Inventor
KATATA HIROYUKI
JP62 patents
⚠️ This page may combine multiple inventors who share the name “KATATA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
41 patentsUS5963257AOct 5, 1999
Video coding device and video decoding device
SHARP KK117 citations99
US5815601ASep 29, 1998
Image encoder and image decoder
SHARP KK102 citations98
US5267333ANov 30, 1993
Image compressing apparatus and image coding synthesizing method
SHARP KK139 citations98
US5327502AJul 5, 1994
Image coding system using an orthogonal transform and bit allocation method suitable therefor
SHARP KK131 citations97
US8040957B2Oct 18, 2011
Adaptive filtering based upon boundary strength
SHARP KK19 citations96
US7907667B2Mar 15, 2011
Adaptive filtering based upon boundary strength
SHARP KK16 citations96
US7787542B2Aug 31, 2010
Adaptive filtering based upon boundary strength
SHARP KK19 citations96
US7613240B2Nov 3, 2009
Adaptive filtering based upon boundary strength
SHARP KK33 citations96
US6148030ANov 14, 2000
Motion picture coding and decoding apparatus
SHARP KK34 citations96
US6088061AJul 11, 2000
Video coding device and video decoding device
SHARP KK47 citations96
US6084914AJul 4, 2000
Video coding device and video decoding device
SHARP KK41 citations96
US6023301AFeb 8, 2000
Video coding device and video decoding device
SHARP KK78 citations96
US5859668AJan 12, 1999
Prediction mode selecting device in moving image coder
SHARP KK78 citations96
US6956974B1Oct 18, 2005
Image encoder and image decoder
SHARP KK25 citations93
US6714591B1Mar 30, 2004
Video image coding device and video image decoding device
SHARP KK25 citations93
US6671412B2Dec 30, 2003
Motion image coding apparatus for performing hierarchical coding
SHARP KK17 citations93
US6023299AFeb 8, 2000
Video coding device and video decoding device
SHARP KK20 citations93
US5986708ANov 16, 1999
Video coding device and video decoding device
SHARP KK18 citations93
US5978515ANov 2, 1999
Image encoder and image decoder
SHARP KK38 citations93
US5929912AJul 27, 1999
Image coding/decoding apparatus
SHARP KK27 citations93
US5631644AMay 20, 1997
Image encoding apparatus
SHARP KK79 citations93
US5497338AMar 5, 1996
Motion vector detecting circuit
SHARP KK31 citations93
US7720308B2May 18, 2010
3-D image display unit, 3-D image recording device and 3-D image recording method
SHARP KK21 citations92
US6813314B2Nov 2, 2004
Image decoding device for decoding a hierarchically coded image
SHARP KK29 citations92
US6259735B1Jul 10, 2001
Video coding and decoding device for rearranging the luminance and chrominance components into subband images
SHARP KK37 citations92
US5856848AJan 5, 1999
Moving image coder
SHARP KK20 citations92
US5721588AFeb 24, 1998
Video coding device
SHARP KK21 citations92
US5420872AMay 30, 1995
Apparatus for concealing error in transform coding of a motion picture
SHARP KK23 citations92
US5056154AOct 8, 1991
Text image data compression system
SHARP KK34 citations92
US7679616B2Mar 16, 2010
Image data generation apparatus for adding attribute information regarding image pickup conditions to image data, image data reproduction apparatus for reproducing image data according to added attribute information, and image data recording medium related thereto
SHARP KK32 citations91
US7734085B2Jun 8, 2010
Image data delivery system, image data transmitting device thereof, and image data receiving device thereof
SHARP KK8 citations84
US6128344AOct 3, 2000
Image coding/decoding apparatus utilizing sub-band encoding
SHARP KK15 citations82
US7529400B2May 5, 2009
Image encoder, image decoder, record medium, and image recorder
SHARP KK18 citations81
US6693960B2Feb 17, 2004
Moving picture encoder and moving picture decoder
SHARP KK12 citations74
US6546142B2Apr 8, 2003
Motion image coding apparatus for performing hierarchical coding
SHARP KK8 citations74
US6466622B2Oct 15, 2002
Motion picture coding and decoding apparatus
SHARP KK4 citations74
US6324215B1Nov 27, 2001
Motion picture coding and decoding apparatus
SHARP KK8 citations74
US5760835AJun 2, 1998
Video coding device
SHARP KK8 citations74
US5091977AFeb 25, 1992
Image data compression method using a run prediction technique
SHARP KK11 citations74
US12526408B2Jan 13, 2026
Moving image decoding method and moving image coding method
SHARP KK0 citations63
US11070802B2Jul 20, 2021
Moving image coding device, moving image decoding device, moving image coding/decoding system, moving image coding method and moving image decoding method
SHARP KK0 citations63
DOLBY LABORATORIES LICENSING CORP
8 patentsUS10602142B2Mar 24, 2020
Adaptive filtering based upon boundary strength
DOLBY LABORATORIES LICENSING CORP0 citations63
US10349051B1Jul 9, 2019
Adaptive filtering based upon boundary strength
DOLBY LABORATORIES LICENSING CORP0 citations63
US10257511B2Apr 9, 2019
Adaptive filtering based upon boundary strength
DOLBY LABORATORIES LICENSING CORP0 citations63
US10178386B2Jan 8, 2019
Adaptive filtering based upon boundary strength
DOLBY LABORATORIES LICENSING CORP0 citations63
US9872024B2Jan 16, 2018
Adaptive filtering based upon boundary strength
DOLBY LABORATORIES LICENSING CORP0 citations63
US9866834B2Jan 9, 2018
Adaptive filtering based upon boundary strength
DOLBY LABORATORIES LICENSING CORP0 citations63
US9848191B2Dec 19, 2017
Adaptive filtering based upon boundary strength
DOLBY LABORATORIES LICENSING CORP0 citations63
US9609327B1Mar 28, 2017
Adaptive filtering based upon boundary strength
DOLBY LABORATORIES LICENSING CORP0 citations63
SUN SHIJUN
1 patentShowing the top 50 of 62 patents by PatentIndex Score.