Patents by Inventor Masayuki Seko

Masayuki Seko 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: 10976690
    Abstract: Provided is a transfer device that includes an intermediate transfer body which is a first endless belt including a resin and conductive carbon particles and in which in a spatial distribution of the conductive carbon particles that are present in an evaluation region of 6.3 ?m×4.2 ?m on an outer peripheral surface; a first transfer component that first-transfers a toner image formed on a surface of an image carrier to a surface of the intermediate transfer body; and a second transfer component which has a second endless belt disposed so as to face the outer peripheral surface of the intermediate transfer body, which second-transfers the toner image transferred to the surface of the intermediate transfer body to a surface of a recording medium on the second endless belt.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: April 13, 2021
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Masato Furukawa, Shigeru Fukuda, Futoshi Takei, Satoya Sugiura, Daisuke Tanemura, Masato Ono, Hiroaki Tanaka, Shogo Hayashi, Minoru Rokutan, Tomoko Suzuki, Masayuki Seko, Koichi Matsumoto
  • Patent number: 10935908
    Abstract: A transfer unit includes an intermediate transfer belt including a resin and in which in a spatial distribution of conductive carbon particles that are present in an evaluation region of 6.3 ?m×4.2 ?m on an outer peripheral surface, an integrated value of a statistic L(r) in an interparticle distance r of 0.05 ?m or more and 0.30 ?m or less is 0 or more and 0.1 or less; and a cleaning component including a cleaning blade which contacts the outer peripheral surface of the intermediate transfer belt and in which a value of M100/Re is 0.25 or more and a value of Re is 25 or more where M100 represents a 100% modulus (MPa) of a contact portion of the cleaning blade contacts the intermediate transfer belt, and Re represents a rebound resilience coefficient (%) of the contact portion: L(r):=?{square root over (K(r)/?)}?r??(1) K ? ( r ) := ? i ? j N ? 1 ? ( ? X i - X j ? ? r ) / s ? ( ? X i - X j ? ) ? 2 .
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: March 2, 2021
    Assignee: FUJI XEROX CO.. LTD.
    Inventors: Masayuki Seko, Shigeru Fukuda, Satoya Sugiura, Daisuke Tanemura, Masato Ono, Masato Furukawa, Hiroaki Tanaka, Shogo Hayashi, Koichi Matsumoto, Daisuke Tano
  • Patent number: 10831133
    Abstract: An endless belt includes a first resin and first conductive carbon particles. In the spatial distribution of the first conductive carbon particles present in an evaluation region of the outer peripheral surface of the endless belt which has a size of 6.3 ?m×4.2 ?m, the integral of the statistic L(r) represented by Formula (1) below from 0.05 ?m to 0.30 ?m with respect to an interparticle distance r is 0 or more and 0.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: November 10, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Satoya Sugiura, Shigeru Fukuda, Futoshi Takei, Daisuke Tanemura, Masato Ono, Masato Furukawa, Hiroaki Tanaka, Shogo Hayashi, Tomoko Suzuki, Masayuki Seko, Koichi Matsumoto, Minoru Rokutan
  • Publication number: 20200227002
    Abstract: A profile information display apparatus includes a database section in which a plurality of output profiles including information concerning association of a coordinate value in a first color space and a coordinate value in a second color space are accumulated, a color-value receiving section configured to receive an input of a color value indicating the coordinate value in the first color space, a color-reproduction determining section configured to determine, concerning each of the plurality of output profiles, whether the output profile is capable of reproducing the color value, a display section configured to display information, and a display control section configured to cause, based on a result of the determination of the color-reproduction determining section, the display section to display setting information concerning one or more output profiles selected from the plurality of output profiles.
