KM

Kentarou Matsumoto

Ricoh Company: 2 patents #192 of 1,125Top 20%
Overall (2022): #139,741 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11454897 Developing device and image forming apparatus containing regulated bearing Kei Saito, Kunihiro Ohyama, Naohiro Kawashima 2022-09-27
11366410 Developer container, developing device, process cartridge, and image forming apparatus Naohiro Kawashima, Kei Saito, Kunihiro Ohyama 2022-06-21