Patents by Inventor Shuji Sato

Shuji Sato 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).

  • ELECTROSTATIC LATENT IMAGE DEVELOPING TONER, ELECTROSTATIC LATENT IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
    Publication number: 20130244163
    Abstract: An electrostatic latent image developing toner contains toner particles that contain a binder resin and a pigment; and an external additive that contains inorganic particles, a ratio (C/D) of an average maximum thickness C to an average equivalent circle diameter D in the toner particles is from 0.05 to 0.7, the inorganic particles include silicone oil-treated inorganic particles in which the amount of free silicone oil with respect to the inorganic particles is from 0.1% by weight to 10% by weight, and the amount of the silicone oil-treated inorganic particles added with respect to 100 parts by weight of the toner particles is from 0.1 part by weight to 10 parts by weight.
    Type: Application
    Filed: August 1, 2012
    Publication date: September 19, 2013
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shuji SATO, Atsushi SUGITATE, Masaru TAKAHASHI, Shotaro TAKAHASHI
  • TONER, DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
    Publication number: 20130137030
    Abstract: An electrostatic charge image developing toner includes toner particles containing a binder resin and pigment particles and an external additive containing fluorine resin particles, wherein the electrostatic charge image developing toner satisfies the following expression: 2?A/B?100, wherein A represents reflectance at an acceptance angle of +30° which is measured when a solid image is formed using the electrostatic charge image developing toner and the solid image is irradiated with incident light at an incidence angle of ?45° by the use of a variable-angle photometer, and B represents reflectance at an acceptance angle of ?30° which is measured when the solid image is irradiated with incident light at an incidence angle of ?45° by the use of the variable-angle photometer.
    Type: Application
    Filed: May 11, 2012
    Publication date: May 30, 2013
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shuji SATO, Atsushi SUGITATE, Masaru TAKAHASHI, Shotaro TAKAHASHI
  • Electrostatic image developing toner, method for producing electrostatic image developing toner, method for forming image, and image forming apparatus
    Patent number: 8440378
    Abstract: An electrostatic image developing toner includes a binding resin and a release agent, wherein an organic silicon compound including a siloxane bond is present in a domain of the release agent.
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: May 14, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masaru Takahashi, Shinya Nakashima, Shuji Sato
  • PHOTOLUMINESCENT TONER, DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND METHOD FOR PRODUCING THE PHOTOLUMINESCENT TONER
    Publication number: 20130078562
    Abstract: An electrostatic image developing toner including: first toner particles which contain a first binder resin and a photoluminescent pigment; and second toner particles which contain a second binder resin and do not contain a photoluminescent pigment, wherein the proportion of the second toner particles is in a range from 5% by number to 80% by number with respect to a total number of all toner particles.
    Type: Application
    Filed: February 1, 2012
    Publication date: March 28, 2013
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Masaru TAKAHASHI, Shotaro TAKAHASHI, Atsushi SUGITATE, Shuji SATO
  • Fuel cell with buffer-defined flow fields
    Patent number: 8399151
    Abstract: An oxygen-containing gas flow field is formed on a surface of a cathode side metal separator of a fuel cell. The oxygen-containing gas flow field is connected between an oxygen-containing gas supply passage and an oxygen-containing gas discharge passage. A coolant flow field is formed on the other surface of the cathode side metal separator, on the back of the oxygen-containing gas flow field. The cathode side metal separator has linear guide ridges protruding from an intermediate height area toward the oxygen-containing gas flow field to form a continuous guide flow field, and bosses protruding from the intermediate height area toward the coolant flow field to form an embossed flow field.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: March 19, 2013
    Assignee: Honda Motor Co., Ltd.
    Inventors: Seiji Sugiura, Yasuhiro Watanabe, Takahiro Takai, Shuji Sato
  • Fuel cell separator comprising overlapping bosses and guide ridges
    Patent number: 8304140
    Abstract: A fuel cell is formed by stacking first cell units and second cell units alternately. An inlet buffer and an outlet buffer are formed on a surface of a first metal separator of the first cell unit. Bosses are provided in the inlet buffer and the outlet buffer of the first metal separator. An inlet buffer and an outlet buffer are formed on a surface of the second metal separator of the first cell unit. Continuous guide ridges are formed in the inlet buffer and the outlet buffer of the second metal separator. The bosses and the continuous guide ridges are provided at positions overlapped with each other in the stacking direction.
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: November 6, 2012
    Assignee: Honda Motor Co., Ltd.
