HN

Hisashi Nakajima

Ricoh Company: 2 patents #192 of 1,125Top 20%
Overall (2022): #154,748 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11287757 Toner, toner stored container, developer, developing device, process cartridge, and image forming apparatus Akihiro Kaneko, Yoshitaka Yamauchi, Katsunori Kurose, Hyo Shu 2022-03-29
11256188 Toner, toner stored unit, and image forming apparatus Akihiro Kaneko, Kazumi Suzuki, Yoshitaka Yamauchi, Kohtaroh Ogino, Teruyuki Suzuki +1 more 2022-02-22