Inventor · disambiguated record
Ellis I. Betensky
Also filed as: BETENSKY ELLIS · BETENSKY ELLIS I · BETENSKY ELLIS ISRAEL
59 granted patents·5 pending applications·2,725 citations·filing 1974–2022
99Inventor score
Top patents by PatentIndex Score
64 records- 0198US3942876ATelephoto lensPONDER & BEST·Filed 1974·Granted Mar 9, 1976·135 cites·18 claims
- 0295US5745301AVariable power lens systems for producing small imagesBENOPCON INC·Filed 1994·Granted Apr 28, 1998·152 cites·35 claims
- 0395US5532875AWide angle binocular system with variable power capabilityBENOPCON INC·Filed 1994·Granted Jul 2, 1996·105 cites·3 claims
- 0495US5500769AWide angle binocular system with variable power capabilityBENOPCON INC·Filed 1994·Granted Mar 19, 1996·106 cites·6 claims
- 0595US5371626AWide angle binocular system with variable power capabilityBENOPCON INC·Filed 1993·Granted Dec 6, 1994·100 cites·9 claims
- 0694US5576888AWide angle binocular system with variable power capabilityBENOPCON INC·Filed 1995·Granted Nov 19, 1996·95 cites·8 claims
- 0794US5499140AWide angle binocular system with variable power capabilityBENOPCON INC·Filed 1994·Granted Mar 12, 1996·90 cites·2 claims
- 0894US5313330AZoom projection lens systemsUS PRECISION LENS INC·Filed 1992·Granted May 17, 1994·134 cites·36 claims
- 0992US5493448AZoom lens having weak front lens groupEASTMAN KODAK CO·Filed 1993·Granted Feb 20, 1996·90 cites·14 claims
- 1092US5315440AZoom lens having weak front lens groupEASTMAN KODAK CO·Filed 1991·Granted May 24, 1994·95 cites·21 claims
- 1191US5677797AMethod for correcting field curvatureUS PRECISION LENS INC·Filed 1994·Granted Oct 14, 1997·94 cites·6 claims
- 1291US5485313AZoom lens systemsPOLAROID CORP·Filed 1993·Granted Jan 16, 1996·95 cites·22 claims
- 1391US4936661AZoom lens with short back focal lengthOPCON ASSOCIATES INC·Filed 1988·Granted Jun 26, 1990·94 cites·40 claims
- 1491US4300817AProjection lensUS PRECISION LENS INC·Filed 1979·Granted Nov 17, 1981·59 cites·37 claims
- 1590US5428480AZoom lens having weak plastic elementEASTMAN KODAK CO·Filed 1993·Granted Jun 27, 1995·90 cites·31 claims
- 1690US5241337AReal image viewfinder requiring no field lensEASTMAN KODAK CO·Filed 1991·Granted Aug 31, 1993·92 cites·21 claims
- 1788US7012759B2Zoom lens systemPANAVISION INT LP·Filed 2005·Granted Mar 14, 2006·17 cites·7 claims
- 1888US4348081AProjection lensUS PRECISION LENS INC·Filed 1981·Granted Sep 7, 1982·50 cites·22 claims
- 1986US4526442ACompact projection lensUS PRECISION LENS INC·Filed 1981·Granted Jul 2, 1985·45 cites·27 claims
- 2085US6292306B1Telecentric zoom lens system for video based inspection systemOPTICAL GAGING PROD INC·Filed 1999·Granted Sep 18, 2001·72 cites·17 claims
- 2185US4109995ATriplet with aspheric surfacesOPCON ASSOCIATES OF CANADA LTD·Filed 1976·Granted Aug 29, 1978·46 cites·22 claims
- 2281US6961188B2Zoom lens systemPANAVISION INC·Filed 2003·Granted Nov 1, 2005·19 cites·161 claims
- 2380US6111977AHand-held fingerprint recognition and transmission deviceCROSS MATCH TECHNOLOGIES INC·Filed 1997·Granted Aug 29, 2000·189 cites·41 claims
