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 1–25 of 52 patents

Patent #TitleCo-InventorsDate
5684897 Method for quantizing color image data by minimizing least squares error of binary coding Zi Quan Hong 1997-11-04
5664069 Data processing system Sunao Takatori, Koji Matsumoto, Makoto Yamamoto 1997-09-02
5633988 Adaptation method for data processing system Sunao Takatori, Koji Matsumoto, Makoto Yamamoto 1997-05-27
5621823 Image processing method for thinning lines using index values 1997-04-15
5594811 Apparatus and method for recognizing a character Zi Quan Hong, Tetsuo Ohsiro 1997-01-14
5572595 Method of detecting the location of a human being in three dimensions Zi Quan Hong 1996-11-05
5553196 Method for processing data using a neural network having a number of layers equal to an abstraction degree of the pattern to be processed Sunao Takatori, Koji Matsumoto, Makoto Yamamoto 1996-09-03
5553170 High speed image processing system having a preparation portion and a converting portion generating a processed image based on the preparation portion 1996-09-03
5506915 Associative pattern conversion system and adaptation method thereof Sunao Takstori, Makoto Yamamoto 1996-04-09
5490225 Method and system for comparing two images by making an initial rough judgement 1996-02-06
5463717 Inductively coupled neural network Sunao Takatori, Koji Matsumoto, Makoto Yamamoto 1995-10-31
5450291 Lighting system for camera 1995-09-12
5438634 Dither processing method 1995-08-01
5438682 Data processing system for rewriting parallel processor output data using a sequential processor 1995-08-01
5416850 Associative pattern conversion system and adaption method thereof Sunao Takatori, Makoto Yamamoto 1995-05-16
5414666 Memory control device Weikang Yang 1995-05-09
5394481 Liquid crystal panel inspection method Kaoru Hiiro, Harumi Shimizu, Manabu Oosaka, Tooru Takahashi 1995-02-28
5394510 Neural network-type data processing system recognizing a predetermined shape using inhibitory connections Sunao Takatori, Koji Matsumoto, Makoto Yamamoto 1995-02-28
5384866 Thinning method of an image 1995-01-24
5367580 Method and system for establishing a coincidence between two images 1994-11-22
5361328 Data processing system using a neural network Sunao Takatori, Koji Matsumoto, Makoto Yamamoto 1994-11-01
5355438 Weighting and thresholding circuit for a neural network Sunao Takatori, Koji Matsumato, Makoto Yamamoto 1994-10-11
5315669 Dither processing method 1994-05-24
5315664 Number plate recognition system 1994-05-24
5283866 Image processing system 1994-02-01