IF

Ippei Fujimoto

Ricoh Company: 4 patents #62 of 1,326Top 5%
Overall (2021): #48,639 of 548,734Top 9%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11099509 Fixing device and image forming apparatus Yoshiki Yamaguchi, Takashi Seto, Hiroshi Yoshinaga 2021-08-24
11054774 Nip forming member, fixing device, and image forming apparatus Yoshiharu Takahashi, Naoki Iwaya, Hitoshi Fujiwara, Yoshiki Yamaguchi 2021-07-06
10962908 Heating device, fixing device, and image forming apparatus Yoshiki Yamaguchi 2021-03-30
10942475 Fixing device and image forming apparatus including nip former of specific surface roughness Yoshiki Yamaguchi, Takashi Seto, Hiroyuki Shimada 2021-03-09