Patents by Inventor Masahiro Fujii

Masahiro Fujii 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: 10890854
    Abstract: An electrophotographic photoreceptor includes a conductive substrate; a photosensitive layer provided on the conductive substrate; and an undercoating layer that is provided between the conductive substrate and the photosensitive layer and includes a charge transport material containing at least one of imide compounds represented by Formula (1) or (2): (in Formulas (1) and (2), R10, R11, R20 or R21 independently represents a group represented by Formula (3) or (4) where X represents a monovalent organic group having at least one of an alkyl group, an alkylene group, an ether group, an ester group, and a keto group, a halogen atom, a nitro group, an aralkyl group, or an aryl group, Y represents a sulfur atom or an oxygen atom, n represents an integer of 0 to 2, and when n represents 2, two X's may be the same or different), and an imide compound is represented by Formula (1A) where Ar represents an aromatic group having 6 to 18 carbon atoms except for a tetravalent perylene group, X1 and X2 each independ
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: January 12, 2021
    Assignee: FUJI XEROX CO.. LTD.
    Inventors: Masahiro Iwasaki, Ryosuke Fujii, Kenji Kajiwara, Wataru Yamada
  • Patent number: 10888388
    Abstract: A medical-manipulator rotation mechanism includes: a cylindrical rotator that is fixed to a treatment part at the distal end and that is supported so as to be rotatable about the longitudinal axis; a long power-transmitting member wound around the rotator; and a folding part that bends the power-transmitting member led out in a tangential direction from the rotator and guides the power-transmitting member toward the proximal-end side, wherein the power-transmitting member is led out in tangential directions at different positions between which a wound part of the rotator around which the power-transmitting member is wound exists.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: January 12, 2021
    Assignee: OLYMPUS CORPORATION
    Inventor: Masahiro Fujii
  • Publication number: 20200395528
    Abstract: A wiring substrate includes a first substrate having a first surface and a second surface at an opposite side to the first surface, a first interconnection disposed on the first surface, a second interconnection disposed on the second surface, and a through interconnection electrically coupling the first interconnection and the second interconnection to each other, and penetrating the first substrate, wherein the through interconnection includes a first through interconnection coupled to the first interconnection, and a second through interconnection coupled to the second interconnection, and the first through interconnection and the second through interconnection partially overlap each other in a plan view from a thickness direction of the first substrate.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 17, 2020
    Inventors: Masahiro FUJII, Shinichi YOTSUYA
  • Publication number: 20200394550
    Abstract: The quantum circuit learning device includes a signal input unit that provides a quantum circuit including plural quantum bits with an input signal, a signal acquisition unit that observes states of quantum bits that the quantum circuit includes and acquires an output signal based on the observed states, and an adjustment unit that adjusts a circuit parameter that defines a circuit configuration of the quantum circuit, using an output signal that the signal acquisition unit acquires and a cost function that is set based on a teacher signal corresponding to the output signal.
    Type: Application
    Filed: August 25, 2020
    Publication date: December 17, 2020
    Inventors: Keisuke Fujii, Makoto Negoro, Kosuke Mitarai, Masahiro Kitagawa
  • Patent number: 10848748
    Abstract: A method for generating a virtual viewpoint image includes generating, by a first image processing apparatus, first information for generating the virtual viewpoint image based on a first image captured by a first camera, generating, by a second image processing apparatus, second information for generating the virtual viewpoint image based on a second image captured by a second camera; specifying a viewpoint in the virtual viewpoint image; and generating, by a third image processing apparatus, a virtual viewpoint image corresponding to the specified viewpoint using the first information and the second information.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: November 24, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Handa, Michio Aizawa, Shogo Mizuno, Katsumasa Tanaka, Akihiro Matsushita, Keisuke Morisawa, Tomohiro Yano, Mai Komiyama, Kenichi Fujii, Atsushi Date
  • Publication number: 20200336719
    Abstract: An information processing apparatus for a system generates a virtual viewpoint image based on image data obtained by performing imaging from a plurality of directions using a plurality of cameras. The information processing apparatus includes a determination unit configured to determine a generation method for generating a virtual viewpoint image using the image data from among a plurality of generation methods depending on a situation of imaging using the plurality of cameras, and an output unit configured to output data in accordance with a result of the determination performed by the determination unit.
