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Yoshiki Yamaguchi

Ricoh Company: 4 patents #62 of 1,326Top 5%
Overall (2021): #36,565 of 548,734Top 7%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

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