Patents by Inventor Satoshi Nishida

Satoshi Nishida has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20160349680
    Abstract: Provided is a fixing apparatus for fixing a toner image on a recording material while conveying the recording material on which the toner image has been formed at a nip portion that includes a roller, a heating unit configured to heat the roller from outside the roller, the heating unit receiving power supplied from a power supply, a backup unit forming the nip portion with the roller, and a power shutdown member configured to operate in response to an abnormal temperature of the backup unit and shut down power supply to the heating unit.
    Type: Application
    Filed: May 25, 2016
    Publication date: December 1, 2016
    Inventors: Takanori Mitani, Akimichi Suzuki, Satoshi Nishida, Isamu Takeda, Kazuhiro Doda, Keisuke Samejima, Hiroshi Yadoiwa
  • Publication number: 20160342117
    Abstract: An image forming apparatus for forming a toner image on a recording material, the apparatus includes a cylindrical film; a plate-like nip forming member contacted with an inner surface of the film, the nip forming member including a base member and a coating layer on the base member, the coating layer having a thermal expansion coefficient smaller than that of the base member; and a roller cooperative with the nip forming member to form a nip, wherein the coating layer is provided on a first surface of the nip forming member which is opposed to the film and on a second surface opposite from the first surface except for an outer edge portion of the nip forming member.
    Type: Application
    Filed: May 20, 2016
    Publication date: November 24, 2016
    Inventors: Yasuhito Minamishima, Satoshi Nishida, Isamu Takeda, Takanori Mitani, Kazuhiro Doda, Hideo Nanataki, Akimichi Suzuki
  • Publication number: 20160327894
    Abstract: An image fixing device includes an elastic roller; a back-up unit forming a fixing nip with the roller therebetween, the back-up unit including a cylindrical film, a film guide, extending inside the film, for guiding the film, and an end portion guiding member including a guiding portion for guiding an inner surface of an end portion of the film. The film guide includes plural ribs contacting the film and arranged in a generatrix direction at positions upstream of the fixing nip with respect to a feeding direction of a sheet. The ribs have free end portions retracted more toward a downstream side with respect to the feeding direction of the recording material than the guiding portion of the end portion guiding member. An inside rib has a free end portion which is retracted more toward the downstream side than free end portions of the opposite end ribs.
    Type: Application
    Filed: July 21, 2016
    Publication date: November 10, 2016
    Inventors: Karen Tsunashima, Ryo Miyata, Kazuhiro Doda, Satoshi Nishida
  • Publication number: 20160306310
    Abstract: A cylindrical film used in an image heating device heating a recording material, on which an image has been formed, has a resin layer, this resin layer being made from a resin in which a crystalline resin and an amorphous resin having a higher glass transition temperature than the crystalline resin are blended, wherein a volume ratio of the crystalline resin with respect to the amorphous resin in the resin layer is 70/30 to 99/1.
    Type: Application
    Filed: June 29, 2016
    Publication date: October 20, 2016
    Inventors: Takanori Mitani, Akimichi Suzuki, Kazuhiro Doda, Satoshi Nishida, Isamu Takeda, Akira Okano, Masahiro Suzuki
  • Publication number: 20160299460
    Abstract: An image forming apparatus includes a fixing unit including a roller, a heating rotary member heating the roller, and a backup member forming a nip portion, a temperature detection unit detecting a temperature of the heating rotary member, and a control unit for controlling power so that the detected temperature is maintained at a target temperature, wherein a print job includes a first step in which the unfixed toner image is formed on the recording material, a second step in which fixing processing is executed, and a third step in which the fixing unit is cleaned, and wherein the third step is executed following the second step, and in the third step, while the target temperature is set higher than the target temperature in the second step, the roller and the heating rotary member are rotated in a state where no recording material is present at the nip portion.
    Type: Application
    Filed: April 5, 2016
    Publication date: October 13, 2016
    Inventors: Satoshi Nishida, Isamu Takeda, Akimichi Suzuki, Shogo Kan, Kazuhiro Doda, Takanori Mitani
  • Patent number: 9463529
    Abstract: The laser machining apparatus includes a transmission fiber that transmits laser light emitted from a laser oscillator through the fiber, a machining head that emits the laser light, which is sent from the transmission fiber, vertically to a main surface of a machining object and sends reflected light, which is reflected coaxially with the laser light by the machining object, to the transmission fiber, a reflected light monitoring unit that detects a reflected light intensity of the reflected light sent from the transmission fiber, and a control device that controls the laser oscillator and the machining head, in which the control device includes a determining unit that, at a time when laser machining is started, determines whether the machining object corresponds to a machining condition or not in laser machining on the basis of the reflected light intensity.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: October 11, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Naoki Miyamoto, Kenji Kumamoto, Satoshi Nishida, Toshiki Koshimae, Hiroshi Kino, Hiroaki Kurokawa
  • Patent number: 9423732
    Abstract: An image fixing device includes an elastic roller; a back-up unit forming a fixing nip with the roller therebetween, the back-up unit including a cylindrical film, a film guide, extending inside the film, for guiding the film, and an end portion guiding member including a guiding portion for guiding an inner surface of an end portion of the film. The film guide includes plural ribs contacting the film and arranged in a generatrix direction at positions upstream of the fixing nip with respect to a feeding direction of a sheet. The ribs have free end portions retracted more toward a downstream side with respect to the feeding direction of the recording material than the guiding portion of the end portion guiding member. An inside rib has a free end portion which is retracted more toward the downstream side than free end portions of the opposite end ribs.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: August 23, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Karen Tsunashima, Ryo Miyata, Kazuhiro Doda, Satoshi Nishida
  • Publication number: 20160238118
    Abstract: Provided is a combine with a speed-change power transmission apparatus including: a hydraulic static continuously variable transmission unit that receives an input of drive force from an engine, and subjects the drive force to speed change; and a planetary power transmission unit that combines the drive force from the engine and an output from the continuously variable transmission unit and outputs a combined drive force to a travelling apparatus, wherein a power transmission case can be made lighter at low cost. In this combine, a continuously variable transmission case portion of a power transmission case, which houses a continuously variable transmission unit, is formed integrally with a planetary power transmission case portion of the power transmission case, which houses a planetary power transmission unit.
