Inventor

Lowell E. Clark

Inventor

Phoenix, AZ, US

Overview

1977–1999

Patent span

Electricity

Primary field (CPC H)

Patents· 16 as inventor

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

H10Dprimary

H10DInorganic electric semiconductor devices54%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1027%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%

G01RMeasuring electric variables4%

H02HEmergency protective circuit arrangements4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

PatentTitleYear

5,927,993'Backside processing method'1999 5,781,392'Balanced overvoltage protector for a dual-wire system'1998 5,289,028'High power semiconductor device with integral on-state voltage detection structure'1994 5,281,832'Bidirectional two-terminal thyristor'1994 5,223,732'Insulated gate semiconductor device with reduced based-to-source electrode short'1993 5,178,370'Conductivity modulated insulated gate semiconductor device'1993 5,077,594'Integrated high voltage transistors having minimum transistor to transistor crosstalk'1991 5,032,878'High voltage planar edge termination using a punch-through retarding implant'1991 4,881,115'Bipolar semiconductor device having a conductive recombination layer'1989 4,837,177'Method of making bipolar semiconductor device having a conductive recombination layer'1989 4,394,678'Elevated edge-protected bonding pedestals for semiconductor devices'1983 4,125,415'Method of making high voltage semiconductor structure'1978 4,100,563'Semiconductor magnetic transducers'1978 4,086,610'High reliability epi-base radiation hardened power transistor'1978 4,047,218'Semiconductor devices with improved turn-off characteristics'1977 4,009,483'Implementation of surface sensitive semiconductor devices'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1999Patents assigned to MOTOROLA INC (15)· patent assignee history

1977–1998Based in Scottsdale, AZ, US· patent location history

1977Based in Paradise Valley, AZ, US· patent location history

1983–1999Based in Phoenix, AZ, US· patent location history

1998Patents assigned to TII IND INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MOTOROLA INC	15	1977–1999
TII IND INC	1	1998

Locations

Location	Patents	Span
Phoenix, AZ, US	10	1983–1999
Scottsdale, AZ, US	5	1977–1998
Paradise Valley, AZ, US	1	1977