Inventor
HOFMANN RICHARD G
US23 patents
⚠️ This page may combine multiple inventors who share the name “HOFMANN RICHARD G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
21 patentsUS5396602AMar 7, 1995
Arbitration logic for multiple bus computer system
IBM164 citations99
US5450551ASep 12, 1995
System direct memory access (DMA) support logic for PCI based computer system
IBM140 citations98
US5548786AAug 20, 1996
Dynamic bus sizing of DMA transfers
IBM128 citations96
US5642489AJun 24, 1997
Bridge between two buses of a computer system with a direct memory access controller with accessible registers to support power management
IBM65 citations95
US5621902AApr 15, 1997
Computer system having a bridge between two buses with a direct memory access controller and an alternative memory access controller
IBM80 citations95
US7603540B2Oct 13, 2009
Using field programmable gate array (FPGA) technology with a microprocessor for reconfigurable, instruction level hardware acceleration
IBM17 citations92
US7584345B2Sep 1, 2009
System for using FPGA technology with a microprocessor for reconfigurable, instruction level hardware acceleration
IBM34 citations92
US5623697AApr 22, 1997
Bridge between two buses of a computer system with a direct memory access controller having a high address extension and a high count extension
IBM35 citations92
US5561820AOct 1, 1996
Bridge for interfacing buses in computer system with a direct memory access controller having dynamically configurable direct memory access channels
IBM48 citations92
US5557758ASep 17, 1996
Bridge between two buses of a computer system that determines the location of memory or accesses from bus masters on one of the buses
IBM42 citations92
US5542053AJul 30, 1996
Bridge interface between two buses of a computer system with a direct memory access controller programmed by a scatter/gather programmer
IBM38 citations92
US5517650AMay 14, 1996
Bridge for a power managed computer system with multiple buses and system arbitration
IBM60 citations92
US5333274AJul 26, 1994
Error detection and recovery in a DMA controller
IBM52 citations92
US7065595B2Jun 20, 2006
Method and apparatus for bus access allocation
IBM21 citations91
US6970962B2Nov 29, 2005
Transfer request pipeline throttling
IBM13 citations82
US7089376B2Aug 8, 2006
Reducing snoop response time for snoopers without copies of requested data via snoop filtering
IBM8 citations72
US6976132B2Dec 13, 2005
Reducing latency of a snoop tenure
IBM8 citations72
US7093058B2Aug 15, 2006
Single request data transfer regardless of size and alignment
IBM6 citations70
US7685373B2Mar 23, 2010
Selective snooping by snoop masters to locate updated data
IBM0 citations51
US7395380B2Jul 1, 2008
Selective snooping by snoop masters to locate updated data
IBM0 citations51
US6993619B2Jan 31, 2006
Single request data transfer regardless of size and alignment
IBM1 citations48