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Inventor

Liang-Ju Lu

Inventor
Eden Prairie, MN, US

Overview

41→
Patents
1991–2016
Patent span
Physics
Primary field (CPC G)

Patents· 41 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus54%
Y10TTechnical subjects covered by former us classification21%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
H04BTransmission4%
G01FMeasuring volume, volume flow, mass flow or liquid level1%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light1%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure1%
G05BControl or regulating systems in general1%
H02NElectric machines not otherwise provided for1%
PatentTitleYear
9,383,524'Fiber connector and adapter'20168,870,466'Fiber connector and adapter'20148,186,890'Fiber connector and adapter'20127,977,924'Industrial process power scavenging device and method of deriving process device power from an industrial process'20117,874,738'Fiber connector and adapter'20117,812,466'Adjustable resonance frequency vibration power harvester'20107,654,749'Fiber connector and adapter'20107,503,702'Fiber connector and adapter'2009RE040622'Double ferrule SC connector and adapter'20097,409,867'Pressure sensor using light source'20087,384,201'Fiber connector and adapter'20087,359,584'Polarization beam separator and combiner'20087,246,950'Fiber connector and adapter'20077,206,479'Polarization beam separator and combiner'20077,118,288'Fiber connector and adapter'20066,996,312'Tunable fabry-perot filter'20066,910,807'Fiber connector and adapter'20056,895,161'Variable optical attenuator'20056,760,160'Fiber optic isolator for use with multiple-wavelength optical signals'20046,741,764'Polarization beam separator and combiner'20046,567,578'Fiber optic device operating at two or more wavelengths'20036,532,321'Fiber optic isolator for use with multiple-wavelength optical signals'20036,471,416'Fiber connector and adapter'20026,407,861'Adjustable optical circulator'20026,296,398'Fiber connector and adapter'20016,289,152'Multiple port, fiber optic coupling device'20016,246,807'Optical circulator'20016,167,174'Multiple port, fiber optic isolator'20006,154,581'Multiple port, fiber optic circulator'20006,142,676'Fiber connector and adaptor'20006,076,973'Fiber connector and adapter'20005,984,531'Fiber connector and adapter'19995,971,625'Double ferrule SC connector and adapter'19995,883,995'Fiber connector and adapter'19995,734,769'Optical fiber ferrule'19985,692,080'Double ferrule SC connector and adapter'19975,588,087'Overlapping fusion attenuator'19965,319,728'High return loss fixed attenuator'19945,319,733'Variable fiber optical attenuator'19945,305,405'Patch cord'19945,037,176'Optical switch with reduced reflection'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2014Patents assigned to ADC TELECOMMUNICATIONS INC (34)· patent assignee history
1991Based in Richfield, MN, US· patent location history
1994–2016Based in Eden Prairie, MN, US· patent location history
1998Based in Eden Praire, MN, US· patent location history
2003Patents assigned to ADC TELECOMM (1)· patent assignee history
2005–2011Patents assigned to ROSEMOUNT INC (5)· patent assignee history
2012–2014Patents assigned to LU LIANG-JU (2)· patent assignee history
2016Patents assigned to COMMSCOPE TECHNOLOGIES LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ADC TELECOMMUNICATIONS INC341991–2014
ROSEMOUNT INC52005–2011
LU LIANG-JUself22012–2014
ADC TELECOMM12003
COMMSCOPE TECHNOLOGIES LLC12016
Locations
LocationPatentsSpan
Eden Prairie, Minnesota, US391994–2016
Eden Praire, Minnesota, US11998
Richfield, Minnesota, US11991