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Yoshitaka Yamauchi

Ricoh Company: 3 patents #185 of 1,487Top 15%
Overall (2020): #61,725 of 565,922Top 15%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10627732 Toner, developer, toner storage unit, image forming apparatus, image forming method, and method for producing printed matter Kohtaroh Ogino, Akihiro Kaneko, Kazumi Suzuki, Hisashi Nakajima 2020-04-21
10599059 Toner, image forming apparatus, image forming method, and toner storage unit Namie Suzuki, Kazumi Suzuki, Hisashi Nakajima, Kohtaroh Ogino, Akihiro Kaneko 2020-03-24
10578988 Toner, image forming apparatus, and toner stored unit Kazumi Suzuki, Hisashi Nakajima, Saori Yamada, Yu Naito, Akihiro Kaneko 2020-03-03