YI

Yuuji Ishikura

Ricoh Company: 1 patents #623 of 1,487Top 45%
Overall (2020): #208,147 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10649371 Developing device, process cartridge, and image forming apparatus incorporating same Kei Saito, Yoshiyuki Fukuda, Masaaki Yamada 2020-05-12