Inventor · disambiguated record
Peter P. Clark
Also filed as: CLARK PETER · CLARK PETER P · CLARK PETER PARKHILL
22 granted patents·2 pending applications·392 citations·filing 1976–2015
96Inventor score
Top patents by PatentIndex Score
24 records- 0190US6643390B1Compact fingerprint identification devicePOLAROID CORP·Filed 2000·Granted Nov 4, 2003·95 cites·4 claims
- 0289US5448323AClose-up lens assembly incorporating a photo-ranging systemPOLAROID CORP·Filed 1993·Granted Sep 5, 1995·36 cites·15 claims
- 0388US9161681B2Motionless adaptive stereoscopic scene capture with tuneable liquid crystal lenses and stereoscopic auto-focusing methodsGALSTIAN TIGRAN·Filed 2011·Granted Oct 20, 2015·8 cites·29 claims
- 0488US7477461B2Three-element photographic objective with reduced tolerance sensitivitiesFLEXTRONICS AP LLC·Filed 2006·Granted Jan 13, 2009·24 cites·17 claims
- 0588US4843494AData storage apparatus using optical servo tracksPOLAROID CORP·Filed 1987·Granted Jun 27, 1989·45 cites·32 claims
- 0680US9448456B2Tunable liquid crystal optical deviceASATRYAN KAREN·Filed 2013·Granted Sep 20, 2016·4 cites·9 claims
- 0778US4675531AOptical scanner having a multi-surfaced lens arrangement for producing a rotationally symmetric beamPOLAROID CORP·Filed 1985·Granted Jun 23, 1987·45 cites·28 claims
- 0877US8629932B2Autofocus system and methodGALSTIAN TIGRAN·Filed 2009·Granted Jan 14, 2014·6 cites·40 claims
- 0974US8854527B2Optical lens having fixed lenses and embedded active opticsAFSHARI BAHRAM·Filed 2010·Granted Oct 7, 2014·3 cites·30 claims
- 1072US9314148B2Motionless adaptive stereoscopic scene capture with tuneable liquid crystal lenses and stereoscopic auto-focusing methodsGALSTIAN TIGRAN·Filed 2011·Granted Apr 19, 2016·5 cites·25 claims
- 1169US9140920B2Method and apparatus for testing operation of an optical liquid crystal deviceAFSHARI BAHRAM·Filed 2010·Granted Sep 22, 2015·2 cites·37 claims
- 1267US6104533AViewfinder with diffractive optical elementPOLAROID CORP·Filed 1998·Granted Aug 15, 2000·9 cites·16 claims
- 1367US5315344AMicroscope cameraPOLAROID CORP·Filed 1991·Granted May 24, 1994·35 cites·11 claims
- 1466US4090790AApparatus for testing the refractive power(s) of lensesAMERICAN OPTICAL CORP·Filed 1976·Granted May 23, 1978·21 cites·9 claims
- 1559US10503042B2Methods and apparatus for focus improvement in multiple liquid crystal cell lensesLENSVECTOR INC·Filed 2014·Granted Dec 10, 2019·1 cites·31 claims
- 1656US5950020AFolding photographic method and apparatusPOLAROID CORP·Filed 1998·Granted Sep 7, 1999·6 cites·28 claims
- 1751US4952946AScanning beam position detecting apparatus for use in electronic printerPOLAROID CORP·Filed 1988·Granted Aug 28, 1990·11 cites·31 claims
- 1851US4720637AElectro-optical imaging system and lens thereforPOLAROID CORP·Filed 1986·Granted Jan 19, 1988·14 cites·4 claims
- 1948US2011090415A1Tunable liquid crystal optical deviceLENSVECTOR INC·Filed 2009·Application pending·0 cites
- 2047US9874774B2Method and apparatus for testing operation of an optical liquid crystal deviceLENSVECTOR INC·Filed 2015·Granted Jan 23, 2018·0 cites·14 claims
- 2147US2011181797A1Wafer-level fabrication of liquid crystal optoelectronic devicesLENSVECTOR INC·Filed 2009·Application pending·0 cites
- 2245US4848885APreobjective scanning systemPOLAROID CORP·Filed 1988·Granted Jul 18, 1989·10 cites·9 claims
- 2342US5161064ARadiation source for a printerPOLAROID CORP·Filed 1990·Granted Nov 3, 1992·7 cites·11 claims
- 2435US6061372ATwo-level semiconductor laser driverPOLAROID CORP·Filed 1998·Granted May 9, 2000·5 cites·2 claims
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