YF

Yoshihiro Fujiwara

Ricoh Company: 2 patents #231 of 1,326Top 20%
Overall (2021): #96,213 of 548,734Top 20%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11112731 Developer container, developing device, and image forming apparatus Naohiro Kawashima, Yuki Oshikawa, Yuuki Tsuchiya, Ryusuke Mase, Tsutomu Iwata 2021-09-07
11086251 Image forming apparatus including control circuitry to execute a warm-up operation Ryusuke Mase, Yuki Oshikawa, Naohiro Kawashima, Yuuki Tsuchiya 2021-08-10