YH

Yasuyoshi Hayakawa

Canon: 5 patents #101 of 2,442Top 5%
Overall (2004): #6,702 of 270,089Top 3%
5
Patents 2004

Issued Patents 2004

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6733007 Sheet material conveying device; image forming apparatus and sheet processing device Junichi Sekiyama, Tomoyuki Araki, Masayoshi Fukatsu 2004-05-11
6733008 Sheet conveying apparatus, and image forming apparatus and image reading apparatus having the sheet conveying apparatus Tsuyoshi Waragai, Atsushi Ogata 2004-05-11
6735415 Sheet postprocessing apparatus and image forming apparatus Kenichiro Isobe, Takashi Kuwata, Masayoshi Fukatsu, Junichi Sekiyama 2004-05-11
6722646 Sheet treating apparatus and image forming apparatus Junichi Sekiyama, Takashi Kuwata, Kenichiro Isobe, Masayoshi Fukatsu, Hironobu Ata 2004-04-20
6674976 Sheet post-processing device, image forming apparatus having the device and error handling method therefor Kaoru Sato, Takashi Kuwata, Mitsuhide Takamura 2004-01-06