Inventor
Jayantilal S. Patel
Inventor
Red Bank, NJ, US
Overview
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein34%
H04BTransmission11%
G02BOptical elements, systems or apparatus10%
H04QSelecting7%
G01MTesting static or dynamic balance of machines or structures5%
G08BSignalling systems, e.g. personal calling systems4%
Y10TTechnical subjects covered by former us classification4%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
A61KPreparations for medical, dental or toiletry purposes1%
PatentTitleYear
8,395,782'Detection and location of boundary intrusion, using composite variables derived from phase measurements'20137,725,026'Phase responsive optical fiber sensor'20107,154,668'Wavelength dependent optical attenuator and variable attenuation profile controller'20067,142,736'Distributed fiber sensor with interference detection and polarization state management'20067,139,476'Distributed fiber sensor with detection and signal processing using polarization state management'20067,127,179'Polarization encoder device'20067,085,052'Over-parameterized polarization controller'20066,816,261'Polarization analysis unit, calibration method and optimization therefor'20046,611,342'Narrow band polarization encoder'20036,606,181'Optical power limiting control'20036,327,019'Dual liquid-crystal wavelength-selective optical switch'20016,252,644'Wedge-shaped liquid-crystal cell having nonlinear gap'20016,075,512'Temperature compensation of a wedge-shaped liquid-crystal cell'20005,841,500'Wedge-shaped liquid crystal cell'19985,701,168'Inverse twisted and super-twisted nematic liquid crystal device'1997RE035337'Temperature compensation of liquid-crystal etalon filters'19965,414,540'Frequency-selective optical switch employing a frequency dispersive element, polarization dispersive element and polarization modulating elements'19955,414,541'Optical switch employing first and second ferroelectric cells with alignment layers having alignment directions offset by 45.degree.'19955,207,862'Technique for epitaxial growth of oriented thin films of polydiacetylenes'19935,172,257'Twisted ferroelectric liquid crystal modulator for providing gray scale'19925,150,236'Tunable liquid crystal etalon filter'19925,132,824'Liquid-crystal modulator array'19925,113,275'Temperature compensation of liquid-crystal etalon filters'19925,111,321'Dual-polarization liquid-crystal etalon filter'19925,069,813'Electrically controlled polarization-independent liquid crystal fresnel lens'19915,068,749'Electronically tunable polarization-independent liquid crystal optical filter'19915,040,876'Liquid crystal light modulators with asymmetrical interfaces'19914,917,475'Flexoelectric liquid crystal device'19904,867,539'Ferroelectric liquid crystal devices'19894,776,674'Liquid crystal device with chemically-induced high-tilt alignment coating'19884,664,480'Alignment technique for liquid crystal devices'19874,561,726'Alignment of ferroelectric LCDs'19854,545,055'Error analyzer for data communicated by bus protocol'19854,257,295'Multiple purpose cutter apparatus'19814,256,427'Automatic wire stacker apparatus'19814,000,954'Automatic tool changing apparatus for drilling machines and the like'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1981Based in El Monte, CA, US· patent location history
1985–1990Patents assigned to AT & T BELL LAB (3)· patent assignee history
1985–1990Based in Scotch Plains, NJ, US· patent location history
1987–1989Patents assigned to AMERICAN TELEPHONE & TELEGRAPH (3)· patent assignee history
1991–1997Patents assigned to BELL COMMUNICATIONS RES (13)· patent assignee history
1991–1997Based in Red Bank, NJ, US· patent location history
1998–2001Patents assigned to TELLIUM INC (4)· patent assignee history
1998–2003Based in State College, PA, US· patent location history
2003–2013Patents assigned to OPTELLIOS INC (10)· patent assignee history
2003–2013Based in Newtown, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BELL COMMUNICATIONS RES | 13 | 1991–1997 |
| OPTELLIOS INC | 10 | 2003–2013 |
| TELLIUM INC | 4 | 1998–2001 |
| AMERICAN TELEPHONE & TELEGRAPH | 3 | 1987–1989 |
| AT & T BELL LAB | 3 | 1985–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Red Bank, New Jersey, US | 11 | 1991–1997 |
| Newtown, Pennsylvania, US | 9 | 2003–2013 |
| State College, Pennsylvania, US | 5 | 1998–2003 |
| Scotch Plains, New Jersey, US | 4 | 1985–1990 |
| El Monte, California, US | 3 | 1977–1981 |