Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Tadashi Furushima

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #2,279,144 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5521676 Method and apparatus for controlling the temperature of a fixing device in an image forming apparatus depending on a paper feed path or method 1996-05-28
5070324 Variable magnification copier 1991-12-03