    Inventors: Seiji Sugiura, Yasuhiro Watanabe, Shuji Sato, Takahiro Takai, Masaaki Sakano
  • Nucleic Acid Cassette For Producing Recombinant Antibodies
    Publication number: 20120149880
    Abstract: The invention provides a nucleic acid cassette comprising components in the following structure: A-B-C, wherein “A” is a nucleic acid sequence encoding a light chain of a first antibody (or antigen binding domain thereof), “B” is a nucleic acid sequence encoding a 2A peptide, “C” is a nucleic acid sequence encoding a heavy chain of a second antibody (or antigen binding domain thereof), and “-” is a phosphodiester or phosphorothioate bond. Also provided is a nucleic acid cassette with the structure A-p-B-C, where “p” is a nucleic acid encoding a protease recognition site, Also provided are methods for making recombinant antibodies using the nucleic acid cassette of the invention, cells and vector comprising the nucleic acid cassette of the invention, and kits for making the nucleic acid cassette of the invention.
    Type: Application
    Filed: August 20, 2010
    Publication date: June 14, 2012
    Applicant: CELL SIGNALING TECHNOLOGY, INC.
    Inventors: Wan Cheung Cheung, Shuji Sato, Roberto Polakiewicz
  • Anti-histone H1 monoclonal antibody and hybridoma for the production thereof
    Patent number: 8187602
    Abstract: The present invention discloses anti-histone H1 monoclonal antibodies, hybridomas for the production thereof, and polypeptides, which are useful for suppressing, predicting, or diagnosing transplant rejection in organ transplantation.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: May 29, 2012
    Assignee: Amateraspharma Inc.
    Inventors: Takeshi Goto, Shuji Sato, Kazuhisa Ono, Seiko Shigeta, Seiji Kawamoto, Shigeru Goto
  • IMMUNE ADJUVANT COMPRISING ATP
    Publication number: 20120128706
    Abstract: This invention relates to an immunoadjuvant, which has an excellent antibody production enhancing function and is highly safe, and a vaccine composition comprising the immunoadjuvant. More specifically, the present invention relates to an immunoadjuvant comprising ATP or its pharmaceutically acceptable salt, its solvate, or its derivative having a physiological function as an active ingredient, and a vaccine composition comprising the immunoadjuvant.
    Type: Application
    Filed: December 12, 2011
    Publication date: May 24, 2012
    Inventors: Shuji Sato, Takeshi Goto, Naoya Ohmori, Kueichen Chiang, Yayoi Shimada
  • FUEL CELL
    Publication number: 20120129071
    Abstract: A cell unit of a fuel cell includes a second separator. A first oxygen-containing gas flow field is formed on a surface of the second separator. An inlet buffer is connected to an inlet of the oxygen-containing gas flow field, and an outlet buffer is connected to an outlet of the first oxygen-containing gas flow field. The inlet buffer includes a first inlet buffer area having a deep groove and a second inlet buffer area, and the outlet buffer includes a first outlet buffer area having a deep groove and a second outlet buffer area. The first inlet buffer area and the first outlet buffer area have different surface areas.
    Type: Application
    Filed: November 17, 2011
    Publication date: May 24, 2012
    Applicant: HONDA MOTOR CO., LTD
    Inventors: Masahiko Sato, Yasuhiro Watanabe, Shuji Sato, Masaaki Sakano
  • FUEL CELL
    Publication number: 20120094208
    Abstract: An oxidant gas conduit communicating with both an oxidant gas inlet communication hole and an oxidant gas outlet communication hole is formed in a surface of a cathode-side metallic separator which forms a fuel cell. Continuous linear guide ridges which protrude from intermediate height sections to the oxidant gas conduit side and form continuous guide conduits are provided on the cathode-side metallic separator. The linear guide ridges are continuously connected to ends of rectilinear conduit ridges which form rectilinear conduits, are provided with bend portions, and are set to lengths which are different from each other in a step-like manner.
    Type: Application
    Filed: June 2, 2010
    Publication date: April 19, 2012
    Applicant: Honda Motor Co., Ltd.
    Inventors: Seiji Sugiura, Shuji Sato, Takahiro Takai, Yasuhiro Watanabe
  • TONER, DEVELOPER, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS
    Publication number: 20110318683
    Abstract: A toner contains a binder resin and a polyalkylene, wherein the following formula is satisfied: 2?A/B?100 where A represents a reflectance at a light-receiving angle of +30° and B represents a reflectance at a light-receiving angle of ?30°, A and B being measured when a solid fixed image formed by the toner is irradiated with incident light at an incident angle of ?45° using a goniophotometer.
