P

Inventor

TAKEI HIROFUMI

JP42 patents
⚠️ This page may combine multiple inventors who share the name “TAKEI HIROFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

27 patents
US5353058AOct 4, 1994

Automatic exposure control apparatus

CANON KK143 citations98
US6480671B2Nov 12, 2002

Video camera and recording and reproducing apparatus which communicate via wireless communication techniques

CANON KK65 citations96
US6108037AAug 22, 2000

Image pickup apparatus in which the white balance controller contains a circuit to calculate the color temperature from the color signals

CANON KK46 citations96
US5831672ANov 3, 1998

Image pickup apparatus performing white balance control in a plurality of modes

CANON KK47 citations96
US5530474AJun 25, 1996

White balance correction device with correction signal limiting device

CANON KK45 citations96
US5420630AMay 30, 1995

Image pickup apparatus performing white balance control based on data from regions of a frame

CANON KK53 citations96
US7932935B2Apr 26, 2011

Imaging apparatus capable of reducing deterioration of an image even when the gain increased

CANON KK22 citations93
US7126640B1Oct 24, 2006

Autofocus strobe control in image sensing apparatus

CANON KK38 citations93
US6972798B1Dec 6, 2005

Focusing device and method

CANON KK17 citations93
US5604538AFeb 18, 1997

Autofocus apparatus utilizing luma and chroma components to determine whether focusing is possible

CANON KK21 citations93
US5510837AApr 23, 1996

Automatic exposure control device performing weighted light measurement

CANON KK28 citations93
US6493027B2Dec 10, 2002

Apparatus for still and moving image recording and control thereof

CANON KK21 citations92
US6148141ANov 14, 2000

Image pickup system with separable/attachable image pickup device and display device

CANON KK31 citations92
US5703638ADec 30, 1997

Image pickup apparatus for moving image photographing or for still image photographing

CANON KK25 citations92
US7760953B2Jul 20, 2010

Image processing apparatus and method, computer program, and storage medium with varied block shapes to execute motion detection

CANON KK8 citations84
US7630005B2Dec 8, 2009

Image processing apparatus and image processing method

CANON KK12 citations84
US7567286B2Jul 28, 2009

Image pickup apparatus

CANON KK9 citations84
US6965401B1Nov 15, 2005

White balance correcting device

CANON KK13 citations84
US6545709B2Apr 8, 2003

Wireless receiving apparatus and method therefor

CANON KK14 citations84
US7024107B2Apr 4, 2006

Focusing device and method

CANON KK6 citations74
US5757428AMay 26, 1998

Electronic equipment having viewpoint detection apparatus with determination of abnormal operation of eyeball illumination unit

CANON KK13 citations74
US8929684B2Jan 6, 2015

Image display apparatus and control method thereof

CANON KK4 citations73
US6978085B1Dec 20, 2005

Image pickup system with separable/attachable image pickup device and display device

CANON KK11 citations73
US8379916B2Feb 19, 2013

Image display apparatus and control method thereof

CANON KK2 citations63
US7876375B2Jan 25, 2011

Focusing device that adjusts focus based on a measured luminance value and method for the same

CANON KK4 citations63
US7706583B2Apr 27, 2010

Image processing apparatus and method

CANON KK4 citations63
US7307656B2Dec 11, 2007

White balance correcting device

CANON KK5 citations63

NISSAN MOTOR

8 patents

DOWA MINING CO

4 patents

TAKEI HIROFUMI

2 patents

DOWA HOLDINGS CO LTD

1 patent