Inventor

Bartley C. Johnson

Inventor
North Andover, MA, US

Overview

35→
Patents
1990–2021
Patent span
Physics
Primary field (CPC G)

Patents· 35 as inventor

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

G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions31%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light21%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
A61BDiagnosis10%
G02BOptical elements, systems or apparatus4%
H01LSemiconductor devices4%
G01DMeasuring not specially adapted for a specific variable3%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
H04BTransmission3%
PatentTitleYear
11,092,426Integrated optical coherence analysis system202110,855,053OCT system with bonded MEMS tunable mirror VCSEL swept source202010,393,502Real time FPGA resampling for swept source optical coherence tomography201910,371,499Laser swept source with controlled mode locking for OCT medical imaging201910,184,783Optical coherence tomography laser with integrated clock201910,161,738OCT swept laser with cavity length compensation201810,109,979OCT system with bonded MEMS tunable mirror VCSEL swept source20189,869,542'System and method for resampling optical coherence tomography signals in segments'20189,791,261'Optical coherence tomography laser with integrated clock'20179,772,177'Integrated optical coherence analysis system'20179,593,934'Integrated dual swept source for OCT medical imaging'20179,574,869'Integrated dual swept source alternating same scan band for OCT medical imaging'20179,441,944'Regenerative mode locked laser swept source for OCT medical imaging'20169,417,051'Optical coherence tomography laser with integrated clock'20169,310,182'Spectral filtering of k-clock signal in OCT system and method'20169,243,885'Multi-speed OCT swept source with optimized k-clock'20168,953,167'OCT system with tunable clock system for flexible data acquisition'20158,836,953'OCT system with phase sensitive interference signal sampling'20148,687,666'Integrated dual swept source for OCT medical imaging'20148,665,450'Integrated dual swept source for OCT medical imaging'20148,564,783'Optical coherence tomography laser with integrated clock'20138,457,440'Method and system for background subtraction in medical optical coherence tomography system'20138,259,303'OCT combining probes and integrated systems'20128,139,226'Soft clock delay for OCT system and method therefor'20127,671,981'System for spectroscopic carpet identification'20106,639,922'Wavelength locker and optical system using the same'20036,597,836'Optical phased array control system'20036,233,085'Apparatus, method, and computer program product for controlling an interferromic phased array'20016,204,920'Optical fiber sensor system'20016,061,170'Dual frequency laser amplifier array and operating method therefor'20005,761,351'Wavelength-addressable optical time-delay network and phased array antenna incorporating the same'19985,696,579'Method, apparatus and system for determining the differential rate of change of strain'19975,589,641'Strain and fabry-perot etalon measurement system and method'19965,063,426'InP/InGaAs monolithic integrated photodetector and heterojunction bipolar transistor'19914,918,396'Monitoring and/or control of optical amplifiers'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Based in Cranbury, NJ, US· patent location history
1996–2001Patents assigned to MC DONNELL DOUGLAS CORP (5)· patent assignee history
1996–2001Based in Clayton, MO, US· patent location history
2001Based in St. Louis, MO, US· patent location history
2003–2021Based in North Andover, MA, US· patent location history
2010–2021Patents assigned to AXSUN TECH INC (18)· patent assignee history
2012–2019Patents assigned to JOHNSON BARTLEY C (9)· patent assignee history
2012–2019Patents assigned to FLANDERS DALE C (6)· patent assignee history
2016–2019Patents assigned to AXSUN TECH LLC (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AXSUN TECH INC182010–2021
AXSUN TECH LLC92016–2019
JOHNSON BARTLEY Cself92012–2019
FLANDERS DALE C62012–2019
MC DONNELL DOUGLAS CORP51996–2001
Locations
LocationPatentsSpan
North Andover, Massachusetts, US272003–2021
Clayton, MO, US51996–2001
Cranbury, New Jersey, US21990–1991
St. Louis, MO, US12001