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).

  • Publication number: 20220373938
    Abstract: An intermediate transfer body includes a base layer and a surface layer disposed on the base layer. The difference between the volume resistivity of the intermediate transfer body at an application voltage of 100 V, a temperature of 22° C., and a relative humidity of 55% and the volume resistivity of the intermediate transfer body at an application voltage of 500 kV, a temperature of 22° C., and a relative humidity of 55% is 2.0 log ?·cm or less. The difference between the volume resistivity of the intermediate transfer body at an application voltage of 500 kV, a temperature of 28° C., and a relative humidity of 85% and the volume resistivity of the intermediate transfer body at an application voltage of 500 kV, a temperature of 10° C., and a relative humidity of 30% is 1.0 log ?·cm or less.
    Type: Application
    Filed: September 3, 2021
    Publication date: November 24, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Makoto OCHIAI, Masato FURUKAWA, Minoru ROKUTAN, Haruyuki NAMBA, Masayuki SEKO
  • Patent number: 11487226
    Abstract: An image forming apparatus includes a photosensitive member, an intermediate transfer body including a surface layer that includes an acrylic resin and a fluorine-containing polyether, first and second transfer units, and an intermediate transfer body cleaning unit that includes a cleaning blade including a tetrahedral amorphous carbon layer disposed on a surface of a contact portion of the cleaning blade, the contact portion being arranged to contact the intermediate transfer body, and removes a residual toner by bringing the cleaning blade into contact with the intermediate transfer body. Linear velocities of the intermediate transfer body and the photosensitive member are adjusted to satisfy a requirement (1): Requirement (1): 0.3?|Linear velocity of Intermediate transfer body?Linear velocity of Photosensitive member|/Linear velocity of Intermediate transfer body×100?1.5.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: November 1, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Satoya Sugiura, Masato Ono, Shogo Hayashi, Daisuke Tanemura, Masayuki Seko
  • Publication number: 20220244663
    Abstract: A unit includes: a developing device configured to develop an electrostatic charge image that is formed on a surface of an image carrier, as a toner image with a developer including a flat toner containing a flat pigment, the developer being accommodated in the developing device; and a transfer device including an intermediate transfer belt onto which the toner image formed on the surface of the image carrier is primarily transferred, a primary transfer device configured to primarily transfer the toner image formed on the surface of the image carrier to a surface of the intermediate transfer belt, and a secondary transfer device configured to secondarily transfer the toner image on the surface of the intermediate transfer belt to a surface of a recording medium, wherein the intermediate transfer belt contains a resin and conductive carbon particles, and after the flat toner adheres to an outer circumferential surface of the intermediate transfer belt in a loading amount of 3 g/cm2, in a case where air is blow
    Type: Application
    Filed: August 9, 2021
    Publication date: August 4, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Masato ONO, Masayuki SEKO, Tomoaki TANAKA, Yukiaki NAKAMURA, Ryutaro KEMBO
  • Patent number: 11334006
    Abstract: An endless belt includes: a resin; and electrically conductive particles, wherein an integrated discharge amount is 350 ?C or less. The integrated discharge amount is determined by disposing an electrode at a position spaced 60 ?m apart from the outer circumferential surface of the belt, applying a voltage to the electrode, and measuring the amount of discharge for a period of 1 second after the voltage reaches 1300 V.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: May 17, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Daisuke Tanemura, Shigeru Fukuda, Satoya Sugiura, Tomotake Inagaki, Masato Ono, Masato Furukawa, Hiroaki Tanaka, Kenta Yamakoshi, Ryohei Yoshikawa, Yosuke Kubo, Masayuki Seko, Koichi Matsumoto
  • Publication number: 20220146965
    Abstract: An endless belt includes: a resin; and electrically conductive particles, wherein an integrated discharge amount is 350 ?C or less. The integrated discharge amount is determined by disposing an electrode at a position spaced 60 ?m apart from the outer circumferential surface of the belt, applying a voltage to the electrode, and measuring the amount of discharge for a period of 1 second after the voltage reaches 1300 V.