    Type: Application
    Filed: February 25, 2014
    Publication date: August 18, 2016
    Inventors: Yuji Kato, Seiji Norita, Satoshi Nishida
  • Patent number: 9411282
    Abstract: A cylindrical film used in an image heating device heating a recording material, on which an image has been formed, has a resin layer, this resin layer being made from a resin in which a crystalline resin and an amorphous resin having a higher glass transition temperature than the crystalline resin are blended, wherein a volume ratio of the crystalline resin with respect to the amorphous resin in the resin layer is 70/30 to 99/1.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: August 9, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takanori Mitani, Akimichi Suzuki, Kazuhiro Doda, Satoshi Nishida, Isamu Takeda, Akira Okano, Masahiro Suzuki
  • Publication number: 20160187803
    Abstract: The image forming system having an image forming apparatus and a charge adjusting apparatus has a decision unit that decides an amount of charge to be applied to a recording sheet from coverages of toner images of both surfaces of the recording sheet, the image forming apparatus has a fixing unit that heats and presses a recording sheet to which a toner image is transferred, thereby fixing the toner image to the recording sheet, and the charge adjusting apparatus has a voltage applying unit that applies a voltage to the recording sheet to which the toner image is fixed by the fixing unit, thereby applying charge with the amount decided by the decision unit to the recording sheet.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 30, 2016
    Inventors: Sachie MATSUDAIRA, Satoshi NISHIDA, Junichi HAMADA
  • Patent number: 9377735
    Abstract: A fixing apparatus that heats, at a nip portion, a recording material, bearing a toner image, while conveying the recording material to fix the toner image thereto, includes a roller, a heating unit configured to contact the roller to form a heating portion with the roller, and heat the roller via the heating portion, wherein the heating unit includes a film, and a heating portion forming member configured to contact an inner surface of the film and form the heating portion with the roller via the film, and a backup member configured to contact the roller and form the nip portion with the roller. A micro hardness of a surface of the roller is lower than that of the film at the heating portion, and in at least a partial region of the heating portion, a velocity difference is provided between the surfaces of the roller and the film.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: June 28, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Isamu Takeda, Satoshi Nishida
  • Patent number: 9335688
    Abstract: An image forming apparatus includes an image forming portion; and a fixing portion. The fixing portion includes a cylindrical film, a nip-forming member and a roller including a shaft portion and an elastic layer. The elastic layer contacts an outer surface of the film except an end region of the film with respect to a generatrix direction. In the end region, the shaft portion and the outer surface of the film oppose each other with a spatial region with respect to a radial direction of the shaft portion. The image forming apparatus includes a spacer occupying at least a part of the spatial region.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: May 10, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takanori Mitani, Satoshi Nishida, Hideo Nanataki, Akimichi Suzuki, Shogo Kan, Kensuke Umeda, Takaaki Akamatsu
  • Patent number: 9331457
    Abstract: A semiconductor laser apparatus, including: a beam divergence angle correction optical system for correcting a divergence angle of beams generated from light emitting points of a semiconductor laser bar; a beam rotation optical system for rotating the beams each having the corrected divergence angle; a wavelength dispersion optical element having a wavelength dispersion function; and a partial reflection mirror. A relative position of the beam divergence angle correction optical system with respect to the light emitting point in a divergence angle correction direction is changed for each light emitting point.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: May 3, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Daiji Morita, Tomotaka Katsura, Susumu Konno, Shuichi Fujikawa, Satoshi Nishida, Kenji Kumamoto, Naoki Miyamoto, Hiroaki Kurokawa
  • Publication number: 20160054689
    Abstract: An image forming apparatus includes an image forming portion; and a fixing portion. The fixing portion includes a cylindrical film, a nip-forming member and a roller including a shaft portion and an elastic layer. The elastic layer contacts an outer surface of the film except an end region of the film with respect to a generatrix direction. In the end region, the shaft portion and the outer surface of the film oppose each other with a spatial region with respect to a radial direction of the shaft portion. The image forming apparatus includes a spacer occupying at least a part of the spatial region.
