WK

Wataru Kawata

Canon: 34 patents #1,468 of 19,416Top 8%
Overall (All Time): #103,795 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
6505829 Sheet treating apparatus and image forming apparatus having the same 2003-01-14
6381443 Sheet punching device and image forming apparatus having the same Nobutaka Uto, Mitsugu Kamizuru, Yuji Yamanaka 2002-04-30
6264189 Sheet process apparatus 2001-07-24
6241234 Sheet processing apparatus and image forming apparatus using same Naho Saitoh, Yoshifumi Takehara, Kazuyuki Iwamoto, Kenichi Hayashi 2001-06-05
6237910 Sheet processing apparatus provided with sheet sensor and image forming apparatus 2001-05-29
6145826 Image forming apparatus 2000-11-14
5911414 Sheet transport apparatus having a hole puncher, and sheet processing device Katsuhito Kato, Noriyoshi Ueda, Yoshifumi Takehara, Naho Saitoh, Kazuyuki Iwamoto +1 more 1999-06-15
5875033 Sheet size detecting apparatus responsive to a conveying speed of the sheet Akimaro Yoshida 1999-02-23
5621501 Opening-closing mechanism for an automatic original feeding apparatus Kazuhiro Matsuo, Noriyoshi Ueda, Masakazu Hiroi, Tomohito Nakagawa 1997-04-15