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Hiromichi Atsuumi, Seizo Suzuki: Optical scanning apparatus and image forming apparatus. Ricoh Technology Research, Eugene C Rzucidlo, Greenberg Traurig, July 9, 2002: US06417509 (41 worldwide citation)

An optical scanning apparatus includes a light source for radiating a light beam, an optical scanning system for deflecting the light beam from the light source and condensing the light beam on a surface to be scanned, a detecting device for detecting an image forming state of the light beam scanned ...


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Naoki Wakasugi: Apparatus and method of automatically delivering E-mail stored in mail server to arbitrary facsimile apparatus. Ricoh Technology Research, Cooper & Dunham, June 25, 2002: US06411393 (31 worldwide citation)

A data terminal which is coupled to a local area network and a public switched telephone network includes first and second communications devices that transmit and receive electronic mails through the local area network and facsimile image information through the public switched telephone network, r ...


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Koji Masuda, Hiroshi Koizumi: Image forming elements array, and optical printing head and image forming apparatus using the array. Ricoh Technology Research, Eugene C Rzucidlo, Greenberg Traurig, December 17, 2002: US06496214 (19 worldwide citation)

An image forming elements array includes a plurality of image forming elements which are integrated with each other and are arranged to extend in an arrangement direction so as to generate an image having common magnification. When the distance along the optical axis from an object plane to the inci ...


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Yoshinori Hayashi: Optical scanning apparatus. Ricoh Technology Research, Eugene C Rzucidlo, Greenberg Traurig, September 3, 2002: US06445482 (12 worldwide citation)

An optical scanning apparatus for optically scanning a surface to be scanned at a constant velocity includes a light source for emitting a light flux, a first optical lens system for coupling the light flux emitted by the light source to a subsequent optical lens system, a second optical lens system ...


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Hiroyuki Gotoh: Image forming apparatus having an intermediate transfer belt with variable moving speed immediately following toner development. Ricoh Technology Research, McDermott Will & Emery, February 9, 1999: US05870649 (3 worldwide citation)

An image forming apparatus having an image carrying member bearing an electrostatic image wherein the electrostatic image is visualized into a toner image by a developing device. The image carrying member is arranged for transferring the toner image to an intermediate transfer element while the imag ...


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Soichi Nakamura: Communication apparatus, method for controlling communication apparatus, communication system, program and medium. Ricoh Technology Research, Oblon Spivak McClelland Maier & Neustadt L, November 13, 2012: US08310960

In a communication apparatus capable of switching states in response to a request from an external device, the communication apparatus switches states between said second state where the communication apparatus replies a valid response under limited circumstance and the third state where the communi ...


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Hiroyuki Gotoh: Image forming apparatus having an intermediate transfer belt with variable moving speed. Ricoh Technology Research, McDermott Will & Emery, March 14, 2000: US06038411

An image forming apparatus having an image carrying member bearing an electrostatic image wherein the electrostatic image is visualized into a toner image by a developing device. The image carrying member is arranged for transferring the toner image to an intermediate transfer element while the imag ...