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USPTO Patent Rankings Data through Sept 30, 2025
KA

Keiichi Akatani

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #3,397,493 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7277660 Outer cover attachment structure, fixation member of apparatus, transportation method of apparatus, apparatus, and image formation device Hiroyuki Umeyama, Tetsuhiro Kogawa 2007-10-02