    Type: Application
    Filed: October 26, 2015
    Publication date: February 25, 2016
    Inventors: Takanori Mitani, Satoshi Nishida, Hideo Nanataki, Akimichi Suzuki, Shogo Kan, Kensuke Umeda, Takaaki Akamatsu
  • Publication number: 20160033908
    Abstract: An image fixing device includes an elastic roller; a back-up unit forming a fixing nip with the roller therebetween, the back-up unit including a cylindrical film, a film guide, extending inside the film, for guiding the film, and an end portion guiding member including a guiding portion for guiding an inner surface of an end portion of the film. The film guide includes plural ribs contacting the film and arranged in a generatrix direction at positions upstream of the fixing nip with respect to a feeding direction of a sheet. The ribs have free end portions retracted more toward a downstream side with respect to the feeding direction of the recording material than the guiding portion of the end portion guiding member. An inside rib has a free end portion which is retracted more toward the downstream side than free end portions of the opposite end ribs.
    Type: Application
    Filed: August 3, 2015
    Publication date: February 4, 2016
    Inventors: Karen Tsunashima, Ryo Miyata, Kazuhiro Doda, Satoshi Nishida
  • Publication number: 20160005069
    Abstract: It is also an object to provide objective advertisement plan(s). The target specifying information storage part 202 stores information for specifying target attribution including information for specifying information delivery medium of an object to contact with correspondently with searchers' id. The search term storage part 203 correspondently stores a searcher's id, the timing of search, and the term used for the search. The extraction part 204 extracts the timing of search for such search term for each searcher's id, segments the extracted search timing for each searcher's id into a predetermined number in chronological order and then extracts searcher's id belonging to each segment.
    Type: Application
    Filed: September 17, 2015
    Publication date: January 7, 2016
    Inventors: Satoshi NISHIDA, Shigetaka YAMAKAWA, Mieko SUGIHARA, Keita MANABE, Jun HASEGAWA, Yutaka KAMOSHITA, Hideaki HARUTA, Yoshifumi MORITA
  • Publication number: 20150378287
    Abstract: A cylindrical film used in an image heating device heating a recording material, on which an image has been formed, has a resin layer, this resin layer being made from a resin in which a crystalline resin and an amorphous resin having a higher glass transition temperature than the crystalline resin are blended, wherein a volume ratio of the crystalline resin with respect to the amorphous resin in the resin layer is 70/30 to 99/1.
    Type: Application
    Filed: September 8, 2015
    Publication date: December 31, 2015
    Inventors: Takanori Mitani, Akimichi Suzuki, Kazuhiro Doda, Satoshi Nishida, Isamu Takeda, Akira Okano, Masahiro Suzuki
  • Patent number: 9213276
    Abstract: An image forming apparatus includes an image forming portion; and a fixing portion. The fixing portion includes a cylindrical film, a nip-forming member and a roller including a shaft portion and an elastic layer. The elastic layer contacts an outer surface of the film except an end region of the film with respect to a generatrix direction. In the end region, the shaft portion and the outer surface of the film oppose each other with a spatial region with respect to a radial direction of the shaft portion. The image forming apparatus includes a spacer occupying at least a part of the spatial region.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: December 15, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takanori Mitani, Satoshi Nishida, Hideo Nanataki, Akimichi Suzuki, Shogo Kan, Kensuke Umeda, Takaaki Akamatsu
  • Patent number: 9207588
    Abstract: An image forming apparatus includes: an image forming portion; a fixing portion; a first air blowing portion; and a second air blowing portion. The apparatus is operable in a first air blowing mode in which both the first and second air blowing portions are driven and in which the direction of the air near the exit is the recording material feeding direction, and is operable in a second air blowing mode in which both the first and second air blowing portions are driven and in which a direction of the air near the exit is a recording material feeding direction and a speed of the air is lower than a speed of the air in the first air blowing mode or in which the direction of the air near the exit is the opposite direction to the recording material feeding direction.
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: December 8, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoshi Nishida, Takanori Mitani, Akimichi Suzuki, Hideo Nanataki, Shogo Kan
  • Patent number: 9195187
    Abstract: An image forming apparatus configured to form a toner image on a recording material, includes: an image forming unit configured to form a unfixed toner image on the recording material; a fixing unit configured to heat the recording material where the unfixed toner image is formed while conveying the recording material using a nip portion, and to fix the unfixed toner image on the recording material; and a control unit configured to perform control so that temperature of the fixing unit is maintained in target temperature, with the target temperature (Tn) of a n'th page in consecutive printing being set to the highest temperature of the target temperatures (Tn to Tn+k) according to each of image densities (Dn to Dn+k) at (n to (n+k))'th pages, where integer k?1.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: November 24, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shogo Kan, Akimichi Suzuki, Satoshi Nishida, Hideo Nanataki, Takanori Mitani