    Type: Application
    Filed: November 10, 2010
    Publication date: December 29, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yasuo KADOKURA, Masaru TAKAHASHI, Shotaro TAKAHASHI, Shuji SATO
  • TONER, DEVELOPER, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS
    Publication number: 20110318682
    Abstract: Provided is a toner wherein when a solid image formed by the toner is irradiated with incident light at an incident angle of ?45° using a goniophotometer, a ratio (A/B) of a reflectance A at a light-receiving angle of +30° to a reflectance B at a light-receiving angle of ?30° is about 2 or more and about 100 or less.
    Type: Application
    Filed: October 19, 2010
    Publication date: December 29, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masaru TAKAHASHI, Yasuo KADOKURA, Shuji SATO
  • TONER, DEVELOPER, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS
    Publication number: 20110318063
    Abstract: Provided is a toner wherein when a solid image formed by the toner is irradiated with incident light at an incident angle of ?45° using a goniophotometer, a ratio (A/B) of a reflectance A at a light-receiving angle of +30° to a reflectance B at a light-receiving angle of ?30° is about 2 or more and about 100 or less.
    Type: Application
    Filed: November 29, 2010
    Publication date: December 29, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masaru TAKAHASHI, Yasuo KADOKURA, Shuji SATO
  • ELECTROSTATIC IMAGE DEVELOPING TONER, METHOD FOR PRODUCING ELECTROSTATIC IMAGE DEVELOPING TONER, METHOD FOR FORMING IMAGE, AND IMAGE FORMING APPARATUS.
    Publication number: 20110236817
    Abstract: An electrostatic image developing toner includes a binding resin and a release agent, wherein an organic silicon compound including a siloxane bond is present in a domain of the release agent.
    Type: Application
    Filed: August 24, 2010
    Publication date: September 29, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masaru Takahashi, Shinya Nakashima, Shuji Sato
  • Electrostatic-image-developing toner, method of producing the same, electrostatic image developer, image forming method and image forming apparatus
    Patent number: 8021813
    Abstract: An electrostatic-image-developing toner includes a phosphonic acid based sequestering agent.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: September 20, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Shuji Sato, Eisuke Iwazaki, Atsushi Sugawara, Masanobu Ninomiya, Hiroshi Nakazawa
  • FIXING DEVICE AND IMAGE FORMING APPARATUS
    Publication number: 20110188910
    Abstract: A fixing device is configured to fix a toner image formed on a recording medium and includes a fixing roll, a separation claw in contact with the fixing roll, and a pressure member disposed to face the fixing roll. The fixing roll includes a metallic core and a surface layer formed on the metallic core. The surface layer is an electroless nickel plating layer containing a boron compound and a phosphorus compound.
    Type: Application
    Filed: August 18, 2010
    Publication date: August 4, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shinya NAKASHIMA, Shuji Sato, Masaru Takahashi
  • Pulse motor control device, control method, control program, and imaging apparatus
    Patent number: 7986120
    Abstract: A pulse motor control device includes a drive pulse generator configured to generate a drive pulse in accordance with a set cycle, a pulse motor driver configured to generate an excitation current of a pattern corresponding to the number of division per one step of a pulse motor based on the drive pulse supplied from the drive pulse generator, the number of division being set in the pulse motor driver, the pulse motor driver supplying the excitation current to the pulse motor to thereby drive the pulse motor based on micro-step driving, and a controller configured to set the cycle in the drive pulse generator every time the drive pulse is supplied from the drive pulse generator.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: July 26, 2011
    Assignee: Sony Corporation
    Inventors: Toshihide Nakane, Tomokuni Yamashina, Shuji Sato
  • Polypeptide that binds anti-histone H1 antibody
    Patent number: 7964554
    Abstract: The present invention discloses anti-histone H1 monoclonal antibodies, hybridomas for the production thereof, and polypeptides, which are useful for suppressing, predicting, or diagnosing transplant rejection in organ transplantation.
    Type: Grant
    Filed: September 5, 2005
    Date of Patent: June 21, 2011
    Assignee: Amateraspharma Inc.
    Inventors: Takeshi Goto, Shuji Sato, Kazuhisa Ono, Seiko Shigeta, Seiji Kawamoto, Shigeru Goto
  • Toner for development of electrostatic image, method for manufacturing the same, developer for development of electrostatic image, toner cartridge, process cartridge, and image forming apparatus
    Patent number: 7951519
    Abstract: A toner for development of an electrostatic image includes at least a crystalline polyester resin and a colorant. The toner shows a dielectric loss index ?? of 0.1 or less at 0.1 Hz and 500 V at 30° C. and 90% RH.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: May 31, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Eisuke Iwazaki, Shuji Sato, Atsushi Sugawara, Hiroshi Nakazawa