Patents by Inventor Wataru Yamada

Wataru Yamada 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: 20160291490
    Abstract: Provided is a fluorine-containing resin particle dispersion including: fluorine-containing resin particles, a resin which is not dissolved in at least one solvent in a group of hydroxyl group-containing solvents including an alcohol-based solvent having 1 to 10 carbon atoms, containing no aromatic ring in the molecule structure, and a water-based medium, and which is adhered on the surface of the fluorine-containing resin particles, and at least one solvent, in which the resin is not dissolved, in the group of hydroxyl group-containing solvents, in which the fluorine-containing resin particles having the resin adhered on the surface thereof are dispersed.
    Type: Application
    Filed: June 7, 2016
    Publication date: October 6, 2016
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Katsumi NUKADA, Wataru YAMADA, Takatsugu DOI, Yuko IWADATE
  • Publication number: 20160204679
    Abstract: Provided is a wheel drive device that can suppress decrease in coil temperature detection accuracy and that can improve responsibility in controlling an electric motor. This wheel drive device includes an electric motor configured to drive a wheel; a wheel bearing configured to transmit a rotation of the electric motor to the wheel and configured to rotationally support the wheel; and an oil supply mechanism configured to guide a lubricating oil, radially outward from inside a main shaft of the electric motor, the lubricating oil being also used for cooling, and configured to inject the lubricating oil to coils of the electric motor. A temperature detector configured to detect a temperature of the coils is disposed above a center of the main shaft and in a gap between coils adjacent to each other in a circumferential direction.
    Type: Application
    Filed: March 21, 2016
    Publication date: July 14, 2016
    Applicant: NTN CORPORATION
    Inventor: Wataru YAMADA
  • Patent number: 9389525
    Abstract: Provided is a fluorine-containing resin particle dispersion including: fluorine-containing resin particles, a resin which is not dissolved in at least one solvent in a group of hydroxyl group-containing solvents including an alcohol-based solvent having 1 to 10 carbon atoms, containing no aromatic ring in the molecule structure, and a water-based medium, and which is adhered on the surface of the fluorine-containing resin particles, and at least one solvent, in which the resin is not dissolved, in the group of hydroxyl group-containing solvents, in which the fluorine-containing resin particles having the resin adhered on the surface thereof are dispersed.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: July 12, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Katsumi Nukada, Wataru Yamada, Takatsugu Doi, Yuko Iwadate
  • Publication number: 20160194024
    Abstract: A power transmission coupling that couples an output shaft of an electric motor and a worm shaft together includes a first rotation element coupled to the output shaft, a second rotation element coupled to the worm shaft, and an intermediate element formed of an elastic body and interposed between the first rotation element and the second rotation element. The intermediate element forms a unit integrally including an annular support portion, power transmission portions extending radially from the support portion and interposed between engaging protrusions of the first rotation element and the second rotation element, a spacer arranged inward of the support portion in a radial direction to apply a preload to the worm shaft in an axial direction, and a coupling portion that couples the support portion and the spacer together.
    Type: Application
    Filed: December 18, 2015
    Publication date: July 7, 2016
    Applicant: JTEKT CORPORATION
    Inventors: Arata KIKUCHI, Wataru YAMADA
  • Patent number: 9377722
    Abstract: A destaticizing device includes: a first destaticizing member that is disposed at a downstream side in a conveyance direction of a medium relatively to a transfer area where an image held in a surface of an image holder is transferred to the medium, the first destaticizing member being grounded and destaticizing the medium; and a second destaticizing member that is disposed adjacent to the first destaticizing member with respect to the conveyance direction of the medium, the second destaticizing member being grounded and destaticizing the medium.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: June 28, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Makoto Kanai, Wataru Yamada, Kanji Shintaku, Tomoya Oki
  • Publication number: 20160124352
    Abstract: A destaticizing device includes: a first destaticizing member that is disposed at a downstream side in a conveyance direction of a medium relatively to a transfer area where an image held in a surface of an image holder is transferred to the medium, the first destaticizing member being grounded and destaticizing the medium; and a second destaticizing member that is disposed adjacent to the first destaticizing member with respect to the conveyance direction of the medium, the second destaticizing member being grounded and destaticizing the medium.
