DH

Daisuke Hamada

Ricoh Company: 2 patents #386 of 1,821Top 25%
Overall (2018): #156,350 of 503,207Top 35%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9939758 Developing device, and image forming apparatus and process cartridge incorporating same Takahiro Adachi, Akira Fujimori, Yutaka Takahashi 2018-04-10
9910383 Powder container and image forming apparatus Shingo Kuboki, Jun Shiori, Hideo Yoshizawa, Natsumi Matsue 2018-03-06