Inventor · disambiguated record
Ken Utagawa
Also filed as: UTAGAWA KEN
84 granted patents·1,597 citations·filing 1978–2009
99Inventor score
Top patents by PatentIndex Score
84 records- 0199US7732744B2Image input apparatus, photodetection apparatus, and image synthesis methodNIKON CORP·Filed 2006·Granted Jun 8, 2010·104 cites·9 claims
- 0296US7715703B2Image sensor and image capturing deviceNIKON CORP·Filed 2006·Granted May 11, 2010·38 cites·12 claims
- 0395US7016549B1Image processing method for direction dependent low pass filteringNIKON CORP·Filed 2000·Granted Mar 21, 2006·111 cites·10 claims
- 0495US5245381AApparatus for ordering to phototake with eye-detectionNIKON CORP·Filed 1991·Granted Sep 14, 1993·53 cites·10 claims
- 0594US4561749AFocus detection apparatusNIPPON KOGAKU KK·Filed 1984·Granted Dec 31, 1985·84 cites·58 claims
- 0692US7755670B2Tone-conversion device for image, program, electronic camera, and tone-conversion methodNIKON CORP·Filed 2006·Granted Jul 13, 2010·17 cites·16 claims
- 0791US5239337AApparatus for ordering to phototake with eye-detectionNIKON CORP·Filed 1992·Granted Aug 24, 1993·39 cites·15 claims
- 0890US5502537AFocus adjustment device having predictive functionNIKON CORP·Filed 1993·Granted Mar 26, 1996·95 cites·19 claims
- 0988US6563538B1Interpolation device, process and recording medium on which interpolation processing program is recordedNIKON CORP·Filed 1998·Granted May 13, 2003·111 cites·24 claims
- 1087US4687917AFocus detecting device for removing vignetting effectsNIPPON KOGAKU KK·Filed 1984·Granted Aug 18, 1987·44 cites·15 claims
- 1186US7745772B2Image forming state detection deviceNIKON CORP·Filed 2006·Granted Jun 29, 2010·16 cites·20 claims
- 1286US4218623ADevice for detecting displacement of an optical imageNIPPON KOGAKU KK·Filed 1978·Granted Aug 19, 1980·30 cites·15 claims
- 1385US6529640B1Image processing apparatusNIKON CORP·Filed 1999·Granted Mar 4, 2003·87 cites·23 claims
- 1483US8416336B2Image sensor and image-capturing deviceUTAGAWA KEN·Filed 2009·Granted Apr 9, 2013·8 cites·11 claims
- 1582US8139144B2Focus detection device, focus detection method and imaging apparatusUTAGAWA KEN·Filed 2008·Granted Mar 20, 2012·7 cites·13 claims
- 1682US6836572B2Interpolation processing apparatus and recording medium having interpolation processing program recorded thereinNIPPON KOGAKU KK·Filed 2000·Granted Dec 28, 2004·22 cites·61 claims
- 1780US7599578B2Apparatus, program, and method for image tone transformation, and electronic cameraNIKON CORP·Filed 2005·Granted Oct 6, 2009·10 cites·15 claims
- 1879US4841325AAutomatic focusing device for cameraNIKON CORP·Filed 1988·Granted Jun 20, 1989·40 cites·17 claims
- 1978US5528330AFocus detecting apparatusNIKON CORP·Filed 1995·Granted Jun 18, 1996·16 cites·69 claims
- 2076US7805067B2Focus detection device for image forming optical system, imaging apparatus, and focus detection method for image forming optical systemNIKON CORP·Filed 2008·Granted Sep 28, 2010·4 cites·10 claims
- 2175US4816663ACamera system with vignetting calculation and memory meansNIKON CORP·Filed 1987·Granted Mar 28, 1989·34 cites·21 claims
- 2273US4469939ADistance measuring apparatusNIPPON KOGAKU KK·Filed 1981·Granted Sep 4, 1984·22 cites·10 claims
- 2373US4340819APhotoelectric element array with automatic control of the charge storage timeNIPPON KOGAKU KK·Filed 1981·Granted Jul 20, 1982·21 cites·9 claims
