YF

Yoshihiro Fujiwara

Ricoh Company: 1 patents #309 of 982Top 35%
Overall (2023): #195,021 of 537,848Top 40%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11835887 Developer accommodating device with screw including screw blade as rotator, developing device, process cartridge, and image forming apparatus Yuuki Tsuchiya, Tomohiro Kubota, Shuntaroh Tamaki, Ryusuke Mase 2023-12-05