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Mayumi Matsubara

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #2,618,585 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11809472 Service providing system, information processing apparatus, information processing method Shintaro Kawamura, Atsuko Shimada, Shohichi Naitoh, Yuriko Yamaya, Shinya Iguchi 2023-11-07