Patents by Inventor Taisuke FUKUI

Taisuke FUKUI 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: 11693329
    Abstract: A fluorine-containing resin particle contains 0 or more and 30 or less carboxyl groups per 106 carbon atoms and 0 ppm or more and 3 ppm or less of a basic compound.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: July 4, 2023
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Wataru Yamada, Masahiro Iwasaki, Ryosuke Fujii, Keisuke Kusano, Yuto Okazaki, Taisuke Fukui
  • Patent number: 11526092
    Abstract: An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer on the conductive substrate. The outermost surface layer of the electrophotographic photoreceptor contains fluorine-containing resin particles, a fluorine graft polymer, and an acidic compound having an acid dissociation constant (pKa) of 3 or less in water at 25° C. The amount of the acidic compound relative to the outermost surface layer is 100 ppm or more and 10000 ppm or less.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: December 13, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Masahiro Iwasaki, Wataru Yamada, Keisuke Kusano, Yuto Okazaki, Taisuke Fukui
  • Patent number: 11435674
    Abstract: An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer on the conductive substrate. The electrophotographic photoreceptor has an outermost surface layer that contains fluorine-containing resin particles and a fluorine-containing graft polymer. The fluorine-containing resin particles contain 0 or more and 30 or less carboxy groups per 106 carbon atoms. The outermost surface layer has a dielectric constant of 3.75 or more and 3.90 or less. The contact angle of pure water on the outermost surface layer is 90° or more.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: September 6, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Yuto Okazaki, Wataru Yamada, Masahiro Iwasaki, Keisuke Kusano, Taisuke Fukui
  • Patent number: 11333987
    Abstract: A fluorine-containing resin particle contains 0 or more and 30 or less carboxyl groups per 106 carbon atoms and 0 ppm or more and 3 ppm or less of a basic compound.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: May 17, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Wataru Yamada, Masahiro Iwasaki, Ryosuke Fujii, Keisuke Kusano, Yuto Okazaki, Taisuke Fukui
  • Publication number: 20220066335
    Abstract: A fluorine-containing resin particle contains 0 or more and 30 or less carboxyl groups per 106 carbon atoms and 0 ppm or more and 3 ppm or less of a basic compound.
    Type: Application
    Filed: November 10, 2021
    Publication date: March 3, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Wataru YAMADA, Masahiro IWASAKI, Ryosuke FUJII, Keisuke KUSANO, Yuto OKAZAKI, Taisuke FUKUI
  • Publication number: 20210302850
    Abstract: An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer on the conductive substrate. The electrophotographic photoreceptor has an outermost surface layer that contains fluorine-containing resin particles and a fluorine-containing graft polymer. The fluorine-containing resin particles contain 0 or more and 30 or less carboxy groups per 106 carbon atoms. The outermost surface layer has a dielectric constant of 3.75 or more and 3.90 or less. The contact angle of pure water on the outermost surface layer is 90° or more.