    Type: Application
    Filed: January 8, 2020
    Publication date: July 16, 2020
    Inventors: Yuko YAMAMOTO, Takahiro KAMADA, Takumi SHIMOMUKAI, Shotaro MATSUDA, Masayuki SEKO, Kenji MATSUZAKA
  • Patent number: 10551770
    Abstract: A transfer device includes an intermediate transfer belt having a surface that receives a toner image, a support roller supporting the intermediate transfer belt, and a transfer unit that transfers the toner image from the intermediate transfer belt to a recording medium. The transfer unit includes a transfer belt and a transfer roller disposed opposite the support roller with the transfer belt and the intermediate transfer belt therebetween. The transfer roller has a volume resistance value of one-tenth or less of a system resistance value for a current of 120 ?A between the support roller and the transfer roller.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: February 4, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Masayuki Seko, Masato Ono
  • Patent number: 10444654
    Abstract: A conductive member includes a conductive substrate; and a conductive elastic layer disposed on the conductive substrate and exhibiting ionic conduction. The conductive elastic layer contains an elastic material, which contains epichlorohydrin rubber, and an anti-aging agent, and the amount of free chlorine ions in the conductive elastic layer is 1 ?g/g or more and 80 ?g/g or less.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: October 15, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Shogo Tomari, Yuki Tagawa, Masato Ono, Minoru Rokutan, Yuma Tanaka, Masayuki Seko
  • Patent number: 10348934
    Abstract: A method for generating a color system conversion table includes generating a third color system conversion table in which a color specification value of a CMY color system including three primary colors of pigment is an input and a color specification value of the device independent color space is an output, wherein the number of input lattice points of the third color system conversion table is determined such that the number of input lattice points of the third color system conversion table decreases as the gamut size of the printer decreases.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: July 9, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Masayuki Seko
  • Publication number: 20190004445
    Abstract: A conductive member includes a conductive substrate; and a conductive elastic layer disposed on the conductive substrate and exhibiting ionic conduction. The conductive elastic layer contains an elastic material, which contains epichlorohydrin rubber, and an anti-aging agent, and the amount of free chlorine ions in the conductive elastic layer is 1 ?g/g or more and 80 ?g/g or less.
    Type: Application
    Filed: October 27, 2017
    Publication date: January 3, 2019
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shogo TOMARI, Yuki TAGAWA, Masato ONO, Minoru ROKUTAN, Yuma TANAKA, Masayuki SEKO
  • Publication number: 20190004446
    Abstract: A conductive member includes a conductive substrate; and a conductive elastic layer disposed on the conductive substrate and exhibiting ionic conduction. The conductive elastic layer contains an elastic material, which contains epichlorohydrin rubber, and a layered inorganic compound, and the amount of free chlorine ions in the conductive elastic layer is 1 ?g/g or more and 80 ?g/g or less.
    Type: Application
    Filed: November 21, 2017
    Publication date: January 3, 2019
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shogo Tomari, Yuki Tagawa, Masato Ono, Minoru Rokutan, Yuma Tanaka, Masayuki Seko
  • Patent number: 10168635
    Abstract: A conductive member includes a conductive substrate; and a conductive elastic layer disposed on the conductive substrate and exhibiting ionic conduction. The conductive elastic layer contains an elastic material, which contains epichlorohydrin rubber, and a layered inorganic compound, and the amount of free chlorine ions in the conductive elastic layer is 1 ?g/g or more and 80 ?g/g or less.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: January 1, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Shogo Tomari, Yuki Tagawa, Masato Ono, Minoru Rokutan, Yuma Tanaka, Masayuki Seko
  • Patent number: 10095149
    Abstract: A conductive member includes a conductive substrate; and a conductive elastic layer disposed on the conductive substrate and exhibiting ionic conduction. The conductive elastic layer contains an elastic material containing epichlorohydrin rubber, and the amount of free chlorine ions in the conductive elastic layer is 1 ?g/g or more and 80 ?g/g or less.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: October 9, 2018
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Shogo Tomari, Yuki Tagawa, Masato Ono, Minoru Rokutan, Yuma Tanaka, Masayuki Seko
  • Patent number: 10088780
    Abstract: A transfer device includes an endless belt having a surface roughness Rz ranging approximately from 0.05 ?m to 0.15 ?m and a cleaning blade that serves to clean the belt and that includes a resin substrate having a substantially planar shape and a coating layer covering at least one edge of the resin substrate, wherein the coating layer has a connection layer and a surface layer, the connection layer is disposed so as to face the interface with the resin substrate and contains diamond-like carbon and at least one selected from the group consisting of titanium nitride, titanium silicon, titanium tungsten, titanium carbide, and titanium carbonitride, and the surface layer covers the connection layer and contains diamond-like carbon.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: October 2, 2018
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Masayuki Seko, Daisuke Tanaka
  • Publication number: 20180152603
    Abstract: A method for generating a color system conversion table includes generating a third color system conversion table in which a color specification value of a CMY color system including three primary colors of pigment is an input and a color specification value of the device independent color space is an output, wherein the number of input lattice points of the third color system conversion table is determined such that the number of input lattice points of the third color system conversion table decreases as the gamut size of the printer decreases.