    Type: Application
    Filed: May 22, 2017
    Publication date: October 22, 2020
    Inventors: Keisuke Morisawa, Masahiro Handa, Michio Aizawa, Shogo Mizuno, Katsumasa Tanaka, Akihiro Matsushita, Tomohiro Yano, Mai Komiyama, Kenichi Fujii, Atsushi Date
  • Patent number: 10808658
    Abstract: Provided is a connection state determination device. The connection state determination device for the breather pipe determines the connection state of a breather pipe in an internal combustion engine having a supercharger, and the breather pipe is connected between an engine body including a crank case and an intake passage on the upstream side of a compressor of the supercharger, and communicates the crank case and the intake passage. The connection state determination device includes a pipe internal pressure sensor that detects the pressure inside the breather pipe, a pulsation waveform obtaining part for obtaining pulsation due to the variation of pressure inside the breather pipe as a pulsation waveform based on the detected pressure, and a connection state determination part that determines the connection state of the breather pipe based on the pulsation waveform.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: October 20, 2020
    Assignee: Honda Motor Co., Ltd.
    Inventors: Toru Sekiguchi, Masahiro Fujii, Atsuhiro Miyauchi, Takashi Konomoto
  • Publication number: 20200329189
    Abstract: A control device for a system generates a virtual viewpoint image based on image data obtained by performing imaging from a plurality of directions using a plurality of cameras. The control device includes an obtaining unit configured to obtain game information specifying a type of game which is a target of imaging performed by the plurality of cameras, a storage unit configured to store information for associating the game information obtained by the obtaining unit with setting information of the system, and a setting unit configured to perform a setting process of the system based on the game information obtained by the obtaining unit and the information stored in the storage unit.
    Type: Application
    Filed: May 22, 2017
    Publication date: October 15, 2020
    Inventors: Katsumasa Tanaka, Masahiro Handa, Michio Aizawa, Shogo Mizuno, Akihiro Matsushita, Keisuke Morisawa, Tomohiro Yano, Mai Komiyama, Kenichi Fujii, Atsushi Date
  • Patent number: 10800480
    Abstract: A hydraulic operating device comprises a base member, an operating member, a piston, and a mounting member. The base member includes a cylinder bore, a first hose-attachment hole, and a second hose-attachment hole. The first hose-attachment hole is configured to be in fluid communication with the cylinder bore. The second hose-attachment hole is configured to be in fluid communication with the cylinder bore. The operating member is pivotally coupled to the base member about a pivot axis. The mounting member is configured to couple the base member to a handlebar. The mounting member includes a mount opening through which the handlebar is to extend. The first hose-attachment hole, the second hose-attachment hole, and the mount opening are provided on a reference plane perpendicular to the pivot axis.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: October 13, 2020
    Assignee: SHIMANO INC.
    Inventors: Yusuke Nishikawa, Takuma Sakai, Nobuyoshi Fujii, Yoshimitsu Miki, Masahiro Nakakura
  • Publication number: 20200322591
    Abstract: An information processing apparatus for a system generates a virtual viewpoint image based on image data obtained by performing imaging from a plurality of directions using a plurality of cameras. The information processing apparatus includes an obtaining unit configured to obtain a foreground image based on an object region including a predetermined object in a captured image for generating a virtual viewpoint image and a background image based on a region different from the object region in the captured image, wherein the obtained foreground image and the obtained background image having different frame rates, and an output unit configured to output the foreground image and the background image which are obtained by the obtaining unit and which are associated with each other.
    Type: Application
    Filed: May 22, 2017
    Publication date: October 8, 2020
    Applicant: Canon Kabushiki Kaisha
    Inventors: Tomohiro YANO, Masahiro HANDA, Michio AIZAWA, Shogo MIZUNO, Katsumasa TANAKA, Akihiro MATSUSHITA, Keisuke MORISAWA, Mai KOMIYAMA, Kenichi FUJII, Atsushi DATE
  • Publication number: 20200322584
    Abstract: A control device for a system generates a virtual viewpoint image based on image data obtained by performing imaging from a plurality of directions using a plurality of cameras. The control device includes a reception unit configured to receive an instruction issued by a user for specifying a virtual viewpoint associated with generation of a virtual viewpoint image, an obtaining unit configured to obtain restriction information for specifying a restriction region where designation of a virtual viewpoint based on the instruction received by the reception unit is restricted, wherein the restriction region is changed in accordance with a parameter associated with the image data, and a notification unit configured to perform a notification based on the restriction information obtained by the obtaining unit.
