Patents by Inventor Shigemi Ohtsu

Shigemi Ohtsu 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).

  • Patent number: 10194531
    Abstract: Provided is a wiring board including a substrate formed of an insulation material, and plural conductive patterns including plural electrodes arranged on a surface of the substrate along an end surface of the substrate, and plural wiring patterns connected to the plural electrodes, respectively, wherein the substrate includes a notch formed between electrode groups each of which includes a predetermined number of the electrodes.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: January 29, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Shigemi Ohtsu
  • Patent number: 10091879
    Abstract: A conductor connecting structure includes a mounting board, a target board, and an anisotropic conductive material. The mounting board includes a base material including a first surface, a second surface, and an end surface. The mounting board also includes a first conductor layer and a second conductor layer. The target board includes a mounting surface and a third conductor layer formed on the mounting surface. The anisotropic conductive material includes a polymeric material and electrically conductive particles dispersed in the polymeric material. The electrically conductive particles, when heated, aggregate to connect an end portion of the first or second conductor layer to the third conductor layer. One of the end portions not subjected to connection established with the anisotropic conductive material is separated further from the end surface of the base material than another end portion which is connected to the third conductor layer.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: October 2, 2018
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Shigemi Ohtsu
  • Publication number: 20170347453
    Abstract: Provided is a wiring board including a substrate formed of an insulation material, and plural conductive patterns including plural electrodes arranged on a surface of the substrate along an end surface of the substrate, and plural wiring patterns connected to the plural electrodes, respectively, wherein the substrate includes a notch formed between electrode groups each of which includes a predetermined number of the electrodes.
    Type: Application
    Filed: October 28, 2016
    Publication date: November 30, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Shigemi OHTSU
  • Publication number: 20170064828
    Abstract: A conductor connecting structure includes a mounting board, a target board, and an anisotropic conductive material. The mounting board includes a base material that includes first and second surfaces. The mounting board also includes a conductor layer formed on the first or second surface and a first dummy conductor layer formed at a corner of the second surface. The target board includes a mounting surface, a conductor layer, and a second dummy conductor layer. The anisotropic conductive material includes a polymeric material and electrically conductive particles dispersed in the polymeric material. The electrically conductive particles, when heated, aggregate so as to connect an end portion of the conductor layer of the mounting board and the conductor layer of the target board to each other and connect the first and second dummy conductor layers to each other.
    Type: Application
    Filed: July 12, 2016
    Publication date: March 2, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Shigemi OHTSU
  • Publication number: 20170064829
    Abstract: A conductor connecting structure includes a mounting board, a target board, and an anisotropic conductive material. The mounting board includes a base material including a first surface, a second surface, and an end surface. The mounting board also includes a first conductor layer and a second conductor layer. The target board includes a mounting surface and a third conductor layer formed on the mounting surface. The anisotropic conductive material includes a polymeric material and electrically conductive particles dispersed in the polymeric material. The electrically conductive particles, when heated, aggregate to connect an end portion of the first or second conductor layer to the third conductor layer. One of the end portions not subjected to connection established with the anisotropic conductive material is separated further from the end surface of the base material than another end portion which is connected to the third conductor layer.
    Type: Application
    Filed: July 12, 2016
    Publication date: March 2, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Shigemi OHTSU
  • Patent number: 9002254
    Abstract: Provided is a sliding member for a fixing device including in order a first fluororesin layer having a sliding surface dotted with recessed portions, a substrate, and a second fluororesin layer.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: April 7, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Shigemi Ohtsu
  • Patent number: 8961839
    Abstract: A production method of an optical waveguide includes: preparing a laminated body that includes a first clad layer and at least a core layer laminated on the first clad layer; forming a light propagating optical waveguide core by cutting the core layer by use of a dicing saw from a side where the core layer is laminated while intruding an edge of a blade portion of the dicing saw into the first clad layer so as to partially cut the first clad layer; and embedding at least a cut portion of the laminated body with a second clad layer.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: February 24, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Toshihiko Suzuki, Keishi Shimizu, Kazutoshi Yatsuda, Shigemi Ohtsu, Akira Fujii, Eiichi Akutsu
  • Patent number: 8942613
    Abstract: A sliding member for a fixing device includes at least a fluororesin layer that has a sliding surface, the sliding surface having a plurality of recesses that are dotted over the sliding surface, the sliding member satisfying conditions (1) and (2) below: (1) the dotted recesses exhibit an array pattern including a grid array, the grid array having a plurality of basic arrays that are contiguous, the basic arrays each including a basic grid and a central point of the basic grid, the basic grid being defined by four grid points and having one side parallel to a sliding direction, at least one of the central points of the basic arrays in the grid array being displaced from the grid array; and (2) at least one of the recesses is placed over an entire width of the sliding surface, when the sliding surface is viewed along the sliding direction.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: January 27, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Shigemi Ohtsu
  • Patent number: 8909116
    Abstract: A sliding member for a fixing device includes at least a fluororesin layer that has a sliding surface, the sliding surface including a first region that is dotted with a plurality of first recesses, and a second region that is dotted with a plurality of second recesses having a diameter larger than the first recesses.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: December 9, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Shigemi Ohtsu
  • Patent number: 8725050
    Abstract: A sliding member for a fixing device includes a base body and a sliding sheet that is disposed on the surface of the base body and is made of cross-linked polytetrafluoroethylene provided with through holes passing therethrough in a thickness direction.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: May 13, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Shigemi Ohtsu, Koichi Matsumoto, Satoshi Mizoguchi
  • Publication number: 20130216282
    Abstract: A sliding member for a fixing device includes at least a fluororesin layer that has a sliding surface, the sliding surface having a plurality of recesses that are dotted over the sliding surface, the sliding member satisfying conditions (1) and (2) below: (1) the dotted recesses exhibit an array pattern including a grid array, the grid array having a plurality of basic arrays that are contiguous, the basic arrays each including a basic grid and a central point of the basic grid, the basic grid being defined by four grid points and having one side parallel to a sliding direction, at least one of the central points of the basic arrays in the grid array being displaced from the grid array; and (2) at least one of the recesses is placed over an entire width of the sliding surface, when the sliding surface is viewed along the sliding direction.
