Inventor

Philip J. Bos

Inventor

Hudson, OH, US

Overview

1986–2020

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.

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein60%

G02BOptical elements, systems or apparatus13%

C09KMaterials for miscellaneous applications, not provided for elsewhere12%

G09GArrangements or circuits for control of indicating devices using static means to present variable information6%

H04NPictorial communication, e.g. television4%

A63FCard, board, or roulette games2%

H04BTransmission2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

10,634,881Compact non-mechanical zoom lens having focal lengths dependent upon left- or right-handedness of circularly polarized light2020 10,545,344Stereoscopic display with reduced accommodation fatique2020 10,459,293Methods and apparatus for liquid crystal photoalignment2019 9,323,113'Tunable electro-optic liquid crystal lenses having resistive bridges and methods for forming the lenses'2016 9,280,020'Tunable electrode-optic liquid crystal lenses having resistive bridges and methods for forming the lenses'2016 9,261,745'Fast response optical devices by double liquid crystal cells structure'2016 8,654,281'Photo-patterned pre-tilt liquid crystal cells, lenses and methods'2014 8,531,646'Tunable liquid crystal devices, devices using same, and methods of making and using same'2013 8,300,189'Liquid crystal device and methods thereof'2012 8,237,910'Polarization independent liquid crystal-based etalon and devices using same'2012 7,733,452'Materials for promoting alignment of liquid crystals on SiOx and other substrates'2010 7,289,189'Birefringent filter-based color generation scheme for a passive matrix display device'2007 6,924,870'Liquid crystal on silicon diffractive light valve'2005 6,583,838'Bistable liquid crystal display device using polymer stabilization'2003 6,278,429'Bistable reflective cholesteric liquid crystal displays utilizing super twisted nematic driver chips'2001 6,141,074'Four domain pixel for liquid crystalline light modulating device'2000 6,133,975'Bistable liquid crystal display device using polymer stabilization'2000 5,831,700'Polymer stabilized four domain twisted nematic liquid crystal display'1998 5,825,448'Reflective optically active diffractive device'1998 5,766,694'Method for forming uniformly-spaced plastic substrate liquid crystal displays'1998 5,748,277'Dynamic drive method and apparatus for a bistable liquid crystal display'1998 5,714,970'Switchable color filter using electrically controllable optical retarders'1998 5,638,201'Optically active diffractive device'1997 5,606,442'Low electro-optic threshold liquid crystal cell and method of fabricating same'1997 5,550,662'Color liquid crystal display having a wide viewing angle'1996 5,410,422'Gray scale liquid crystal display having a wide viewing angle'1995 5,387,920'Switchable color filter and field sequential full color display system incorporating same'1995 5,187,603'High contrast light shutter system'1993 5,015,057'Liquid crystal fiber optic attenuator and process for making same'1991 4,979,235'Polarization controller for use in optical fiber communication system'1990 4,900,132'Chiral liquid crystal cell'1990 4,870,398'Drive waveform for ferroelectric displays'1989 4,719,507'Stereoscopic imaging system with passive viewing apparatus'1988 4,652,087'Method and apparatus for reducing optical cross talk in a liquid crystal optical switch'1987 4,635,051'High-speed electro-optical light gate and field sequential full color display system incorporating same'1987 4,582,396'Field sequential color display system using optical retardation'1986 4,566,758'Rapid starting, high-speed liquid crystal variable optical retarder'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1998Patents assigned to TEKTRONIX INC (15)· patent assignee history

1986–1998Based in Portland, OR, US· patent location history

1990–1997Based in Beaverton, OR, US· patent location history

1997–2020Based in Hudson, OH, US· patent location history

1998–2020Patents assigned to UNIV KENT STATE OHIO (20)· patent assignee history

2012–2016Patents assigned to BOS PHILIP J (4)· patent assignee history

2014–2016Patents assigned to BOS PHILIP (2)· patent assignee history

2020Patents assigned to INTEL CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNIV KENT STATE OHIO	20	1998–2020
TEKTRONIX INC	15	1986–1998
BOS PHILIP Jself	4	2012–2016
BOS PHILIPself	2	2014–2016
INTEL CORP	2	2020

Locations

Location	Patents	Span
Hudson, OH, US	22	1997–2020
Portland, OR, US	9	1986–1998
Beaverton, OR, US	6	1990–1997