RK

Ryohei Kumagai

EZ Ezel: 39 patents #1 of 24Top 5%
YO Yozan: 12 patents #10 of 43Top 25%
Sharp Kabushiki Kaisha: 6 patents #2,623 of 10,731Top 25%
AC Advance Co.: 1 patents #10 of 23Top 45%
📍 Kodaira, JP: #16 of 1,073 inventorsTop 2%
Overall (All Time): #51,286 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 26–50 of 52 patents

Patent #TitleCo-InventorsDate
5276778 Image processing system 1994-01-04
5267324 Image comparison method 1993-11-30
5259065 Data processing system Sunao Takatori, Koji Matsumoto, Makoto Yamamoto 1993-11-02
5249136 System for measuring fluid-flow velocity distribution 1993-09-28
5231678 Configuration recognition system calculating a three-dimensional distance to an object by detecting cross points projected on the object Sunao Takatori, Koji Matsumoto, Makoto Yamamoto 1993-07-27
5228097 Method for registering image data 1993-07-13
5220647 Image processing method 1993-06-15
5204617 Liquid crystal panel inspection method 1993-04-20
5201013 Dither processing method 1993-04-06
5195171 Data processing system Sunao Takatori, Makoto Yamamoto, Koji Matsumoto 1993-03-16
5185816 Method of selecting characeteristics data for a data processing system Sunao Takatori, Koji Matsumoto, Makoto Yamamoto 1993-02-09
5175593 Fingerprint photographing system Kazuo Maruta 1992-12-29
5164997 Method and apparatus for aligning images using pixels of closed contours 1992-11-17
5159645 Method for recognizing concavities in an image subject to character recognition 1992-10-27
5159646 Method and system for verifying a seal against a stored image 1992-10-27
5151794 Image processing method 1992-09-29
5146549 Method and apparatus for identifying a pair of groups in an image having a minimum separation distance 1992-09-08
5136653 Acoustic recognition system using accumulate power series Sunao Takatori, Makoto Yamamoto 1992-08-04
5103487 Image processing method 1992-04-07
5086482 Image processing method 1992-02-04
5077808 Method for processing an image by histogram alteration 1991-12-31
5075872 Method for converting a multiple-density image into a binary density image 1991-12-24
5040230 Associative pattern conversion system and adaptation method thereof Sunao Takatori, Makoto Yamamoto 1991-08-13
5034992 Image processing method 1991-07-23
5023729 Method and system for generating a density concurrent matrix 1991-06-11