEWLETT PACKARD DEVELOPMENT CO119 citations97
US6920516B2Jul 19, 2005
Anti-starvation interrupt protocol
HEWLETT PACKARD DEVELOPMENT CO33 citations90
US6826653B2Nov 30, 2004
Block data mover adapted to contain faults in a partitioned multiprocessor system
HEWLETT PACKARD DEVELOPMENT CO29 citations89
US8364851B2Jan 29, 2013
Scalable efficient I/O port protocol
HEWLETT PACKARD DEVELOPMENT CO13 citations83
US6701387B1Mar 2, 2004
Adaptive data fetch prediction algorithm
HEWLETT PACKARD DEVELOPMENT CO15 citations77
US7065169B2Jun 20, 2006
Detection of added or missing forwarding data clock signals
HEWLETT PACKARD DEVELOPMENT CO9 citations74