Inventor
UTAGAWA KEN
JP84 patents
⚠️ This page may combine multiple inventors who share the name “UTAGAWA KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIKON CORP
41 patentsUS7732744B2Jun 8, 2010
Image input apparatus, photodetection apparatus, and image synthesis method
NIKON CORP104 citations98
US7016549B1Mar 21, 2006
Image processing method for direction dependent low pass filtering
NIKON CORP111 citations98
US6563538B1May 13, 2003
Interpolation device, process and recording medium on which interpolation processing program is recorded
NIKON CORP111 citations98
US6529640B1Mar 4, 2003
Image processing apparatus
NIKON CORP87 citations98
US5502537AMar 26, 1996
Focus adjustment device having predictive function
NIKON CORP95 citations96
US5245381ASep 14, 1993
Apparatus for ordering to phototake with eye-detection
NIKON CORP53 citations96
US7715703B2May 11, 2010
Image sensor and image capturing device
NIKON CORP38 citations93
US5664236ASep 2, 1997
Focus adjustment device and method
NIKON CORP20 citations93
US5179407AJan 12, 1993
Automatic focusing device
NIKON CORP26 citations93
US5068682ANov 26, 1991
Focus adjuster
NIKON CORP28 citations93
US4980715ADec 25, 1990
Automatic focus adjusting apparatus
NIKON CORP29 citations93
US5239337AAug 24, 1993
Apparatus for ordering to phototake with eye-detection
NIKON CORP39 citations92
US4841325AJun 20, 1989
Automatic focusing device for camera
NIKON CORP40 citations92
US4816663AMar 28, 1989
Camera system with vignetting calculation and memory means
NIKON CORP34 citations92
US4812868AMar 14, 1989
Detecting apparatus for focus in camera
NIKON CORP29 citations92
US7755670B2Jul 13, 2010
Tone-conversion device for image, program, electronic camera, and tone-conversion method
NIKON CORP17 citations84
US7745772B2Jun 29, 2010
Image forming state detection device
NIKON CORP16 citations84
US7599578B2Oct 6, 2009
Apparatus, program, and method for image tone transformation, and electronic camera
NIKON CORP10 citations84
US5659813AAug 19, 1997
Camera with focus detecting device for removing vignetting effects
NIKON CORP12 citations82
US5576797ANov 19, 1996
Camera with focus detecting device for removing vignetting effects
NIKON CORP15 citations82
US5258801ANov 2, 1993
Focus detecting device
NIKON CORP20 citations82
US7233414B2Jun 19, 2007
Image recording apparatus and method, image reproducing apparatus and method, and recording medium on which image processing program is recorded
NIKON CORP7 citations74
US5784656AJul 21, 1998
Camera with light dividing devices
NIKON CORP11 citations74
US5587761ADec 24, 1996
Automatic focusing apparatus
NIKON CORP5 citations74
US5574536ANov 12, 1996
Automatic focus adjustment camera
NIKON CORP8 citations74
US5555068ASep 10, 1996
Camera with improved lens drive during switching of multiple focal point detection areas
NIKON CORP13 citations74
US5536931AJul 16, 1996
Camera with focus detecting device for removing vignetting effects
NIKON CORP4 citations74
US5528330AJun 18, 1996
Focus detecting apparatus
NIKON CORP16 citations74
US5528331AJun 18, 1996
Automatic focusing apparatus
NIKON CORP4 citations74
US5523553AJun 4, 1996
Camera with focus detecting device for removing vignetting effects
NIKON CORP4 citations74
US5519203AMay 21, 1996
Camera with focus detecting device for removing vignetting effects and method of focus detection
NIKON CORP5 citations74
US5517275AMay 14, 1996
Automatic focusing apparatus
NIKON CORP3 citations74
US5422701AJun 6, 1995
Focus detection apparatus
NIKON CORP13 citations74
US5410383AApr 25, 1995
Focus detecting device
NIKON CORP18 citations74
US5373342ADec 13, 1994
Focus detection apparatus
NIKON CORP8 citations74
US5231448AJul 27, 1993
Photometric apparatus for a camera
NIKON CORP7 citations74
US5191201AMar 2, 1993
Camera with focus detecting device for removing vignetting effects
NIKON CORP10 citations74
US5155518AOct 13, 1992
Focus detecting apparatus
NIKON CORP12 citations74
US5138357AAug 11, 1992
Focus adjuster
NIKON CORP14 citations74
US4977311ADec 11, 1990
Camera with focus detecting device for removing vignetting effects
NIKON CORP15 citations74
US4812636AMar 14, 1989
Automatic focal point control apparatus with correction of sequential defocus signals dependent on object contrast
NIKON CORP15 citations74
NIPPON KOGAKU KK
7 patentsUS4561749ADec 31, 1985
Focus detection apparatus
NIPPON KOGAKU KK84 citations96
US6836572B2Dec 28, 2004
Interpolation processing apparatus and recording medium having interpolation processing program recorded therein
NIPPON KOGAKU KK22 citations93
US4687917AAug 18, 1987
Focus detecting device for removing vignetting effects
NIPPON KOGAKU KK44 citations93
US4218623AAug 19, 1980
Device for detecting displacement of an optical image
NIPPON KOGAKU KK30 citations93
US4469939ASep 4, 1984
Distance measuring apparatus
NIPPON KOGAKU KK22 citations82
US4340819AJul 20, 1982
Photoelectric element array with automatic control of the charge storage time
NIPPON KOGAKU KK21 citations82
US4264810AApr 28, 1981
Focus detecting apparatus
NIPPON KOGAKU KK22 citations82
UTAGAWA KEN
2 patentsShowing the top 50 of 84 patents by PatentIndex Score.