Inventor

James E. West

Inventor

Plainfield, NJ, US

Overview

33→

Patents

1976–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 33 as inventor

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

H04Rprimary

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%

Y10TTechnical subjects covered by former us classification12%

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves6%

H01LSemiconductor devices6%

H10NElectric solid-state devices not otherwise provided for6%

G10KSound-producing devices5%

H04MTelephonic communication4%

A61BDiagnosis3%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general3%

D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons3%

PatentTitleYear

10,765,399Programmable electronic stethoscope devices, algorithms, systems, and methods2020 9,838,800PBLG based planar microphones2017 9,641,951'System and method for fast binaural rendering of complex acoustic scenes'2017 9,634,153'Sensor using sensing mechanism having combined static charge and field effect transistor'2017 9,484,524'Piezoelectric compositions'2016 9,362,481'Continuous piezoelectric film including polar polymer fibers'2016 8,946,974'Piezoelectric polymer fibers'2015 8,641,919'Piezoelectric compositions'2014 8,064,969'Method and apparatus for combined wired/wireless pop-out speakerphone microphone'2011 7,030,905'Real-time method and apparatus for tracking a moving object experiencing a change in direction'2006 6,751,322'Acoustic modeling system and method using pre-computed data structures for beam tracing and path generation'2004 5,848,172'Directional microphone'1998 5,838,786'Intelligent acoustic systems peripheral'1998 5,748,757'Collapsible image derived differential microphone'1998 5,586,191'Adjustable filter for differential microphones'1996 5,388,163'Electret transducer array and fabrication technique'1995 5,303,307'Adjustable filter for differential microphones'1994 5,093,570'Discriminating electret radioactivity detector system and method for measuring radon concentration'1992 4,965,775'Image derived directional microphones'1990 4,802,227'Noise reduction processing arrangement for microphone arrays'1989 4,742,548'Unidirectional second order gradient microphone'1988 4,675,906'Second order toroidal microphone'1987 4,612,145'Method for producing electret-containing devices'1986 4,598,590'Electret transducer for blood pressure measurement'1986 4,524,247'Integrated electroacoustic transducer with built-in bias'1985 4,434,327'Electret transducer with variable actual air gap'1984 4,429,192'Electret transducer with variable electret foil thickness'1984 4,429,193'Electret transducer with variable effective air gap'1984 4,429,191'Electret transducer with variably charged electret foil'1984 4,429,189'Electret transducer with a selectively metalized backplate'1984 4,248,808'Technique for removing surface and volume charges from thin high polymer films'1981 4,008,376'Loudspeaking teleconferencing circuit'1977 3,945,112'Technique for fabrication of foil electret'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1988Patents assigned to BELL TELEPHONE LABOR INC (9)· patent assignee history

1976–2017Based in Plainfield, NJ, US· patent location history

1981Based in Readington, NJ, US· patent location history

1985–1994Patents assigned to AT & T BELL LAB (6)· patent assignee history

1996–2006Patents assigned to LUCENT TECHNOLOGIES INC (6)· patent assignee history

2011–2016Patents assigned to WEST JAMES E (3)· patent assignee history

2014–2020Patents assigned to UNIV JOHNS HOPKINS (7)· patent assignee history

2014–2020Based in Baltimore, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BELL TELEPHONE LABOR INC	9	1976–1988
UNIV JOHNS HOPKINS	7	2014–2020
AT & T BELL LAB	6	1985–1994
LUCENT TECHNOLOGIES INC	6	1996–2006
WEST JAMES Eself	3	2011–2016

Locations

Location	Patents	Span
Plainfield, New Jersey, US	27	1976–2017
Baltimore, Maryland, US	5	2014–2020
Readington, New Jersey, US	1	1981