- 2472US4812868ADetecting apparatus for focus in cameraNIKON CORP·Filed 1988·Granted Mar 14, 1989·29 cites·20 claims
- 2571US7767946B2Focus detection device and image pick-up deviceNIKON CORP·Filed 2008·Granted Aug 3, 2010·5 cites·17 claims
- 2671US5784656ACamera with light dividing devicesNIKON CORP·Filed 1997·Granted Jul 21, 1998·11 cites·25 claims
- 2770US4264810AFocus detecting apparatusNIPPON KOGAKU KK·Filed 1978·Granted Apr 28, 1981·22 cites·19 claims
- 2869US7233414B2Image recording apparatus and method, image reproducing apparatus and method, and recording medium on which image processing program is recordedNIKON CORP·Filed 2001·Granted Jun 19, 2007·7 cites·27 claims
- 2969US5068682AFocus adjusterNIKON CORP·Filed 1990·Granted Nov 26, 1991·28 cites·17 claims
- 3066US4980715AAutomatic focus adjusting apparatusNIKON CORP·Filed 1990·Granted Dec 25, 1990·29 cites·26 claims
- 3164US5179407AAutomatic focusing deviceNIKON CORP·Filed 1992·Granted Jan 12, 1993·26 cites·30 claims
- 3262US5576797ACamera with focus detecting device for removing vignetting effectsNIKON CORP·Filed 1995·Granted Nov 19, 1996·15 cites·9 claims
- 3361US5231448APhotometric apparatus for a cameraNIKON CORP·Filed 1990·Granted Jul 27, 1993·7 cites·11 claims
- 3461US4544255AFocus detectorNIPPON KOGAKU KK·Filed 1984·Granted Oct 1, 1985·16 cites·24 claims
- 3561US4460260AFocus detecting deviceNIPPON KOGAKU KK·Filed 1983·Granted Jul 17, 1984·16 cites·10 claims
- 3661US4297571AFocus detecting deviceNIPPON KOGAKU KK·Filed 1980·Granted Oct 27, 1981·18 cites·4 claims
- 3758US8120690B2Imaging deviceUTAGAWA KEN·Filed 2003·Granted Feb 21, 2012·3 cites·10 claims
- 3857US5258801AFocus detecting deviceNIKON CORP·Filed 1992·Granted Nov 2, 1993·20 cites·24 claims
- 3956US8045048B2Focus detection device, focus detection method, and image pickup apparatusNIKON CORP·Filed 2008·Granted Oct 25, 2011·0 cites·13 claims
- 4056US5664236AFocus adjustment device and methodNIKON CORP·Filed 1995·Granted Sep 2, 1997·20 cites·22 claims
- 4156US5659813ACamera with focus detecting device for removing vignetting effectsNIKON CORP·Filed 1995·Granted Aug 19, 1997·12 cites·4 claims
- 4256US5410383AFocus detecting deviceNIKON CORP·Filed 1993·Granted Apr 25, 1995·18 cites·18 claims
- 4356US4473286AAutomatic focusing device of a cameraNIPPON KOGAKU KK·Filed 1982·Granted Sep 25, 1984·14 cites·11 claims
- 4456US4370551AFocus detecting deviceNIPPON KOGAKU KK·Filed 1981·Granted Jan 25, 1983·14 cites·3 claims
- 4555US7719717B2Image recording apparatus and method, image reproducing apparatus and method, and recording medium on which image processing program is recordedNIKON CORP·Filed 2007·Granted May 18, 2010·0 cites·4 claims
- 4655US5138357AFocus adjusterNIKON CORP·Filed 1991·Granted Aug 11, 1992·14 cites·7 claims
- 4755US4336450AFocus detecting apparatusNIPPON KOGAKU KK·Filed 1980·Granted Jun 22, 1982·14 cites·9 claims
- 4854US4977311ACamera with focus detecting device for removing vignetting effectsNIKON CORP·Filed 1990·Granted Dec 11, 1990·15 cites·17 claims
- 4953US4812636AAutomatic focal point control apparatus with correction of sequential defocus signals dependent on object contrastNIKON CORP·Filed 1988·Granted Mar 14, 1989·15 cites·15 claims
- 5052US4634851AControl device for automatic focusingNIPPON KOGAKU KK·Filed 1986·Granted Jan 6, 1987·15 cites·15 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →