HS

Hiroaki Sakai

Canon: 4 patents #239 of 2,554Top 10%
SE Seiko Epson: 1 patents #368 of 895Top 45%
Overall (2003): #9,877 of 273,478Top 4%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6615002 Image forming apparatus and process cartridge for applying an alternating current to a charging member or charging means for charging an image bearing member Seiji Saito, Tomohiro Nakamori, Hiroshi Takami, Masaru Shimura, Takeshi Kawamura 2003-09-02
6603939 Developing apparatus, process cartridge, connecting method between developing frame and developer frame, and flexible seal Shinjiro Toba, Tadayuki Tsuda, Shigeo Miyabe 2003-08-05
6546214 Image forming apparatus comprising storing means for storing a parameter regarding an accumulation operation amount of the apparatus or of a cartridge detachably mountable to the apparatus Seiji Saito, Takeshi Kawamura 2003-04-08
6539184 Image forming apparatus with current control Masaru Shimura, Tomohiro Nakamori, Hiroshi Takami, Seiji Saito 2003-03-25
6522347 Display apparatus, portable information processing apparatus, information recording medium, and electronic apparatus Keisuke Tsuji 2003-02-18