    Type: Application
    Filed: July 20, 2020
    Publication date: September 30, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yuto OKAZAKI, Wataru Yamada, Masahiro Iwasaki, Keisuke Kusano, Taisuke Fukui
  • Patent number: 11099492
    Abstract: An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer disposed on the conductive substrate. An outermost surface layer of the electrophotographic photoreceptor contains a fluorine-containing resin particle and a fluorine-based graft polymer having a fluorinated alkyl group. A ratio of an amount of a fluorine-based graft polymer separated from the fluorine-containing resin particle to a total amount of the fluorine-based graft polymer in the outermost surface layer is 15% or less.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: August 24, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Keisuke Kusano, Wataru Yamada, Masahiro Iwasaki, Ryosuke Fujii, Yuto Okazaki, Taisuke Fukui
  • Patent number: 11066543
    Abstract: A dispersant attached polytetrafluoroethylene particle on whose surface a dispersant having a fluorine atom is attached has a content of perfluorooctanoic acid of from 0 ppb to 25 ppb with respect to the polytetrafluoroethylene particle, and a composition contains a polytetrafluoroethylene particle and a dispersant having a fluorine atom in which a content of perfluorooctanoic acid is from 0 ppb to 25 ppb with respect to the polytetrafluoroethylene particle.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: July 20, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Wataru Yamada, Takahiro Nakamura, Shingo Suda, Masahiro Iwasaki, Ryosuke Fujii, Keisuke Kusano, Yuto Okazaki, Taisuke Fukui
  • Patent number: 11048181
    Abstract: An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer disposed on the conductive substrate. An outermost surface layer of the electrophotographic photoreceptor contains fluorine-containing resin particles and a fluorine-containing graft polymer having a fluorinated alkyl group. In an infrared absorption spectrum of the fluorine-containing graft polymer, a ratio of a peak area in a wavenumber range of from 1,020 cm?1 to 1,308 cm?1 to a peak area in a wavenumber range of from 1,673 cm?1 to 1,779 cm?1 is 2.7 or more and 4.8 or less.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: June 29, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Masahiro Iwasaki, Wataru Yamada, Ryosuke Fujii, Keisuke Kusano, Taisuke Fukui, Yuto Okazaki
  • Publication number: 20210181645
    Abstract: An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer on the conductive substrate. The outermost surface layer of the electrophotographic photoreceptor contains fluorine-containing resin particles, a fluorine graft polymer, and an acidic compound having an acid dissociation constant (pKa) of 3 or less in water at 25° C. The amount of the acidic compound relative to the outermost surface layer is 100 ppm or more and 10000 ppm or less.
    Type: Application
    Filed: May 14, 2020
    Publication date: June 17, 2021
    Applicant: FUJI XEROX CO., LTD,
    Inventors: Masahiro Iwasaki, Wataru Yamada, Keisuke Kusano, Yuto Okazaki, Taisuke Fukui
  • Publication number: 20210088918
    Abstract: An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer disposed on the conductive substrate. An outermost surface layer of the electrophotographic photoreceptor contains a fluorine-containing resin particle and a fluorine-based graft polymer having a fluorinated alkyl group. A ratio of an amount of a fluorine-based graft polymer separated from the fluorine-containing resin particle to a total amount of the fluorine-based graft polymer in the outermost surface layer is 15% or less.
    Type: Application
    Filed: January 16, 2020
    Publication date: March 25, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Keisuke KUSANO, Wataru YAMADA, Masahiro IWASAKI, Ryosuke FUJII, Yuto OKAZAKI, Taisuke FUKUI
  • Publication number: 20200257212
    Abstract: An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer disposed on the conductive substrate. An outermost surface layer of the electrophotographic photoreceptor contains fluorine-containing resin particles and a fluorine-containing graft polymer having a fluorinated alkyl group. In an infrared absorption spectrum of the fluorine-containing graft polymer, a ratio of a peak area in a wavenumber range of from 1,020 cm?1 to 1,308 cm?1 to a peak area in a wavenumber range of from 1,673 cm?1 to 1,779 cm?1 is 2.7 or more and 4.8 or less.
    Type: Application
    Filed: July 17, 2019
    Publication date: August 13, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masahiro IWASAKI, Wataru Yamada, Ryosuke Fujii, Keisuke Kusano, Taisuke Fukui, Yuto Okazaki
  • Publication number: 20200257210
    Abstract: A fluorine-containing resin particle contains 0 or more and 30 or less carboxyl groups per 106 carbon atoms and 0 ppm or more and 3 ppm or less of a basic compound.
    Type: Application
    Filed: December 2, 2019
    Publication date: August 13, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Wataru YAMADA, Masahiro Iwasaki, Ryosuke Fujii, Keisuke Kusano, Yuto Okazaki, Taisuke Fukui
  • Patent number: 10705441
    Abstract: An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer disposed on the conductive substrate.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: July 7, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Ryosuke Fujii, Wataru Yamada, Masahiro Iwasaki, Keisuke Kusano, Taisuke Fukui, Yuto Okazaki
  • Patent number: 10371254
    Abstract: A vehicle drive device that includes an input member that is drivingly connected to a driving force source for wheels; a hydraulic transmission device that includes a transmission input member coaxially disposed with the input member and changes a speed of rotation of the transmission input member and transmits the rotation to a transmission output member; a differential gear device that has an axis different from an axis of the input member and distributes a drive force transmitted from the transmission output member to the wheels; a case that houses at least the transmission device and the differential gear device; an electric oil pump that is driven by a pump rotary electric machine; and a hydraulic control device that controls a hydraulic pressure of oil discharged from the electric oil pump and supplies the oil at least to the transmission device.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: August 6, 2019
    Assignee: AISIN AW CO., LTD.