- 2480US4655562AObjective lens system, relay lens system, and eyepiece lens system for night-vision gogglesFJW IND INC·Filed 1985·Granted Apr 7, 1987·44 cites·18 claims
- 2579US4017160AContinuously variable anamorphic lensMINNESOTA MINING & MFG·Filed 1975·Granted Apr 12, 1977·31 cites·3 claims
- 2679US3942875AWide aperture long focal length lensPONDER & BEST·Filed 1974·Granted Mar 9, 1976·36 cites·5 claims
- 2778US4299454AWide angle to long focus zoom lensVIVITAR CORP·Filed 1979·Granted Nov 10, 1981·29 cites·35 claims
- 2877US7457050B2Zoom lens system for use with small electronic sensorFLEXTRONICS AP LLC·Filed 2007·Granted Nov 25, 2008·7 cites·30 claims
- 2976US6373640B1Optical systems for digital camerasCONCORD CAMERA CORP·Filed 2000·Granted Apr 16, 2002·17 cites·73 claims
- 3076US4828372AWide-angle zoom lensEASTMAN KODAK CO·Filed 1988·Granted May 9, 1989·34 cites·30 claims
- 3175US4991943ACompact zoom lens with high zoom ratioLENZAR OPTICS CORP·Filed 1989·Granted Feb 12, 1991·33 cites·26 claims
- 3274US5900993ALens systems for use in fingerprint detectionCROSS CHECK CORP·Filed 1997·Granted May 4, 1999·105 cites·18 claims
- 3371US4757372ASLR zoom cameraEASTMAN KODAK CO·Filed 1987·Granted Jul 12, 1988·12 cites·10 claims
- 3471US4304466AZoom lensVIVITAR CORP·Filed 1979·Granted Dec 8, 1981·22 cites·14 claims
- 3569US4697892AProjection lensUS PRECISION LENS INC·Filed 1984·Granted Oct 6, 1987·22 cites·57 claims
- 3669US4094585ALoupeOPCON ASSOCIATES OF CANADA LTD·Filed 1976·Granted Jun 13, 1978·22 cites·16 claims
- 3765US4427883AOptical sensing system for extensible tape rulesSTANLEY WORKS·Filed 1981·Granted Jan 24, 1984·17 cites·13 claims
- 3864US4749268AAutofocusing zoom lensVIVITAR CORP·Filed 1985·Granted Jun 7, 1988·23 cites·10 claims
- 3963US3975089AZoom lensPONDER & BEST·Filed 1974·Granted Aug 17, 1976·18 cites·19 claims
- 4061US8537262B2Binocular viewing deviceBETENSKY ELLIS·Filed 2009·Granted Sep 17, 2013·3 cites·12 claims
- 4161US4466708AZoom lensVIVITAR CORP·Filed 1982·Granted Aug 21, 1984·16 cites·30 claims
- 4259US6414802B1Inverse triplet lens assembliesCONCORD CAMERA CORP·Filed 1999·Granted Jul 2, 2002·21 cites·33 claims
- 4358US4815831AProjection lens with color correctionUS PRECISION LENS INC·Filed 1985·Granted Mar 28, 1989·18 cites·46 claims
- 4458US4801196AWide angle projection lensUS PRECISION LENS INC·Filed 1985·Granted Jan 31, 1989·18 cites·67 claims
- 4558US2023181031A1Method and Apparatus for Determination of Pupil Function for a Double Pass Optical System Whereby the Image Surface is DiffusiveBETENSKY ELLIS ISRAEL·Filed 2022·Application pending·0 cites
- 4657US6122111AHigh performance zoom lens systemPANAVISION INC·Filed 1998·Granted Sep 19, 2000·19 cites·37 claims
- 4753US4838668AZoom lensEASTMAN KODAK CO·Filed 1987·Granted Jun 13, 1989·14 cites·34 claims
- 4853US4099849AWide angle objectiveVIVITAR CORP·Filed 1974·Granted Jul 11, 1978·12 cites·33 claims
- 4952US4707084AProjection lensUS PRECISION LENS INC·Filed 1984·Granted Nov 17, 1987·11 cites·43 claims
- 5051US4307943AClose focusing zoom lensVIVITAR CORP·Filed 1980·Granted Dec 29, 1981·11 cites·21 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →