Inventor

Joshua E. Rothenberg

Inventor
Los Angeles, CA, US

Overview

37→
Patents
2003–2020
Patent span
Physics
Primary field (CPC G)

Patents· 37 as inventor

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

H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light42%
G02BOptical elements, systems or apparatus37%
B23KSoldering or unsoldering5%
F41HArmour3%
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%
G01MTesting static or dynamic balance of machines or structures2%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices2%
H04BTransmission2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
10,859,348System for active telescope alignment, focus and beam control202010,763,635Low noise FM fiber laser amplifier202010,756,504Spectrally compensated fiber amplifier system202010,705,269Fabrication method of a diffractive optic for hybrid coherent and spectral beam combination202010,520,360Automated power-in-the-bucket measurement apparatus for large aperture laser systems201910,267,992Fiber launcher20199,735,537'Hybrid spectral and coherent beam combiner utilizing 1D fiber arrays'20179,417,366'Hybrid diffractive optical element and spectral beam combination grating'20169,036,252'Nonlinear spectrally narrowed fiber amplifier'20158,958,145'Fiber amplifier system including tapered fiber bundle and combined lens and sampling grating'20158,830,566'Multi-channel fiber laser amplifier combining apparatus including integrated spectral beam combination and a tapered fiber bundle having multiple fiber outputs'20148,514,485'Passive all-fiber integrated high power coherent beam combination'20138,488,235'Multi-channel fiber laser amplifier combining apparatus including a tapered fiber bundle having multiple fiber outputs'20138,184,363'All-fiber integrated high power coherent beam combination'20128,184,361'Integrated spectral and all-fiber coherent beam combination'20127,821,900'Diffractive optical element and method of designing the same'20107,539,224'Scalable zig-zag laser amplifier'20097,486,852'Apparatus and method for suppression of stimulated brillouin scattering in an optical fiber'20097,468,832'Method and system for coherent beam combining using an integrated diffractive beam combiner and sampler'20087,466,731'High efficiency, high power cryogenic laser system'20087,440,174'Coherent fiber diffractive optical element beam combiner'20087,436,588'Method and system for hybrid coherent and incoherent diffractive beam combining'20087,346,085'Multi-stage method and system for coherent diffractive beam combining'20087,339,727'Method and system for diffractive beam combining using DOE combiner with passive phase control'20087,336,363'Interferometric beam combination'20087,280,571'Scalable zig-zag laser amplifier'20077,123,634'Zig-zag laser amplifier with polarization controlled reflectors'20067,120,175'Scalable harmonic laser source and method'20067,068,884'Apodized fiber bragg grating and improved phase mask, method and system for making the same'20067,065,110'Scalable wavelength shifted laser source and method'20066,833,954'Lithographic method for manufacturing a mask used in the fabrication of a fiber Bragg grating'20046,778,733'Lithographic fabrication of phase mask for fiber Bragg gratings'20046,751,381'Embodying amplitude information into phase masks'20046,707,967'Efficient sampled bragg gratings for WDM applications'20046,654,521'Diffraction compensation of FBG phase masks for multi-channel sampling applications'20036,647,180'Tunable optical dispersion by using two fiber Bragg gratings with nonlinear group delays'20036,532,074'Free-space diffraction measurement of a phase mask for fabrication of a waveguide Bragg grating'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2006Patents assigned to TERAXION INC (8)· patent assignee history
2003–2004Based in San Jose, CA, US· patent location history
2003–2004Based in Fremont, CA, US· patent location history
2004Based in Palo Alto, CA, US· patent location history
2006–2009Patents assigned to NORTHROP GRUMMAN CORP (13)· patent assignee history
2006–2020Based in Los Angeles, CA, US· patent location history
2010–2020Patents assigned to NORTHROP GRUMMAN SYSTEMS CORP (16)· patent assignee history
2012–2014Patents assigned to ROTHENBERG JOSHUA ELLIOTT (5)· patent assignee history
2012–2014Patents assigned to CHEUNG ERIC CHIU TAT (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NORTHROP GRUMMAN SYSTEMS CORP162010–2020
NORTHROP GRUMMAN CORP132006–2009
TERAXION INC82003–2006
ROTHENBERG JOSHUA ELLIOTTself52012–2014
CHEUNG ERIC CHIU TAT22012–2014
Locations
LocationPatentsSpan
Los Angeles, California, US302006–2020
San Jose, California, US42003–2004
Fremont, California, US22003–2004
Palo Alto, California, US12004