P

Inventor

DRERUP BERNARD CHARLES

US39 patents
⚠️ This page may combine multiple inventors who share the name “DRERUP BERNARD CHARLES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

34 patents
US5740364AApr 14, 1998

System and method for controlling data transfer between multiple interconnected computer systems with a portable input device

IBM69 citations96
US5898885AApr 27, 1999

Method and system for executing a non-native stack-based instruction within a computer system

IBM93 citations95
US5875336AFeb 23, 1999

Method and system for translating a non-native bytecode to a set of codes native to a processor within a computer system

IBM89 citations94
US7647435B2Jan 12, 2010

Data communication method and apparatus utilizing credit-based data transfer protocol and credit loss detection mechanism

IBM20 citations92
US7136954B2Nov 14, 2006

Data communication method and apparatus utilizing credit-based data transfer protocol and credit loss detection mechanism

IBM25 citations92
US6826656B2Nov 30, 2004

Reducing power in a snooping cache based multiprocessor environment

IBM35 citations92
US5898850AApr 27, 1999

Method and system for executing a non-native mode-sensitive instruction within a computer system

IBM37 citations91
US5652848AJul 29, 1997

Low latency cadence selectable interface for data transfers between busses of differing frequencies

IBM35 citations86
US7882278B2Feb 1, 2011

Utilizing programmable channels for allocation of buffer space and transaction control in data communications

IBM10 citations84
US7669013B2Feb 23, 2010

Directory for multi-node coherent bus

IBM9 citations84
US7493426B2Feb 17, 2009

Data communication method and apparatus utilizing programmable channels for allocation of buffer space and transaction control

IBM10 citations84
US7249207B2Jul 24, 2007

Internal data bus interconnection mechanism utilizing central interconnection module converting data in different alignment domains

IBM14 citations84
US7035958B2Apr 25, 2006

Re-ordering a first request within a FIFO request queue to a different queue position when the first request receives a retry response from the target

IBM15 citations84
US6834378B2Dec 21, 2004

System on a chip bus with automatic pipeline stage insertion for timing closure

IBM15 citations84
US7127562B2Oct 24, 2006

Ensuring orderly forward progress in granting snoop castout requests

IBM12 citations83
US7996614B2Aug 9, 2011

Cache intervention on a separate data bus when on-chip bus has separate read and write data busses

IBM9 citations82
US7277974B2Oct 2, 2007

Data communication method and apparatus utilizing credit-based data transfer protocol and credit loss detection mechanism

IBM5 citations74
US6973520B2Dec 6, 2005

System and method for providing improved bus utilization via target directed completion

IBM8 citations73
US6907502B2Jun 14, 2005

Method for moving snoop pushes to the front of a request queue

IBM10 citations73
US7865644B2Jan 4, 2011

Method and apparatus for attaching multiple slave devices to a single bus controller interface while supporting command pipelining

IBM3 citations63
US7505405B2Mar 17, 2009

Method, apparatus, and computer program product for optimizing packet flow control through buffer status forwarding

IBM2 citations63
US7328312B2Feb 5, 2008

Method and bus prefetching mechanism for implementing enhanced buffer control

IBM2 citations63
US6807608B2Oct 19, 2004

Multiprocessor environment supporting variable-sized coherency transactions

IBM2 citations63
US7174410B2Feb 6, 2007

Method, apparatus and computer program product for write data transfer

IBM2 citations62
US6985972B2Jan 10, 2006

Dynamic cache coherency snooper presence with variable snoop latency

IBM3 citations62
US6801977B2Oct 5, 2004

Method and apparatus for passing messages through a bus-to-bus bridge while maintaining ordering

IBM5 citations62
US7526595B2Apr 28, 2009

Data path master/slave data processing device apparatus and method

IBM3 citations61
US7003064B2Feb 21, 2006

Method and apparatus for periodic phase alignment

IBM4 citations60
US6819726B2Nov 16, 2004

Dynamic phase alignment circuit

IBM4 citations60
US7725660B2May 25, 2010

Directory for multi-node coherent bus

IBM1 citations52
US7490201B2Feb 10, 2009

Method and bus prefetching mechanism for implementing enhanced buffer control

IBM0 citations52
US7296175B2Nov 13, 2007

System on a chip bus with automatic pipeline stage insertion for timing closure

IBM1 citations52
US7934042B2Apr 26, 2011

Voltage indicator signal generation system and method

IBM0 citations51
US7707347B2Apr 27, 2010

Data path master/slave data processing device apparatus

IBM0 citations51

DRERUP BERNARD CHARLES

2 patents

BIRMIWAL PARAG

2 patents

ARIMILLI LAKSHMINARAYANA BABA

1 patent