    Type: Application
    Filed: May 22, 2017
    Publication date: October 8, 2020
    Inventors: Michio Aizawa, Masahiro Handa, Shogo Mizuno, Katsumasa Tanaka, Akihiro Matsushita, Keisuke Morisawa, Tomohiro Yano, Mai Komiyama, Kenichi Fujii, Atsushi Date
  • Patent number: 10781036
    Abstract: A glass roll includes a glass film formed by a downdraw method. The glass film is wound into a roll using a winding roller in a state in which front and back glass surfaces of the glass film formed in the forming operation are exposed, and during the winding operation, the glass film is superposed on a separable protective sheet. The protective sheet extends beyond both sides in a width direction of the glass film. The protective sheet can further be wound on an outer peripheral surface of the glass film by winding only the protective sheet from a trailing end of the glass film in a winding direction of the glass film.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: September 22, 2020
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Masahiro Tomamoto, Michiharu Eta, Hidetaka Oda, Tatsuya Takaya, Yasuo Yamazaki, Hiroshi Takimoto, Shinichi Ishibashi, Keiji Takagi, Daisuke Nagata, Takahide Nakamura, Toru Sakurabayashi, Katsutoshi Fujiwara, Mitsuharu Noda, Yasuhiko Ogiso, Takahide Fujii
  • Patent number: 10775502
    Abstract: A distance-measuring apparatus, a mobile object, a robot, a three-dimensional measuring device, a surveillance camera, and a distance-measuring method. The distance-measuring apparatus, a mobile object includes a light source to emit light, an imaging element to receive and photoelectrically convert the light into a plurality of electrical signals, and to obtain the electrical signals upon being sorted into a plurality of phase signals, and a computing unit to calculate distance to the object based on the phase signals. In the distance-measuring apparatus, a period of time during which the imaging element obtains the phase signals is different from a light emitting period of the light source in length. The distance-measuring method includes determining whether or not aliasing is present based on a light emitting period of the light source, a period of time during which the plurality of phase signals are obtained, and a result of the calculating.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: September 15, 2020
    Assignee: RICOH COMPANY, LTD
    Inventors: Yoichi Ichikawa, Hiroaki Tanaka, Shu Takahashi, Masahiro Itoh, Yasuhiro Nihei, Takeshi Ogawa, Toshishige Fujii
  • Publication number: 20200269303
    Abstract: A punching device and the like contributing to high-quality punching processing that punches a flat workpiece by a punch includes a measuring instrument for calculating translational forces generated in respective directions of orthogonal two axes in a plane orthogonal to an axis extending along a punching direction by the punch in forces generated at the time of punching the workpiece.
    Type: Application
    Filed: February 17, 2020
    Publication date: August 27, 2020
    Inventors: MASAYUKI TAKAHASHI, KEITARO FUJII, MASAHIRO KUBO
  • Patent number: 10748859
    Abstract: A power converting device such that an overcurrent is interrupted and damage to a power semiconductor element can be prevented is obtained. The power converting device includes a power semiconductor element, a wiring member connected to an electrode of the power semiconductor element, a bus bar that supplies power to the power semiconductor element, and a frame that houses the power semiconductor element, wherein the bus bar has a connection terminal connected to the wiring member, and a fuse portion is provided in the connection terminal.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: August 18, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kenta Fujii, Yuji Shirakata, Masahiro Ueno, Tomoaki Shimano
  • Publication number: 20200253629
    Abstract: A treatment tool includes an long member; a treatment portion rotatable about a longitudinal axis of the long member; a twisting wire one end of which is connected to the treatment portion, the other end extending toward a proximal end side of the long member; an operating portion, at the proximal end side, that includes a body fixed to the long member, and an operating member configured to rotate around and move along the axis; and a mechanism configured to couple the operating member with the wire and convert a rotation of the operating member into traction of the wire. The body includes a portion configured to come into contact with the operating member to prevent the rotation in a case where the operating member is urged in a direction toward a distal end side of the long member together with the mechanism by a restoring force of the wire.
    Type: Application
    Filed: April 30, 2020
    Publication date: August 13, 2020
    Applicant: OLYMPUS CORPORATION
    Inventor: Masahiro FUJII
  • 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
  • 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: 20200255729
    Abstract: A wavelength converter includes: a plurality of phosphor particles; and a binder layer that adheres the plurality of adjacent phosphor particles to one another, the binder layer being composed of a nanoparticle-adhered body in which a plurality of nanoparticles having an average particle size D50 of 1 nm or more and less than 100 nm are adhered to one another.
    Type: Application
    Filed: December 9, 2016
    Publication date: August 13, 2020
    Inventors: Tatsuya OKUNO, Masahiro NAKAMURA, Youshin LEE, Shunpei FUJII
  • Publication number: 20200256223
    Abstract: An abnormality determination device of an internal combustion engine in which a breather line connects an intake-air path positioned upstream from a forced-induction system and a crankcase includes an intake-air flow rate sensor that detects an intake air flow rate in the intake-air path, a pressure sensor that detects a pressure in the breather line, and an abnormality determination unit that determines abnormality of the breather line. The abnormality determination unit compares the pressure and a threshold for each flow rate, integrates a number of times the pressure becomes the threshold or greater, and determines abnormality of the breather line when an integrated value becomes a predetermined value or greater within a predetermined time. The abnormality determination unit calculates a weight coefficient for each flow rate and assigns weights to a number of times the pressure becomes the threshold or greater by using the weight coefficient.
    Type: Application
    Filed: February 6, 2020
    Publication date: August 13, 2020
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Toru Sekiguchi, Takashi Konomoto, Masahiro Fujii