    Type: Application
    Filed: November 17, 2017
    Publication date: May 31, 2018
    Inventor: Masayuki SEKO
  • Publication number: 20180113402
    Abstract: A transfer device includes an endless belt having a surface roughness Rz ranging approximately from 0.05 ?m to 0.15 ?m and a cleaning blade that serves to clean the belt and that includes a resin substrate having a substantially planar shape and a coating layer covering at least one edge of the resin substrate, wherein the coating layer has a connection layer and a surface layer, the connection layer is disposed so as to face the interface with the resin substrate and contains diamond-like carbon and at least one selected from the group consisting of titanium nitride, titanium silicon, titanium tungsten, titanium carbide, and titanium carbonitride, and the surface layer covers the connection layer and contains diamond-like carbon.
    Type: Application
    Filed: April 18, 2017
    Publication date: April 26, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masayuki SEKO, Daisuke TANAKA
  • Patent number: 9632460
    Abstract: A belt-shaped member includes an endless belt-shaped base member that has a circumferential edge and that is supported by plural support members. The belt-shaped member also includes a meandering preventing member that is provided along the circumferential edge of the base member and that has a bonding surface bonded to the base member. When a diameter of at least one of the plural support members is 25 mm or less, a protective film having a thickness of from 5 to 20 ?m is formed on the bonding surface of the meandering preventing member.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: April 25, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Masayuki Seko, Hiromoto Yamaki
  • Publication number: 20160282770
    Abstract: A meander control member includes a bonding surface to be bonded to an endless belt substrate and a longitudinally extending region other than the bonding surface. The longitudinally extending region contains a polyester elastomer and has a friction coefficient of about 0.5 to about 0.7.
    Type: Application
    Filed: August 20, 2015
    Publication date: September 29, 2016
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masayuki SEKO, Hiromoto YAMAKI
  • Patent number: 9405233
    Abstract: A sliding member includes a base material including a contact area which contacts with a member to be slid, wherein a Young's modulus E1 with respect to the thickness of the contact area from a surface of the contact area is from 10 MPa to 200,000 MPa and a thickness T of the contact area is from 10 nm to 500 nm.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: August 2, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yu Nakamura, Daisuke Tano, Masato Ono, Daisuke Tanaka, Masayuki Seko
  • Publication number: 20160187814
    Abstract: A sliding member includes a base material including a contact area which contacts with a member to be slid, wherein a Young's modulus E1 with respect to the thickness of the contact area from a surface of the contact area is from 10 MPa to 200,000 MPa and a thickness T of the contact area is from 10 nm to 500 nm.
    Type: Application
    Filed: May 27, 2015
    Publication date: June 30, 2016
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yu NAKAMURA, Daisuke TANO, Masato ONO, Daisuke TANAKA, Masayuki SEKO
  • Publication number: 20160070210
    Abstract: An endless belt includes an endless belt base material, and a belt meandering suppression member that has a belt shape and is disposed in a circumferential direction of at least one end portion of the belt base material in a width direction, wherein a value obtained by subtracting a linear thermal expansion coefficient of the belt meandering suppression member from a linear thermal expansion coefficient of the belt base material is from ?1×10?5/° C. to 20×10?5/° C., and a tensile stress of the belt meandering suppression member at a 300% elongation is equal to or more than 5 MPa.
    Type: Application
    Filed: January 28, 2015
    Publication date: March 10, 2016
    Inventor: Masayuki SEKO
  • Patent number: 8524315
    Abstract: According to an exemplary embodiment, a method for manufacturing a tubular body is provided. The method includes maintaining at about 15° C. or lower a heat-curable solution containing a polyimide precursor solution in which a conductive agent having an acidic group is dispersed; coating the heat-curable solution maintained at about 15° C. or lower on a core body to form a coating film of the heat-curable solution, and curing the coating film by heating to obtain a tubular body.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: September 3, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masayuki Seko, Toshikazu Ohno, Yuichi Yashiki, Masaru Suzuki