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USPTO Patent Rankings Data through Sept 30, 2025
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Yuh Nakajima

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #3,773,594 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5426712 Method and apparatus for describing a character image based on its contours, and for classifying the character image for character recognition based on a resulting contour-based description of the character image 1995-06-20