Inventor
TAKATA HARUKI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “TAKATA HARUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
17 patentsUS6509930B1Jan 21, 2003
Circuit for scan conversion of picture signal using motion compensation
HITACHI LTD99 citations98
US6144412ANov 7, 2000
Method and circuit for signal processing of format conversion of picture signal
HITACHI LTD149 citations97
US5534934AJul 9, 1996
Television receiver capable of enlarging and compressing image
HITACHI LTD64 citations95
US5343238AAug 30, 1994
Wide-screen television receiver with aspect ratio conversion function and method of displaying a range to be magnified and displayed
HITACHI LTD61 citations94
US6344857B1Feb 5, 2002
Gamma correction circuit
HITACHI LTD37 citations92
US6195132B1Feb 27, 2001
Noise reduction signal processing circuit and display apparatus
HITACHI LTD44 citations92
US5986635ANov 16, 1999
Processor for converting pixel number of video signal and display apparatus using the same
HITACHI LTD35 citations92
US6611294B1Aug 26, 2003
Method and device for converting number of frames of image signals
HITACHI LTD24 citations91
US5276515AJan 4, 1994
Compatible wide aspect ratio receiver with spatial filtering for variable zoom
HITACHI LTD33 citations90
US7436415B2Oct 14, 2008
Display system and display panel and signal processing apparatus for use with display system
HITACHI LTD22 citations87
US7450182B2Nov 11, 2008
Image display apparatus and picture quality correction
HITACHI LTD16 citations84
US7382414B2Jun 3, 2008
Video signal processing apparatus, for controlling contrast compensation and edge compensation in relation to each other in depedence on luminance of an image, and television receiver including the same
HITACHI LTD13 citations84
US7916214B2Mar 29, 2011
Picture display system for adjusting image quality of a picture signal having higher number of scanning lines
HITACHI LTD8 citations82
US7333081B2Feb 19, 2008
Image display apparatus, display unit driver and image display method for the same
HITACHI LTD8 citations73
US7084880B2Aug 1, 2006
Video display device and color temperature correction method for the same
HITACHI LTD10 citations73
US7920773B2Apr 5, 2011
Video reproducing device
HITACHI LTD4 citations54
US7982804B2Jul 19, 2011
Image processing apparatus and image processing method
HITACHI LTD0 citations34