Inventor · disambiguated record
Nozomu Kitagishi
Also filed as: KITAGISHI NOZOMU
54 granted patents·1 pending application·1,428 citations·filing 1978–2006
99Inventor score
Top patents by PatentIndex Score
55 records- 0197US4341953AFocus detecting systemCANON KK·Filed 1980·Granted Jul 27, 1982·58 cites·64 claims
- 0296US5751480APlate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unitCANON KK·Filed 1992·Granted May 12, 1998·148 cites·9 claims
- 0391US4810070ALens system having a good image performance for white lightCANON KK·Filed 1986·Granted Mar 7, 1989·73 cites·8 claims
- 0490US5270857AOptical system for stabilizing an imageCANON KK·Filed 1988·Granted Dec 14, 1993·73 cites·33 claims
- 0590US4842395AFinder of variable magnificationCANON KK·Filed 1988·Granted Jun 27, 1989·69 cites·21 claims
- 0686US4547663AFocus detecting apparatus with a compensation maskCANON KK·Filed 1984·Granted Oct 15, 1985·19 cites·3 claims
- 0785US4907868AOptical system for deflecting imageCANON KK·Filed 1988·Granted Mar 13, 1990·51 cites·16 claims
- 0884US4844602AOptical system for deflecting imageCANON KK·Filed 1987·Granted Jul 4, 1989·49 cites·16 claims
- 0983US5182671AVariable magnification optical system having a capability of stabilizing the imageCANON KK·Filed 1989·Granted Jan 26, 1993·48 cites·9 claims
- 1083US4859040AOptical system having gradient-index lens and method for correcting aberrationsCANON KK·Filed 1986·Granted Aug 22, 1989·44 cites·5 claims
- 1183US4310231AClose-up copy photography apparatusCANON KK·Filed 1979·Granted Jan 12, 1982·13 cites·3 claims
- 1282US5231431AProjection type display apparatusCANON KK·Filed 1990·Granted Jul 27, 1993·58 cites·20 claims
- 1382US4367463AInformation mark display deviceCANON KK·Filed 1980·Granted Jan 4, 1983·34 cites·12 claims
- 1481US5253005ASmall-sized cameraCANON KK·Filed 1991·Granted Oct 12, 1993·21 cites·21 claims
- 1579US5011272ACompact zoom lensCANON KK·Filed 1989·Granted Apr 30, 1991·39 cites·10 claims
- 1679US4974950AOptical system for deflecting imageCANON KK·Filed 1989·Granted Dec 4, 1990·38 cites·28 claims
- 1779US4348084ATele-photographic lens of large aperture ratioCANON KK·Filed 1980·Granted Sep 7, 1982·33 cites·11 claims
- 1878US5537168AProjection optical apparatus comprising automatic adjustment unitCANON KK·Filed 1994·Granted Jul 16, 1996·45 cites·15 claims
- 1976US4776679AObjective of variable focal lengthCANON KK·Filed 1986·Granted Oct 11, 1988·35 cites·10 claims
- 2075US7038722B2Optical imaging system for suppressing the generation of red-toned ghosting particularly when there is background lightCANON KK·Filed 2002·Granted May 2, 2006·12 cites·13 claims
- 2175US4830477AZoom lens capable of obtaining focal lengths beyond a variable focal length rangeCANON KK·Filed 1985·Granted May 16, 1989·34 cites·14 claims
- 2274US4629294AZoom lensCANON KK·Filed 1984·Granted Dec 16, 1986·26 cites·4 claims
- 2371US5069537AImage deflecting deviceCANON KK·Filed 1988·Granted Dec 3, 1991·27 cites·13 claims
- 2471US4842386AVariable focal length objectiveCANON KK·Filed 1986·Granted Jun 27, 1989·29 cites·4 claims
- 2570US5096288AProjection apparatusCANON KK·Filed 1990·Granted Mar 17, 1992·29 cites·11 claims
- 2670US4241983ATelephoto lensCANON KK·Filed 1979·Granted Dec 30, 1980·21 cites·8 claims
- 2768US5124839APhase-type focusing screenCANON KK·Filed 1990·Granted Jun 23, 1992·12 cites·16 claims
- 2867US4500188AFocusing device for a cameraCANON KK·Filed 1983·Granted Feb 19, 1985·8 cites·6 claims
- 2966US5089835APhase-type diffusing plateCANON KK·Filed 1990·Granted Feb 18, 1992·11 cites·16 claims
- 3065US5179473AZoom lensCANON KK·Filed 1990·Granted Jan 12, 1993·27 cites·8 claims
- 3165US4949107ACamera having telescopic capabilityCANON KK·Filed 1989·Granted Aug 14, 1990·9 cites·9 claims
- 3260US4907866AObjective of variable focal lengthCANON KK·Filed 1986·Granted Mar 13, 1990·19 cites·18 claims
- 3360US4650988AImage reading apparatus with an area-type beam splitterCANON KK·Filed 1981·Granted Mar 17, 1987·15 cites·7 claims
- 3459US4666257ACompact zoom lensCANON KK·Filed 1985·Granted May 19, 1987·20 cites·4 claims
- 3559US4639096AHigh range zoom lensCANON KK·Filed 1984·Granted Jan 27, 1987·15 cites·6 claims
- 3656US4955715APsuedo format cameraCANON KK·Filed 1989·Granted Sep 11, 1990·6 cites·14 claims
- 3755US4586786AArea beam type splitterCANON KK·Filed 1985·Granted May 6, 1986·16 cites·5 claims
- 3854US4752121AZoom lensCANON KK·Filed 1987·Granted Jun 21, 1988·15 cites·15 claims
- 3953US4865434AZoom lens capable of selecting a focal length beyond a standard focal length rangeCANON KK·Filed 1985·Granted Sep 12, 1989·15 cites·13 claims
- 4052US4781446AZoom lens having a capability of introducing special features into image formatsCANON KK·Filed 1985·Granted Nov 1, 1988·14 cites·11 claims
- 4151US5303087ARetrofocus type lensCANON KK·Filed 1991·Granted Apr 12, 1994·15 cites·16 claims
- 4251US5054898ACompact high-range varifocal objectivesCANON KK·Filed 1985·Granted Oct 8, 1991·13 cites·31 claims
- 4350US7190519B1Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unitCANON KK·Filed 1997·Granted Mar 13, 2007·12 cites·48 claims
- 4448US4695133AHigh range zoom lensCANON KK·Filed 1985·Granted Sep 22, 1987·12 cites·11 claims
- 4547US4659189AZoom lens of reduced total lengthCANON KK·Filed 1984·Granted Apr 21, 1987·9 cites·13 claims
- 4644US4467188ADevice for splitting light from an objective lensCANON KK·Filed 1981·Granted Aug 21, 1984·8 cites·4 claims
- 4742US4711534AZoom lens able to obtain focal lengths beyond the zooming rangeCANON KK·Filed 1985·Granted Dec 8, 1987·9 cites·8 claims
- 4842US2006262208A1Optical low pass filter and image pickup apparatus having the sameKITAGISHI NOZOMU·Filed 2006·Application pending·0 cites
- 4938US4508433ATelephoto objectiveCANON KK·Filed 1983·Granted Apr 2, 1985·5 cites·13 claims
- 5038US4206976ACompact telephoto lensCANON KK·Filed 1978·Granted Jun 10, 1980·5 cites·3 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →