P

Inventor

NGO HUNG C

US52 patents
⚠️ This page may combine multiple inventors who share the name “NGO HUNG C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

42 patents
US6515530B1Feb 4, 2003

Dynamically scalable low voltage clock generation system

IBM65 citations96
US7266707B2Sep 4, 2007

Dynamic leakage control circuit

IBM34 citations93
US6872991B1Mar 29, 2005

Low gate-leakage virtual rail circuit

IBM20 citations93
US7276932B2Oct 2, 2007

Power-gating cell for virtual power rail control

IBM39 citations92
US7219244B2May 15, 2007

Control circuitry for power gating virtual power supply rails at differing voltage potentials

IBM27 citations92
US6809602B2Oct 26, 2004

Multi-mode VCO

IBM22 citations92
US6690204B1Feb 10, 2004

Limited switch dynamic logic circuit

IBM37 citations92
US6675182B1Jan 6, 2004

Method and apparatus for performing rotate operations using cascaded multiplexers

IBM21 citations92
US6501304B1Dec 31, 2002

Glitch-less clock selector

IBM44 citations92
US6483888B1Nov 19, 2002

Clock divider with bypass and stop clock

IBM34 citations92
US5375223ADec 20, 1994

Single register arbiter circuit

IBM74 citations92
US7372305B1May 13, 2008

Scannable dynamic logic latch circuit

IBM15 citations84
US7323908B2Jan 29, 2008

Cascaded pass-gate test circuit with interposed split-output drive devices

IBM10 citations84
US7298176B2Nov 20, 2007

Dual-gate dynamic logic circuit with pre-charge keeper

IBM12 citations84
US7288975B2Oct 30, 2007

Method and apparatus for fail-safe and restartable system clock generation

IBM11 citations84
US7129754B2Oct 31, 2006

Controlled load limited switch dynamic logic circuitry

IBM13 citations84
US7046063B2May 16, 2006

Interface circuit for coupling between logic circuit domains

IBM12 citations84
US7002420B2Feb 21, 2006

Interleaved VCO with body voltage frequency range control

IBM18 citations84
US6963250B2Nov 8, 2005

Voltage controlled oscillator with selectable frequency ranges

IBM18 citations84
US6960939B2Nov 1, 2005

Limited switch dynamic logic circuit with keeper

IBM15 citations84
US6956793B2Oct 18, 2005

Phase clock selector for generating a non-integer frequency division

IBM19 citations84
US6919739B2Jul 19, 2005

Feedforward limited switch dynamic logic circuit

IBM15 citations84
US6888377B2May 3, 2005

Duo-mode keeper circuit

IBM13 citations84
US6529082B1Mar 4, 2003

Dual mode charge pump

IBM16 citations84
US5881274AMar 9, 1999

Method and apparatus for performing add and rotate as a single instruction within a processor

IBM17 citations84
US7057432B2Jun 6, 2006

Low power high frequency phase detector

IBM8 citations74
US6975134B2Dec 13, 2005

Buffer/driver circuits

IBM9 citations74
US6873188B2Mar 29, 2005

Limited switch dynamic logic selector circuits

IBM8 citations74
US7760565B2Jul 20, 2010

Wordline-to-bitline output timing ring oscillator circuit for evaluating storage array performance

IBM7 citations73
US7719315B2May 18, 2010

Programmable local clock buffer

IBM7 citations73
US5627774AMay 6, 1997

Parallel calculation of exponent and sticky bit during normalization

IBM6 citations73
US7810000B2Oct 5, 2010

Circuit timing monitor having a selectable-path ring oscillator

IBM5 citations63
US7487374B2Feb 3, 2009

Dynamic power and clock-gating method and circuitry with sleep mode based on estimated time for receipt of next wake-up signal

IBM3 citations63
US7061265B2Jun 13, 2006

Circuit for controlling leakage

IBM2 citations63
US6963629B2Nov 8, 2005

Adaptive phase locked loop

IBM6 citations63
US6940312B2Sep 6, 2005

Low switching power limited switch dynamic logic

IBM2 citations63
US7459950B2Dec 2, 2008

Pulsed local clock buffer (LCB) characterization ring oscillator

IBM5 citations62
US7284029B2Oct 16, 2007

4-to-2 carry save adder using limited switching dynamic logic

IBM6 citations62
US7525393B2Apr 28, 2009

Digital frequency multiplier circuit

IBM3 citations61
US7782092B2Aug 24, 2010

Cascaded pass-gate test circuit with interposed split-output drive devices

IBM0 citations52
US7216141B2May 8, 2007

Computing carry-in bit to most significant bit carry save adder in current stage

IBM0 citations51
US7587020B2Sep 8, 2009

High performance, low power, dynamically latched up/down counter

IBM1 citations50

CHANG LELAND

2 patents

FLEISCHER BRUCE M

2 patents

CHUANG CHING-TE K

2 patents

INTERNATIIONAL BUSINESS MACHIN

1 patent

CHEN LEI

1 patent

Showing the top 50 of 52 patents by PatentIndex Score.