Inventor
KAWADA RYOICHI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “KAWADA RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KDDI CORP
13 patentsUS7876907B2Jan 25, 2011
Apparatus for fault detection for parallelly transmitted audio signals and apparatus for delay difference detection and adjustment for parallelly transmitted audio signals
KDDI CORP14 citations84
US7199819B2Apr 3, 2007
Device for automatically detecting picture degradation
KDDI CORP11 citations84
US6943827B2Sep 13, 2005
Apparatus for monitoring quality of picture in transmission
KDDI CORP19 citations84
US7738664B2Jun 15, 2010
Apparatus for fault detection for parallelly transmitted audio signals and apparatus for delay difference detection and adjustment for parallelly transmitted audio signals
KDDI CORP6 citations74
US7675540B2Mar 9, 2010
Concealed regions complementing system of free viewpoint video images
KDDI CORP6 citations74
US7385627B2Jun 10, 2008
Picture feature extraction system and picture quality evaluation system
KDDI CORP8 citations74
US7551198B2Jun 23, 2009
Transmitted picture quality monitoring apparatus
KDDI CORP5 citations63
US7068304B2Jun 27, 2006
Apparatus for assessing quality of a picture in transmission, and apparatus for remote monitoring quality of a picture in transmission
KDDI CORP3 citations63
US6952449B2Oct 4, 2005
Detection apparatus for road obstructions
KDDI CORP4 citations63
US6909468B2Jun 21, 2005
Positional difference correcting apparatus between two-route videos
KDDI CORP4 citations63
US7773674B2Aug 10, 2010
Image matching device and method for motion pictures
KDDI CORP1 citations52
US7508414B2Mar 24, 2009
Transmitted-picture quality monitoring apparatus
KDDI CORP0 citations52
US7305032B2Dec 4, 2007
Image matching device and method for motion pictures
KDDI CORP0 citations52
KOKUSAI DENSHIN DENWA CO LTD
3 patentsUS5568196AOct 22, 1996
Motion adaptive noise reduction filter and motion compensated interframe coding system using the same
KOKUSAI DENSHIN DENWA CO LTD69 citations96
US5699499ADec 16, 1997
Post-processor of motion vectors for field interpolation
KOKUSAI DENSHIN DENWA CO LTD32 citations92
US6141449AOct 31, 2000
Coding mode determination system
KOKUSAI DENSHIN DENWA CO LTD18 citations84
KDD CORP
3 patentsUS6772392B1Aug 3, 2004
Image failure detection unit in redundant duplex transmission
KDD CORP14 citations84
US6603505B1Aug 5, 2003
Device for objectively evaluating the quality of a digital transmitted picture
KDD CORP14 citations84
US6546054B1Apr 8, 2003
Video transmission system using plural links
KDD CORP9 citations74