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USPTO Patent Rankings Data through Sept 30, 2025
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Seiji Saitoh

Ricoh Company: 1 patents #1,005 of 2,036Top 50%
Overall (2016): #233,380 of 481,213Top 50%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9229381 Cleaning device, fixing device including the cleaning device, and image forming apparatus including the fixing device 2016-01-05