    Type: Application
    Filed: April 22, 2015
    Publication date: May 5, 2016
    Inventors: Makoto KANAI, Wataru YAMADA, Kanji SHINTAKU, Tomoya OKI
  • Patent number: 9235145
    Abstract: An electrophotographic photoreceptor includes a conductive substrate, and a photosensitive layer provided on the conductive substrate, and an outermost surface layer of the electrophotographic photoreceptor is constituted with a polymerized product or crosslinked product of a composition including at least one selected from reactive compounds represented by the formulae (I) and (II) and a non-reactive charge transporting material, a content of the non-reactive charge transporting material in the composition is from 5% by weight to 40% by weight based on the weight of the outermost surface layer, and a content of the unreacted reactive compound in the outermost surface layer after forming the outermost surface layer is 3% by weight or less based on the weight of the outermost surface layer.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: January 12, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, Yuko Iwadate, Kenji Kajiwara
  • Publication number: 20150376306
    Abstract: An object of the invention is to provide a solid polyaluminoxane composition suitably used as a cocatalyst and a catalyst carrier in combination with an olefin oligomerization or polymerization catalyst, without the use of solid inorganic carriers such as silica. The solid polyaluminoxane composition of the invention includes a polyalkylaluminoxane and a trialkylaluminum, and has a solubility in n-hexane at 25° C. of less than 0.50 mol % as measured by a specific method (i), a solubility in toluene at 25° C. of less than 1.0 mol % as measured by a specific method (ii), and a 13 mol % or more molar fraction of alkyl groups derived from the trialkylaluminum moieties relative to the total number of moles of alkyl groups derived from the polyalkylaluminoxane moieties and the alkyl groups derived from the trialkylaluminum moieties as measured with respect to tetrahydrofuran-d8 soluble components by a specific method (iii).
    Type: Application
    Filed: February 7, 2014
    Publication date: December 31, 2015
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Kou TSURUGI, Siori HANADA, Atsushi SHIBAHARA, Kazumori KAWAMURA, Fumiaki NISHINO, Yasuyuki HARADA, Wataru YAMADA, Akiko MATSUMOTO, Isao HARA, Tatsuya NAKAMURA, Toshihiro MUROTO
  • Patent number: 9188885
    Abstract: Provided is a reactive compound represented by the following General Formula (I): wherein in General Formula (I), F represents a charge transporting skeleton, D represents a group represented by the following General Formula (III), and m represents an integer of from 1 to 8: wherein in General Formula (III), L1 represents a divalent linking group including one or more —C(?O)—O— groups.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: November 17, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Tomoya Sasaki, Katsumi Nukada, Wataru Yamada, Takatsugu Doi, Yuko Iwadate, Kenji Kajiwara
  • Patent number: 9182687
    Abstract: Provided is an electrophotographic photoreceptor including a conductive substrate and a photosensitive layer provided on the conductive substrate, wherein an outermost surface layer includes a cured film of a composition containing inorganic particles having polymerizable groups and at least one selected from the reactive compounds represented by the following formulae (I) and (II): wherein F represents a charge transporting skeleton; L represents a divalent linking group; and m represents an integer of 1 to 8, wherein F represents a charge transporting skeleton; L? represents an (n+1)-valent linking group; m? represents an integer of 1 to 6; and n represents an integer of 2 to 3.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: November 10, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Tomoya Sasaki, Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, Yuko Iwadate, Kenji Kajiwara
  • Patent number: 9168818
    Abstract: An electric vehicle includes: a body that includes a body frame; a driving module that includes a sub-frame detachable from the body frame, driving wheels, a driving device provided with a motor mounted on the sub-frame and applying driving force to the driving wheels to start or accelerate the electric vehicle, a driving-wheel suspension device attached to the sub-frame, a driving-wheel brake device stopping or decelerating the electric vehicle, and some other components; a connection unit that maintains the relative position relationship between the body and driving module upon attachment of the sub-frame to the body frame and connects the body to the driving module with signal lines; and a control unit that controls the driving module under an input signal input from the body side through the signal lines connected with the connection unit.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: October 27, 2015
