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Mitsufumi Yamamoto

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
Overall (All Time): #1,176,239 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10228632 Powder detection device, image forming apparatus, powder detection method, and non-transitory recording medium Tetsuro Hirota, Kenji Kikuchi, Kazuho Satoh, Shingo Nishizaki, Ko Tokumaru 2019-03-12
9392138 Image forming apparatus and program thereof Natsuko Ishizuka 2016-07-12
8862908 Information processing apparatus, power source control method thereof, program thereof, and storage thereof Sumihiro Inokuchi, Shugo Okamura, Toyokazu Aoki, Takumi Kawamura, Kouji Yamanobe +2 more 2014-10-14
8463144 Image forming device, identifying device, semiconductor integrated device, and identifying method Masayuki Yabuuchi, Yuichiro Ueda, Sumihiro Inokuchi 2013-06-11