Inventor

Perry W. Lou

Inventor

Carlsbad, CA, US

Overview

28→

Patents

1978–2018

Patent span

Electricity

Primary field (CPC H)

Patents· 28 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H03Kprimary

H03KPulse technique30%

G05FSystems for regulating electric or magnetic variables20%

G11CStatic stores9%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems9%

H03FAmplifiers7%

H10DInorganic electric semiconductor devices7%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%

G06FElectric digital data processing4%

H01LSemiconductor devices2%

H03MCoding2%

PatentTitleYear

10,043,752Substrate contact using dual sided silicidation2018 9,397,654'Low power externally biased power-on-reset circuit'2016 9,385,595'Charge pump regulator circuit'2016 9,081,399'Charge pump regulator circuit with variable amplitude control'2015 9,041,370'Charge pump regulator circuit with a variable drive voltage ring oscillator'2015 8,975,943'Compact level shifter'2015 8,497,670'Charge pump regulator circuit for powering a variable load'2013 7,064,575'Method and system for adaptively controlling output driver impedance'2006 5,789,972'Regulated reference voltage generator having feedback to provide a stable voltage'1998 5,602,495'Apparatus for providing an output voltage with substantially identical rising and falling characteristics'1997 5,486,778'Input buffer for translating TTL levels to CMOS levels'1996 5,406,219'Differential-to-single-ended converter'1995 5,338,990'Regulated delay line'1994 5,227,714'Voltage regulator'1993 5,051,618'High voltage system using enhancement and depletion field effect transistors'1991 4,926,176'Self-timing analog-to-digital converting system'1990 4,841,252'System for compensating for offset voltages in comparators'1989 4,831,594'Process and device for refreshing an array of dynamic memory cells during precharge of the column lines'1989 4,656,369'Ring oscillator substrate bias generator with precharge voltage feedback control'1987 4,628,215'Drive circuit for substrate pump'1986 4,454,591'Interface system for bus line control'1984 4,447,881'Data processing system integrated circuit having modular memory add-on capacity'1984 4,325,169'Method of making CMOS device allowing three-level interconnects'1982 4,280,271'Three level interconnect process for manufacture of integrated circuit devices'1981 4,164,031'Memory system'1979 4,115,710'Substrate bias for MOS integrated circuit'1978 4,082,966'MOS detector or sensing circuit'1978 4,068,140'MOS source follower circuit'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1989Patents assigned to TEXAS INSTRUMENTS INC (11)· patent assignee history

1978–1984Based in Houston, TX, US· patent location history

1986–1987Based in Sugar Land, TX, US· patent location history

1989–1998Patents assigned to BROOKTREE CORP (8)· patent assignee history

1989–2018Based in Carlsbad, CA, US· patent location history

2015Patents assigned to SILANNA SEMICONDUCTOR USA INC (3)· patent assignee history

2016–2018Patents assigned to QUALCOMM INC (2)· patent assignee history

2016Patents assigned to QUALCOMM SWITCH CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TEXAS INSTRUMENTS INC	11	1978–1989
BROOKTREE CORP	8	1989–1998
SILANNA SEMICONDUCTOR USA INC	3	2015
QUALCOMM INC	2	2016–2018
QUALCOMM SWITCH CORP	2	2016

Locations

Location	Patents	Span
Carlsbad, California, US	18	1989–2018
Houston, Texas, US	8	1978–1984
Sugar Land, Texas, US	2	1986–1987