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USPTO Patent Rankings Data through Sept 30, 2025
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Yoshio Kubo

Ricoh Company: 1 patents #815 of 1,810Top 50%
Overall (2017): #186,669 of 506,227Top 40%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9618833 Image projection apparatus Yukimi NISHI, Naoyuki Ishikawa, Satoshi Tsuchiya, Akihisa Mikawa, Hideo Kanai +3 more 2017-04-11