HF

Hidehiko Fujiwara

Ricoh Company: 3 patents #302 of 1,683Top 20%
Overall (2011): #47,993 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8014713 Fixing device and image forming apparatus Shintaroh Yamada, Kazunori Bannai, Manabu Nonaka 2011-09-06
7962082 Fixing device, image forming apparatus, and fixing method having an expanding/contracting contacting member Toshiaki Takahashi, Manabu Nonaka 2011-06-14
7907869 Charging brush unit, charging device, and image forming apparatus Kohta Takenaka, Kazunori Bannai, Yu Wakabayashi 2011-03-15