    Type: Application
    Filed: August 3, 2012
    Publication date: August 22, 2013
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Shigemi OHTSU
  • Publication number: 20130189007
    Abstract: A sliding member for a fixing device includes at least a fluororesin layer that has a sliding surface, the sliding surface including a first region that is dotted with a plurality of first recesses, and a second region that is dotted with a plurality of second recesses having a diameter larger than the first recesses.
    Type: Application
    Filed: July 20, 2012
    Publication date: July 25, 2013
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Shigemi OHTSU
  • Publication number: 20130034374
    Abstract: A sliding member for a fixing device includes a base body and a sliding sheet that is disposed on the surface of the base body and is made of cross-linked polytetrafluoroethylene provided with through holes passing therethrough in a thickness direction.
    Type: Application
    Filed: January 31, 2012
    Publication date: February 7, 2013
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shigemi OHTSU, Koichi MATSUMOTO, Satoshi MIZOGUCHI
  • Patent number: 8364001
    Abstract: A polymer optical waveguide includes: at least one core through which light propagates; a cladding which surrounds the core and has a refractive index less than that of the core; at least one conductive wire being provided on at least one side of the cladding, the polymer optical waveguide having a sheet shape, the conductive wire including a conductive layer which is provided on the at least one side of the cladding and being partitioned by a first groove, and the core being formed between second grooves each of which is formed in at least a part of the first groove.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: January 29, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Akira Fujii, Shigemi Ohtsu, Keishi Shimizu, Kazutoshi Yatsuda, Toshihiko Suzuki, Masahiro Igusa
  • Patent number: 8325158
    Abstract: A method of manufacturing an optical waveguide includes forming a core layer on a first clad layer, forming a second clad layer on the core layer, forming a first groove including at least one inclined surface in the second clad layer and the core layer to be in substantially parallel to and near one end of the second clad layer and one end of the core layer, the at least one inclined surface of the first groove having such an angle that the core layer is exposed when viewed above the second clad layer, forming a second groove including at least one inclined surface in the second clad layer on a inner side of the first groove, forming a separation groove in the clad layers and the core layer in a direction intersecting the first groove, and forming a plurality of cores intersecting the first groove.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: December 4, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Kazutoshi Yatsuda, Masahiro Igusa, Akira Fujii, Toshihiko Suzuki, Keishi Shimizu, Shigemi Ohtsu
  • Patent number: 8249404
    Abstract: A polymer optical waveguide includes: a core; and a cladding enclosing the core and extending along a direction of light propagation, the polymer optical waveguide having a substantially rectangular parallelepiped shape, and the polymer optical waveguide having, at least at a position near one end thereof in a longitudinal direction, a groove that has a surface inclined at an angle of 45° with respect to the light propagation direction which reflects light propagating through the core so as to change the light propagation direction by 90°.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: August 21, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Akira Fujii, Toshihiko Suzuki, Keishi Shimizu, Shigemi Ohtsu, Kazutoshi Yatsuda, Masahiro Igusa
  • Patent number: 8023790
    Abstract: An optical waveguide film includes: an optical waveguide film main body including an optical waveguide core through which light travels and a cladding portion that encloses the optical waveguide core and has a lower refractive index than that of the optical waveguide core; and a marking member that is disposed at least at a portion of a principal surface of the optical waveguide film main body so as to protrude from the principal surface and that includes, at a surface thereof, a groove-shaped mark for positioning.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: September 20, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Keishi Shimizu, Masahiro Igusa, Toshihiko Suzuki, Akira Fujii, Kazutoshi Yatsuda, Shigemi Ohtsu
  • Patent number: 7925130
    Abstract: An optical waveguide comprising: a waveguide core through which light propagates; a cladding that surrounds the waveguide core and has a refractive index that is less than the refractive index of the waveguide core; a metal layer that is formed on a surface of at least one end of the optical waveguide in a longitudinal direction, the surface being inclined so as not to be perpendicular to the longitudinal direction; and a channel that is formed at a portion of an outer surface of the cladding, the outer surface forming an acute angle with the inclined surface, and the channel being positioned such that light entering the optical waveguide adjacent the channel is reflected by the inclined surface into the waveguide core.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: April 12, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Akira Fujii, Toshihiko Suzuki, Keishi Shimizu, Shigemi Ohtsu, Kazutoshi Yatsuda, Masahiro Igusa
  • Publication number: 20110003118
    Abstract: A member for an image forming apparatus is provided, the member including a surface layer, at least an outer surface of the surface layer containing a fluorinated polyimide resin that has an ether group in a main chain of the fluorinated polyimide resin.
    Type: Application
    Filed: May 14, 2010
    Publication date: January 6, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shigemi OHTSU, Shogo Hayashi
  • Patent number: 7844156
    Abstract: An optical waveguide includes: an optical waveguide core through which light propagates, at least one end portion of the optical waveguide core in a longitudinal direction thereof having an inclined surface; a reflective layer provided on the inclined surface and formed by a metal layer of silver or a silver alloy; a protective layer disposed to cover the reflective layer; and a cladding portion enclosing the optical waveguide core and having a lower refractive index than that of the optical waveguide core.
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: November 30, 2010
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Shigemi Ohtsu, Akira Fujii, Kazutoshi Yatsuda, Masahiro Igusa, Toshihiko Suzuki, Keishi Shimizu