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Junya Sumida

Brother Kogyo: 2 patents #179 of 496Top 40%
Overall (2022): #142,247 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11378895 Image forming apparatus with developing roller separation processing Toshiyuki Sano, Yusuke Ikegami, Chieko Mimura, Shintaro Sakaguchi 2022-07-05
11231659 Image forming apparatus which switches from color to monochrome mode with charging and developing bias reduction Shunsuke Ishii, Toshio Furukawa, Toshiyuki Sano, Shintaro Sakaguchi 2022-01-25