RK

Ryohei Kumagai

YO Yozan: 4 patents #4 of 9Top 45%
Sharp Kabushiki Kaisha: 2 patents #95 of 823Top 15%
EZ Ezel: 1 patents #1 of 2Top 50%
📍 Kodaira, JP: #2 of 104 inventorsTop 2%
Overall (1997): #3,480 of 185,788Top 2%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 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