HY

Hiroshi Yoshinaga

Ricoh Company: 4 patents #32 of 684Top 5%
SI Sumitomo Rubber Industries: 1 patents #52 of 140Top 40%
Overall (2003): #9,830 of 273,478Top 4%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6636709 Fixing device having temperature detecting member and image forming apparatus using said fixing device Hideo Furukawa, Takuya Ejiri, Motokazu Yasui, Hiroyuki Gotoh, Masanao Ehara +1 more 2003-10-21
6628916 Fixing device preventing rubbing of toner image Motokazu Yasui, Masanao Ehara, Hideo Furukawa, Hirofumi Ogawa, Hiroyuki Gotoh 2003-09-30
6577943 System for distributing road surface information, system for collecting and distributing vehicle information, device for transmitting vehicle information and program for controlling vehicle Yukio Nakao 2003-06-10
6546219 Method and apparatus for performing a charging process on an image carrying device Masumi Sato, Yukiko Iwasaki, Hitoshi Ishibashi, Takatsugu Fujishiro, Masami Hiramatsu +1 more 2003-04-08
6505022 Image forming apparatus having protective layer on the surface of image bearing member to avoid adhesion of film of additives to image bearing member Akio Kosuge, Masumi Sato, Hitoshi Ishibashi, Yukiko Iwasaki 2003-01-07