    Type: Application
    Filed: May 5, 2021
    Publication date: May 12, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Daisuke TANEMURA, Shigeru FUKUDA, Satoya SUGIURA, Tomotake INAGAKI, Masato ONO, Masato FURUKAWA, Hiroaki TANAKA, Kenta YAMAKOSHI, Ryohei YOSHIKAWA, Yosuke KUBO, Masayuki SEKO, Koichi MATSUMOTO
  • Publication number: 20220146966
    Abstract: An endless belt contains: a resin; electrically conductive carbon particles; and a surfactant. When polyester resin particles having a volume average particle diameter of 4.7 ?m are caused to adhere to an outer circumferential surface of the endless belt and then air is blown onto the outer circumferential surface from an upper side of the outer circumferential surface while the blowing pressure of the air is increased, all the polyester resin particles adhering to the outer circumferential surface are separated from the outer circumferential surface before or when the blowing pressure reaches 6 kPa.
    Type: Application
    Filed: May 25, 2021
    Publication date: May 12, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Masato Ono, Masayuki Seko, Koichi Matsumoto, Shigeru Fukuda, Satoya Sugiura, Daisuke Tanemura, Masato Furukawa, Hiroaki Tanaka, Kenta Yamakoshi, Yosuke Kubo
  • Patent number: 11297208
    Abstract: A method of creating teacher data used for creating a color prediction model that predicts a spectral reflectance of a printed matter printed using an ink amount set from the ink amount set that is a combination of ink amounts of inks used for printing, includes, in an ink amount space in which a plurality of lattice points are disposed, selecting an ink amount set from an ink amount set associated with each lattice point, according to a predetermined selection rule, acquiring a spectral reflectance of a color chart printed on a printing medium using the selected ink amount set, and setting the teacher data using the selected ink amount set as an input value and the acquired spectral reflectance as an output value.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: April 5, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Yuko Yamamoto, Mitsuhiro Yamashita, Masayuki Seko, Takumi Shimomukai, Katsuyuki Tanaka
  • Publication number: 20210306525
    Abstract: A method of creating teacher data used for creating a color prediction model that predicts a spectral reflectance of a printed matter printed using an ink amount set from the ink amount set that is a combination of ink amounts of inks used for printing, includes, in an ink amount space in which a plurality of lattice points are disposed, selecting an ink amount set from an ink amount set associated with each lattice point, according to a predetermined selection rule, acquiring a spectral reflectance of a color chart printed on a printing medium using the selected ink amount set, and setting the teacher data using the selected ink amount set as an input value and the acquired spectral reflectance as an output value.
    Type: Application
    Filed: March 23, 2021
    Publication date: September 30, 2021
    Inventors: Yuko YAMAMOTO, Mitsuhiro YAMASHITA, Masayuki SEKO, Takumi SHIMOMUKAI, Katsuyuki TANAKA
  • Patent number: 10996594
    Abstract: An endless belt includes either a single-layer body including a layer including an imide resin and conductive particles, or a multilayer body including the layer as an outermost layer. The ratio y/x of the layer is 0.8992 or more and 1.0157 or less, where x [log ?/?] is the common logarithm of the surface resistivity of the outer peripheral surface of the layer measured with a ring probe when a voltage of 100 V is applied to the layer for 3 seconds at a load of 1 kg, and y [log ?·cm] is the common logarithm of the volume resistivity of the layer measured with a ring probe when a voltage of 100 V is applied to the layer for 5 seconds at a load of 1 kg.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: May 4, 2021
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Hiroaki Tanaka, Satoya Sugiura, Daisuke Tanemura, Masato Ono, Masato Furukawa, Shigeru Fukuda, Masayuki Seko, Koichi Matsumoto, Shogo Hayashi, Tomoko Suzuki
  • 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: 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
  • 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
  • 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