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USPTO Patent Rankings Data through Sept 30, 2025
KS

Katsuya Shimamura

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #3,042,390 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8976964 Key pair management method and image forming device 2015-03-10