1
Katsuaki Hirai, Noriyoshi Ueda, Yoshifumi Takehara, Masaaki Sato, Katsuhito Kato, Naho Saitoh, Kenichi Hayashi: Sheet processing apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, April 27, 1999: US05897250 (44 worldwide citation)

A sheet processing apparatus includes a first sheet feeder for feeding a first sheet; a second sheet feeder for feeding a second sheet for discrimination; a sheet sticking device for sticking the second sheet fed from said second sheet feeder on the first sheet in the first sheet feeder such that a ...


2
Tadayuki Kitajima, Masataka Naito, Noriyoshi Ueda, Katsuaki Hirai, Takeshi Honjo, Yuji Morishige, Akimaro Yoshida: Sheet original feeding apparatus and image forming system. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, July 21, 1992: US05132741 (35 worldwide citation)

A sheet original feeding apparatus comprises a sheet original stacking tray on which sheet originals to be treated are stacked as an original stack. A sheet original separator separates and supplies the sheet original one by one from the bottom of the original stack stacked on the sheet original sta ...


3
Kenichi Hayashi, Katsuaki Hirai: Sheet handling device and images forming apparatus using the device. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, July 24, 2001: US06264194 (33 worldwide citation)

A sheet handling device includes an ejection device for ejecting sheets; a stack device for stacking thereon the sheets ejected by the ejection device and having a stopper portion for supporting the ends of the sheets; a rotatable feeding member shaped like an endless belt for making contact with th ...


4
Katsuaki Hirai: Stapler with interchangeable cartridges. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 5, 2002: US06474633 (25 worldwide citation)

A stapler unit comprises a stapler provided with a stapling device for stapling a sheet stack, and a staple cartridge arrangement detachably loaded on the stapler and provided with a staple receiving device for receiving staples. A plurality of the staple cartridges for receiving staples having a pl ...


5
Katsuaki Hirai, Yoshifumi Takehara: Sheet post-processing apparatus with malfunction operation. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 12, 1996: US05573233 (23 worldwide citation)

A sheet post processing apparatus includes a plurality of movable a post-processing device for effecting a predetermined post-processing for a set of sheets; malfunction detector for detecting malfunction for each of the post-processing device; a controller, responsive to the malfunction detector, f ...


6
Katsuaki Hirai: Sheet treating apparatus with aligning device and image forming apparatus having the same. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 4, 2001: US06283470 (18 worldwide citation)

A sheet treating apparatus capable of stacking discharged sheets in the shape of bundle, including a sheet stacking device so positioned that the downstream side in the discharging direction is higher than the upstream side and serving to stack the sheets, a sheet receiving member so provided as to ...


7
Takeshi Yamada, Katsuaki Hirai: Automatic sheet feeding device with selectively applied pressure member. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 14, 1995: US05465949 (15 worldwide citation)

An automatic sheet feeding device includes a mounting unit for mounting a stack of sheets, a feeder for feeding each sheet of the stack of sheets, and a pressing unit for pressing the stack of sheets against the feeder by operating on the stack of sheets whenever necessary after feeding a sheet, a r ...


8
Satoshi Choho, Akimaro Yoshida, Katsuaki Hirai, Shuichi Yabe: Original convey apparatus with last original detection sensor. Canon Aptex, Canon Kabushiki Kaisha, September 30, 1997: US05671917 (14 worldwide citation)

The present invention provides an original convey apparatus with an original tray on which originals are rested, a conveyor for conveying the original on the original tray, a last original detector for detecting the fact that all of the originals on the original tray are conveyed, and original size ...


9
Katsuaki Hirai: Sheet processor with hole punch controller which avoids punching when preexisting hole exists and image forming apparatus provided with the same. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, March 1, 2005: US06860478 (8 worldwide citation)

A sheet processor capable of punching a sheet of paper without causing degraded alignment for filing or deteriorated quality of binding, and an image forming apparatus equipped with the sheet processor are provided. The sheet processor includes a punched hole detector for detecting whether a punched ...


10
Masahiro Kurahashi, Katsuaki Hirai, Norifumi Miyake, Keizo Isemura, Yuji Yamanaka, Naoto Watanabe, Tsuyoshi Moriyama, Hideki Kushida: Image forming apparatus, sheet containing device, sheet inserting device, book-binding system, and sheet processing apparatus. Canon Kabushiki Kaisha, Rossi Kimms & McDowell, November 20, 2007: US07296791 (8 worldwide citation)

There is provided an image forming apparatus that is capable of preventing input errors and eliminating the necessity of complicated input operations in making settings for a sheet mixing operation in which color image output sheets and black-and-white image output sheets are mixed into one group. A ...