    Assignee: NTN CORPORATION
    Inventors: Isao Hirai, Tetsuya Yamamoto, Wataru Yamada
  • Patent number: 9091991
    Abstract: A stripping mechanism includes a substantially sheet-shaped stripping member that has a first surface and a second surface opposite the first surface, that is elastically deformed with part of the first surface in contact with an image carrier which rotates and carries an image, and that strips a recording medium from the image carrier; and an opposing member that is disposed downstream of the stripping member in a direction in which the image carrier moves, that extends toward the image carrier, and that is opposite the first surface of the stripping member.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: July 28, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Wataru Yamada
  • Patent number: 9061698
    Abstract: A speed reducer for an electric power steering system includes a worm, a worm wheel, and a housing. Only a meshing section where the worm and the worm wheel mesh with each other and a space between the worm wheel and the housing are filled with grease. The grease in the space is in contact with both tooth surfaces of the worm wheel and an inner peripheral face of the housing, the inner peripheral face facing the worm wheel.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: June 23, 2015
    Assignee: JTEKT CORPORATION
    Inventors: Yuji Wakugawa, Ryuji Nakata, Atsuhiro Yoshida, Wataru Yamada, Jun Hamakita, Hideyuki Honkado
  • Patent number: 9057972
    Abstract: An electrophotographic photoreceptor includes an electroconductive substrate, a photosensitive layer provided on the electroconductive substrate, and an outermost surface layer, wherein the outermost surface layer is a layer constituted with a cured product of a composition including at least one of non-charge transporting compounds represented by formulae (I) and (II), and at least one non-reactive charge transporting material:
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: June 16, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, Yuko Iwadate, Kenji Kajiwara
  • Patent number: 9034544
    Abstract: Provided is a compound represented by the following Formula (I): wherein in Formula (I), F represents a charge transporting skeleton, L represents a divalent linking group including a —(CH2)n—O— group, m represents an integer of from 1 to 8, and n represents an integer of from 3 to 6.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: May 19, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Katsumi Nukada, Wataru Yamada, Tomoya Sasaki, Yuko Iwadate, Kenji Kajiwara
  • Patent number: 9034543
    Abstract: An electrophotographic photoreceptor includes a conductive substrate; a charge generating layer provided on the conductive substrate; a charge transporting layer provided on the charge generating layer, which is configured to include a charge transporting material and a polycarbonate; and an outermost surface layer provided on the charge transporting layer, which is constituted with a cured film formed of a composition including a chain polymerizable compound having at least a charge transporting skeleton and a chain polymerizable functional group in the same molecule, and has an A value represented by the following equation (1) being from 0.1 to 0.3, and a B value represented by the following equation (2) being 0.02 or less, each of which is determined by an Attenuated total reflection Fourier transform infrared spectroscopy: A=(S1/S13)?(S0/S03)??Equation (1) B=S2/S23??Equation (2).
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: May 19, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yuko Iwadate, Wataru Yamada, Hidekazu Hirose, Kenji Kajiwara, Katsumi Nukada, Ryo Sekiguchi, Takayuki Ito
  • Patent number: D753590
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: April 12, 2016
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Wataru Yamada, Hideaki Maeda, Shinichi Kimata, Kiyonori Koga, Fumio Matsumoto, Shingo Kingetsu
  • Patent number: D754066
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: April 19, 2016
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Wataru Yamada, Hideaki Maeda, Shinichi Kimata, Kiyonori Koga, Fumio Matsumoto, Shingo Kingetsu
  • Patent number: D766828
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: September 20, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Wataru Yamada, Hideaki Maeda, Shinichi Kimata, Kiyonori Koga, Fumio Matsumoto, Shingo Kingetsu
  • Patent number: D768079
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: October 4, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Wataru Yamada, Hideaki Maeda, Shinichi Kimata, Kiyonori Koga, Fumio Matsumoto, Shingo Kingetsu