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USPTO Patent Rankings Data through Sept 30, 2025
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Hidenori Nihei

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #2,125,183 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7769310 Image forming apparatus with improved separability of transfer material Hirokazu Ishii, Satoshi Takano, Hiroshi Saitoh, Ryoh Tanoue, Itaru Matsuda +3 more 2010-08-03
7184678 Image forming apparatus with improved separatability of transfer material Hirokazu Ishii, Satoshi Takano, Hiroshi Saitoh, Ryoh Tanoue, Itaru Matsuda +3 more 2007-02-27