HY

Hiroshi Yoshinaga

Ricoh Company: 4 patents #47 of 863Top 6%
Overall (2004): #15,135 of 270,089Top 6%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6785505 Fixing device preventing rubbing of toner image Motokazu Yasui, Masanao Ehara, Hideo Furukawa, Hirofumi Ogawa, Hiroyuki Gotoh 2004-08-31
6778790 Fixing device capable of preventing excessive increase in temperature Motokazu Yasui, Masanao Ehara, Hideo Furukawa, Yukiko Iwasaki 2004-08-17
6778797 Charging roller having elastic member Masumi Sato, Yukiko Iwasaki, Hitoshi Ishibashi, Takatsugu Fujishiro, Masami Hiramatsu 2004-08-17
6778804 Fixing device and image forming apparatus including the same Motokazu Yasui 2004-08-17