Inventor
KUMAGAI RYOHEI
JP53 patents
⚠️ This page may combine multiple inventors who share the name “KUMAGAI RYOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EZEL INC
38 patentsUS5007098AApr 9, 1991
Vectorizing method
EZEL INC201 citations99
US5450291ASep 12, 1995
Lighting system for camera
EZEL INC123 citations98
US5315664AMay 24, 1994
Number plate recognition system
EZEL INC63 citations96
US5490225AFeb 6, 1996
Method and system for comparing two images by making an initial rough judgement
EZEL INC28 citations93
US5438634AAug 1, 1995
Dither processing method
EZEL INC23 citations93
US5315669AMay 24, 1994
Dither processing method
EZEL INC20 citations93
US5283866AFeb 1, 1994
Image processing system
EZEL INC27 citations93
US5267324ANov 30, 1993
Image comparison method
EZEL INC35 citations93
US5231678AJul 27, 1993
Configuration recognition system calculating a three-dimensional distance to an object by detecting cross points projected on the object
EZEL INC33 citations93
US5201013AApr 6, 1993
Dither processing method
EZEL INC25 citations93
US5164997ANov 17, 1992
Method and apparatus for aligning images using pixels of closed contours
EZEL INC24 citations93
US5159646AOct 27, 1992
Method and system for verifying a seal against a stored image
EZEL INC31 citations93
US5159645AOct 27, 1992
Method for recognizing concavities in an image subject to character recognition
EZEL INC44 citations93
US5414666AMay 9, 1995
Memory control device
EZEL INC25 citations92
US5175593ADec 29, 1992
Fingerprint photographing system
EZEL INC23 citations91
US5339093AAug 16, 1994
Liquid crystal panel inspection method
EZEL INC33 citations89
US5204617AApr 20, 1993
Liquid crystal panel inspection method
EZEL INC20 citations82
US5040230AAug 13, 1991
Associative pattern conversion system and adaptation method thereof
EZEL INC20 citations82
US5553170ASep 3, 1996
High speed image processing system having a preparation portion and a converting portion generating a processed image based on the preparation portion
EZEL INC15 citations74
US5367580ANov 22, 1994
Method and system for establishing a coincidence between two images
EZEL INC12 citations74
US5361328ANov 1, 1994
Data processing system using a neural network
EZEL INC8 citations74
US5228097AJul 13, 1993
Method for registering image data
EZEL INC13 citations74
US5220647AJun 15, 1993
Image processing method
EZEL INC17 citations74
US5151794ASep 29, 1992
Image processing method
EZEL INC11 citations74
US5086482AFeb 4, 1992
Image processing method
EZEL INC13 citations74
US5075872ADec 24, 1991
Method for converting a multiple-density image into a binary density image
EZEL INC13 citations74
US5034992AJul 23, 1991
Image processing method
EZEL INC14 citations74
US5684897ANov 4, 1997
Method for quantizing color image data by minimizing least squares error of binary coding
EZEL INC10 citations70
US5394481AFeb 28, 1995
Liquid crystal panel inspection method
EZEL INC12 citations70
US5416850AMay 16, 1995
Associative pattern conversion system and adaption method thereof
EZEL INC2 citations63
US5384866AJan 24, 1995
Thinning method of an image
EZEL INC7 citations63
US5276778AJan 4, 1994
Image processing system
EZEL INC2 citations63
US5249136ASep 28, 1993
System for measuring fluid-flow velocity distribution
EZEL INC2 citations63
US5136653AAug 4, 1992
Acoustic recognition system using accumulate power series
EZEL INC5 citations63
US5077808ADec 31, 1991
Method for processing an image by histogram alteration
EZEL INC3 citations63
US5023729AJun 11, 1991
Method and system for generating a density concurrent matrix
EZEL INC4 citations63
US5355438AOct 11, 1994
Weighting and thresholding circuit for a neural network
EZEL INC3 citations58
US5506915AApr 9, 1996
Associative pattern conversion system and adaptation method thereof
EZEL INC4 citations57
YOZAN INC
11 patentsUS5664069ASep 2, 1997
Data processing system
YOZAN INC20 citations93
US5553196ASep 3, 1996
Method for processing data using a neural network having a number of layers equal to an abstraction degree of the pattern to be processed
YOZAN INC24 citations93
US5463717AOct 31, 1995
Inductively coupled neural network
YOZAN INC18 citations82
US5438682AAug 1, 1995
Data processing system for rewriting parallel processor output data using a sequential processor
YOZAN INC8 citations74
US5394510AFeb 28, 1995
Neural network-type data processing system recognizing a predetermined shape using inhibitory connections
YOZAN INC7 citations74
US5195171AMar 16, 1993
Data processing system
YOZAN INC15 citations74
US5185816AFeb 9, 1993
Method of selecting characeteristics data for a data processing system
YOZAN INC8 citations74
US5572595ANov 5, 1996
Method of detecting the location of a human being in three dimensions
YOZAN INC8 citations70
US5633988AMay 27, 1997
Adaptation method for data processing system
YOZAN INC4 citations63
US5621823AApr 15, 1997
Image processing method for thinning lines using index values
YOZAN INC2 citations63
US5259065ANov 2, 1993
Data processing system
YOZAN INC2 citations63
ADVANCE COMPANY LIMITED
1 patentShowing the top 50 of 53 patents by PatentIndex Score.