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Yoshitaka Yamauchi

Ricoh Company: 3 patents #82 of 1,125Top 8%
Overall (2022): #55,238 of 548,613Top 15%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11287757 Toner, toner stored container, developer, developing device, process cartridge, and image forming apparatus Hisashi Nakajima, Akihiro Kaneko, Katsunori Kurose, Hyo Shu 2022-03-29
11256188 Toner, toner stored unit, and image forming apparatus Akihiro Kaneko, Kazumi Suzuki, Hisashi Nakajima, Kohtaroh Ogino, Teruyuki Suzuki +1 more 2022-02-22
11215936 Toner, image forming apparatus, image forming method, and toner accommodating unit Namie Suzuki 2022-01-04