    Inventors: Taisuke Fukui, Satoru Kasuya, Nobukazu Ike, Masashi Kito, Seigo Kano
  • Patent number: 10190671
    Abstract: A vehicle drive device that includes a mechanical oil pump that is driven by a driving force source for a wheel; an auxiliary oil pressure source; a driving force transmission mechanism that transmits a driving force between the driving force source and the wheel; and a case that accommodates at least the driving force transmission mechanism.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: January 29, 2019
    Assignee: AISIN AW CO., LTD.
    Inventors: Masashi Kito, Taisuke Fukui, Osamu Murai
  • Patent number: 9938973
    Abstract: A vehicle hydraulic supply apparatus with an oil passage component member that includes a first surface being in contact with a first rotor that is a pump rotor of the mechanical oil pump, a second surface facing in a direction opposite to a direction in which the first surface faces and being in contact with a second rotor that is a pump rotor of the electric oil pump, and a suction oil passage and a discharge oil passage of the mechanical oil pump which are located between the first surface and the second surface, and a suction oil passage and a discharge oil passage of the electric oil pump which are located between the first surface and the second surface.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: April 10, 2018
    Assignee: AISIN AW CO., LTD.
    Inventors: Masashi Kito, Taisuke Fukui, Osamu Murai
  • Patent number: 9610842
    Abstract: A vehicle hydraulic pressure supply device that includes a mechanical oil pump driven by a drive force source for wheels; an oil passage constitution member in which an oil passage connected to the mechanical oil pump is formed; and a hydraulic control device that controls a hydraulic pressure supplied from the mechanical oil pump via the oil passage constitution member and that supplies the hydraulic pressure to a vehicle drive transmission device.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: April 4, 2017
    Assignee: AISIN AW CO., LTD.
    Inventors: Satoru Kasuya, Nobukazu Ike, Masashi Kito, Yuichi Seki, Taisuke Fukui, Osamu Murai
  • Publication number: 20160281842
    Abstract: A vehicle drive device that includes an input member that is drivingly connected to a driving force source for wheels; a hydraulic transmission device that includes a transmission input member coaxially disposed with the input member and changes a speed of rotation of the transmission input member and transmits the rotation to a transmission output member; a differential gear device that has an axis different from an axis of the input member and distributes a drive force transmitted from the transmission output member to the wheels; a case that houses at least the transmission device and the differential gear device; an electric oil pump that is driven by a pump rotary electric machine; and a hydraulic control device that controls a hydraulic pressure of oil discharged from the electric oil pump and supplies the oil at least to the transmission device.
    Type: Application
    Filed: August 28, 2014
    Publication date: September 29, 2016
    Applicant: AISIN AW CO., LTD.
    Inventors: Taisuke FUKUI, Satoru KASUYA, Nobukazu IKE, Masashi KITO, Seigo KANO
  • Publication number: 20160230756
    Abstract: A vehicle hydraulic supply apparatus with an oil passage component member that includes a first surface being in contact with a first rotor that is a pump rotor of the mechanical oil pump, a second surface facing in a direction opposite to a direction in which the first surface faces and being in contact with a second rotor that is a pump rotor of the electric oil pump, and a suction oil passage and a discharge oil passage of the mechanical oil pump which are located between the first surface and the second surface, and a suction oil passage and a discharge oil passage of the electric oil pump which are located between the first surface and the second surface.
    Type: Application
    Filed: September 30, 2014
    Publication date: August 11, 2016
    Applicant: AISIN AW CO., LTD.
    Inventors: Masashi KITO, Taisuke FUKUI, Osamu MURAI