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Inventor

Ken Utagawa

Inventor
Yokohama, JP

Overview

84→
Patents
1980–2013
Patent span
Physics
Primary field (CPC G)

Patents· 84 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus60%
H04NPictorial communication, e.g. television18%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%
G06TImage data processing or generation, in general4%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation2%
G01BMeasuring length, thickness or similar linear dimensions1%
G01CMeasuring distances, levels or bearings1%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock1%
G01RMeasuring electric variables1%
G01SRadio direction-finding1%
PatentTitleYear
8,416,336'Image sensor and image-capturing device'20138,254,675'Image processing apparatus, imaging apparatus and image processing program'20128,139,144'Focus detection device, focus detection method and imaging apparatus'20128,120,690'Imaging device'20128,045,048'Focus detection device, focus detection method, and image pickup apparatus'20117,805,067'Focus detection device for image forming optical system, imaging apparatus, and focus detection method for image forming optical system'20107,767,946'Focus detection device and image pick-up device'20107,755,670'Tone-conversion device for image, program, electronic camera, and tone-conversion method'20107,745,772'Image forming state detection device'20107,732,744'Image input apparatus, photodetection apparatus, and image synthesis method'20107,719,717'Image recording apparatus and method, image reproducing apparatus and method, and recording medium on which image processing program is recorded'20107,715,703'Image sensor and image capturing device'20107,706,628'Image processing apparatus for image tone transformation based on input signals, image processing program, electronic camera, and image processing method for the same'20107,599,578'Apparatus, program, and method for image tone transformation, and electronic camera'20097,233,414'Image recording apparatus and method, image reproducing apparatus and method, and recording medium on which image processing program is recorded'20077,016,549'Image processing method for direction dependent low pass filtering'20066,836,572'Interpolation processing apparatus and recording medium having interpolation processing program recorded therein'20046,563,538'Interpolation device, process and recording medium on which interpolation processing program is recorded'20036,529,640'Image processing apparatus'20035,784,656'Camera with light dividing devices'19985,761,549'Distance measuring device for camera'19985,664,236'Focus adjustment device and method'19975,659,813'Camera with focus detecting device for removing vignetting effects'19975,587,579'Auto focus camera and method of auto focus control'19965,587,761'Automatic focusing apparatus'19965,576,797'Camera with focus detecting device for removing vignetting effects'19965,574,536'Automatic focus adjustment camera'19965,555,068'Camera with improved lens drive during switching of multiple focal point detection areas'19965,536,931'Camera with focus detecting device for removing vignetting effects'19965,532,781'Focus detection device for an optical system'19965,528,331'Automatic focusing apparatus'19965,528,330'Focus detecting apparatus'19965,523,553'Camera with focus detecting device for removing vignetting effects'19965,519,203'Camera with focus detecting device for removing vignetting effects and method of focus detection'19965,517,275'Automatic focusing apparatus'19965,512,973'Automatic focusing apparatus'19965,510,874'Automatic focusing apparatus'19965,510,873'Automatic focusing apparatus'19965,504,551'Automatic focusing apparatus'19965,502,537'Focus adjustment device having predictive function'19965,422,701'Focus detection apparatus'19955,410,383'Focus detecting device'19955,373,342'Focus detection apparatus'19945,258,801'Focus detecting device'19935,245,381'Apparatus for ordering to phototake with eye-detection'19935,239,337'Apparatus for ordering to phototake with eye-detection'19935,231,448'Photometric apparatus for a camera'19935,191,201'Camera with focus detecting device for removing vignetting effects'19935,179,407'Automatic focusing device'19935,155,518'Focus detecting apparatus'19925,138,357'Focus adjuster'19925,136,325'Photometric apparatus'19925,068,682'Focus adjuster'19915,029,998'Focus state detecting device'19914,980,715'Automatic focus adjusting apparatus'19904,977,311'Camera with focus detecting device for removing vignetting effects'19904,841,325'Automatic focusing device for camera'19894,816,663'Camera system with vignetting calculation and memory means'19894,812,636'Automatic focal point control apparatus with correction of sequential defocus signals dependent on object contrast'19894,812,868'Detecting apparatus for focus in camera'19894,719,486'Focus detecting apparatus for camera'19884,687,917'Focus detecting device for removing vignetting effects'19874,674,855'Signal processing apparatus for photoelectric converting element array'19874,634,851'Control device for automatic focusing'19874,564,919'Correlation calculating apparatus'19864,561,749'Focus detection apparatus'19854,544,255'Focus detector'19854,473,286'Automatic focusing device of a camera'19844,469,939'Distance measuring apparatus'19844,460,260'Focus detecting device'19844,422,739'Auto focus camera'19834,370,551'Focus detecting device'19834,368,383'System for focus detection utilizing a photoelectric sensor array'19834,340,819'Photoelectric element array with automatic control of the charge storage time'19824,339,665'Apparatus for detecting displacement of optical image'19824,336,450'Focus detecting apparatus'19824,322,616'Focus detecting device with shielding'19824,319,238'Camera display device'19824,306,143'Device for extracting a plurality of space frequency components'19814,297,571'Focus detecting device'19814,291,224'Light image space frequency component extracting device'19814,276,471'Focus detecting device'19814,264,810'Focus detecting apparatus'19814,218,623'Device for detecting displacement of an optical image'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2004Patents assigned to NIPPON KOGAKU KK (25)· patent assignee history
1980–2013Based in Yokohama, JP· patent location history
1984–1986Based in Tokyo, JP· patent location history
1985–1997Based in Kawasaki, JP· patent location history
1989–2013Patents assigned to NIKON CORP (59)· patent assignee history
1996–1998Based in Kanagawa, JP· patent location history
2012–2013Patents assigned to UTAGAWA KEN (4)· patent assignee history
2012Patents assigned to MATSUSHITA TSUYAKO (1)· patent assignee history
2013Patents assigned to KUSAKA YOSUKE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIKON CORP591989–2013
NIPPON KOGAKU KK251980–2004
UTAGAWA KENself42012–2013
KUSAKA YOSUKE12013
MATSUSHITA TSUYAKO12012
Locations
LocationPatentsSpan
Yokohama, JP601980–2013
Kawasaki, JP171985–1997
Tokyo, JP41984–1986
Kanagawa, JP31996–1998