Inventor · disambiguated record
Ian Powell
Also filed as: POWELL IAN · POWELL IAN L · POWELL IAN R
14 granted patents·2 pending applications·649 citations·filing 1978–2025
94Inventor score
Files withCA NAT RESEARCH COUNCIL4APPLE INC2AI SPECTRAL TECH CORP1ANNIDIS HEALTH SYSTEMS CORP1CANADIAN PATENTS DEV1
Top patents by PatentIndex Score
16 records- 0197US4826299ALinear deiverging lensCANADIAN PATENTS DEV·Filed 1987·Granted May 2, 1989·237 cites·12 claims
- 0295US5473474APanoramic lensCA NAT RESEARCH COUNCIL·Filed 1993·Granted Dec 5, 1995·186 cites·9 claims
- 0383US7317535B2Wavelength dispersive fourier transform spectrometerCA NAT RESEARCH COUNCIL·Filed 2005·Granted Jan 8, 2008·12 cites·22 claims
- 0481US5631778APanoramic fish-eye imaging systemNAT RESEARCH COUNCIL OF CANDA·Filed 1996·Granted May 20, 1997·66 cites·6 claims
- 0580US7039267B2Optical switchJDS UNIPHASE INC·Filed 2004·Granted May 2, 2006·23 cites·18 claims
- 0679US8807751B2Retinal fundus surveillance method and apparatusANNIDIS HEALTH SYSTEMS CORP·Filed 2013·Granted Aug 19, 2014·20 cites·23 claims
- 0776US8491120B2Retinal fundus surveillance method and apparatusKAHN DAVID ALEXANDER·Filed 2009·Granted Jul 23, 2013·19 cites·20 claims
- 0870US10761321B2Optical arrangements including Fresnel lens elementsAPPLE INC·Filed 2017·Granted Sep 1, 2020·1 cites·20 claims
- 0968US5629808AD-shape laser beam projectorCA NAT RESEARCH COUNCIL·Filed 1995·Granted May 13, 1997·33 cites·16 claims
- 1066US5161062AOptical projection system including a refractive lens assembly having a gap between constituent lensesGEN SIGNAL CORP·Filed 1991·Granted Nov 3, 1992·29 cites·18 claims
- 1164US11693238B2Optical arrangements including Fresnel lens elementsAPPLE INC·Filed 2020·Granted Jul 4, 2023·0 cites·20 claims
- 1253US2025261851A1Method and apparatus of multi-spectral retinal imaging with wide field of viewAI SPECTRAL TECH CORP·Filed 2025·Application pending·0 cites
- 1340US6002483ANon-contact interference optical system for measuring the length of a moving surface with a large N.A. collector optical systemCA NAT RESEARCH COUNCIL·Filed 1998·Granted Dec 14, 1999·7 cites·19 claims
- 1430US2006144170A1Method and apparatus for detecting surveillance devicesSTEPHEN ANDREW B·Filed 2003·Application pending·0 cites
- 1528US4222018AMode filtersMARCONI CO LTD·Filed 1978·Granted Sep 9, 1980·1 cites·4 claims
- 1622US5499066AOptical instrument with a continuously adjustable zoomREMRAF PTY LTD·Filed 1991·Granted Mar 12, 1996·15 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →