Masayuki Ainoya: Electrophotographic printer. Hitachi Koki, Sughrue Mion Zinn Macpeak & Seas, July 24, 1990: US04943863 (23 worldwide citation)

An electrographic printer for printing an image on a continuous printing sheet having a leading edge and a tail edge, the printer including a photosensitive drum, a tractor for feeding the continuous printing sheet to the photosensitive drum, a guide member positioned at an image transfer position a ...

Masayasu Anzai, Tsuneaki Kawanishi, Yoshitaka Fujinuma, Hiroyoshi Matsumoto, Yasuo Takuma, Hisao Okada, Masayuki Ainoya, Takashi Suzuki, Yuichiro Suzuki, Tomonari Hokkyo, Koji Kato, Katsuya Kawai, Tsutomu Nakagawa: Electrophotographic apparatus. Hitachi Koki, Antonelli Terry Stout & Kraus, July 13, 1999: US05923933 (21 worldwide citation)

A uniform image is obtained by matching the sliding friction force, the moving speed and the developing agent in a developing region of two developing rollers and an electric characteristic of a photosensitive body used for image development. Two developing rollers rotating in directions opposite to ...

Masayuki Ainoya, Takeyuki Ishihara, Tesuo Kanno, Takahiro Kikuchi, Seiichi Mori, Shogo Nobumori, Junji Shirakawa: Sheet path in an electrophotographic printer. International Business Machines Corporation, Charles E Rohrer, May 29, 1990: US04929982 (15 worldwide citation)

An electrophotographic printer of the transfer type with separate input bins for holding cut sheet print material and fan-fold form print material. Separate paper paths are provided from each bin to a first function. An input paper path is provided for moving either cut sheet or fan-fold forms from ...

Norimasa Kondo, Takao Matsuoka, Masayuki Ainoya, Takuji Torii, Kazunobu Hayashi, Shuichi Morio, Shinya Tomita: Suction-purging unit and suction purging method for an ink jet printer. Hitachi Koki, Sughrue Mion Zinn Macpeak & Seas, January 10, 1995: US05381168 (7 worldwide citation)

A suction purging unit for removing dusts solidified ink etc. from nozzles of a print head of an ink jet printer, the nozzles being arrayed in a moving direction of the print head. A contact portion is provided at one side of a body portion in which a fluid passage is formed. The contact portion is ...

Motoya Toyoda, Masayuki Ainoya, Hiroomi Kozawa, Shigenobu Katagiri: Cleaning apparatus for xerographic printing apparatus. Hitachi Koki, Sughrue Mion Zinn and Macpeak, October 9, 1984: US04475807 (6 worldwide citation)

A cleaning apparatus for a copier includes a photoconductor-cleaning rotating fur brush disposed within a housing. In order to prevent toner buildup and resultant flaking within the housing, the brush and housing are relatively movable so that the brush can periodically clean the housing.

Takashi Suzuki, Masayuki Ainoya, Junji Shirakawa, Yoshitaka Fujinuma, Koji Kato, Kazuo Sunou: Image forming apparatus. Ricoh Printing Systems, McGinn IP Law Group PLLC, March 7, 2006: US07010242 (5 worldwide citation)

An image forming apparatus includes: a first image forming unit having a first printing section for forming a first image on the paper; a second image forming unit having a second printing section for forming a second image on the paper; and a paper conveying unit for conveying the paper from the fi ...

Takashi Suzuki, Yoshitaka Fujinuma, Masayuki Ainoya: Fixing device. Hitachi Koki, Sughrue Mion Zinn Macpeak & Seas PLLC, September 4, 2001: US06285846 (5 worldwide citation)

A fixing device has a web unit with a housing having two shaft members in parallel with each other, the housing defining a through hole on each of two lateral sides of the housing. The web unit also has a web member windably supported by the two shaft members, and a handle having two protrusion prot ...

Junji Shirakawa, Masayuki Ainoya, Minoru Seino: Image recording apparatus, and sheet conveying method thereof. Hitachi Koki, Sughrue Mion Zinn Macpeak & Seas PLLC, August 10, 1999: US05937261 (5 worldwide citation)

An image recording apparatus and a method of using the image recording apparatus. The image recording apparatus has a sheet sending path connecting a sheet supply section, an image forming section, and a sheet discharge section. A pull-in path branches from the sheet sending path, and a return path ...

Masayuki Ainoya, Hiroomi Kozawa, Takao Chikuzenya: Yoke mechanism of electrophotographic printing apparatus. Hitachi Koki, Sughrue Mion Zinn Macpeak & Seas, April 17, 1984: US04443091 (4 worldwide citation)

A yoke mechanism for a copier is provided with an engagement mechanism capable of holding the yoke at a position intermediate the retracted and transfer positions, at which position the yoke may be easily loaded with paper, and then moved to the transfer position, in one simple operation.

Kenji Ishii, Masayuki Ainoya, Junji Shirakawa, Minoru Seino, Hideki Ando: Electrophotographic apparatus having a paper holding member. Hitachi Koki, Sughrue Mion PLLC, October 28, 2003: US06640078 (2 worldwide citation)

A transfer guide is provided which includes a guide member for guiding paper to a transfer point and a paper holding member using an electrically conductive member attached to the guide member by means of a spring member and disposed in the vicinity of a surface of a photosensitive drum, such that t ...