YI

Yusuke Ishizuka

Ricoh Company: 2 patents #192 of 1,125Top 20%
Overall (2022): #93,372 of 548,613Top 20%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11474445 Cleaning device for cleaning a discharge wire, charger, and image forming apparatus Akira Fujimori, Hideki Kimura, Hiroshi Kikuchi, Yutaka Takahashi 2022-10-18
11307515 Developing device with a developer regulator and a stopper Hiroshi Kikuchi, Akira Fujimori, Hideki Kimura, Yutaka Takahashi, Johji Yahagi +1 more 2022-04-19