Patents by Inventor Koji Sugiyama

Koji Sugiyama 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: 20200278392
    Abstract: A voltage application device of a tester includes a voltage setting controller that sets a number of transient steps, step time, and step voltage as transient voltage setting parameters; and a device power supply (DPS) configured to supply power to the plurality of devices under test formed on a substrate. The voltage application device outputs an output voltage having a step-like transient voltage waveform based on the transient voltage setting parameters set by the voltage setting controller. The voltage application device is a high-order lag system of a second-order or higher in which an overshoot occurs in a response with respect to a set voltage. An end point of a step time of each of the transient steps set in the voltage setting controller is set to be a time between an end point of a rising time and an overshoot time.
    Type: Application
    Filed: July 25, 2018
    Publication date: September 3, 2020
    Inventors: Shigeki Ishii, Katsuaki Sugiyama, Kenichi Narikawa, Koji Shinagawa, Takumi Nagura
  • Publication number: 20200266656
    Abstract: A power supply device includes a combination of one power supply module of a plurality of power supply modules having different power supply performances and one controller of a plurality of controllers having different functions, which are selectively combined. Each of the plurality of power supply modules includes a power supply module side connection portion common to the plurality of power supply modules, and each of the plurality of controllers includes a controller side connection portion common to the plurality of controllers and connectable to the power supply module side connection portion, to allow the one power supply module and the one controller are selectively combined.
    Type: Application
    Filed: February 19, 2020
    Publication date: August 20, 2020
    Applicants: JTEKT CORPORATION, KYOHO MACHINE WORKS, LTD.
    Inventors: Takanori ONISHI, Koji NISHI, Shinichi SAWADA, Toyoki SUGIYAMA, Takumi MIO, Yukihiro KOMATSUBARA, Satoshi SHINODA, Masafumi KAWANO
  • Publication number: 20200249479
    Abstract: Provided is a small-sized information display device displaying video image information as a virtual image by use of an eyepiece optical system including a concave mirror having desired reflection characteristics in a specific polarization direction, where a liquid crystal display panel is used as a video image light source. The information display device has a liquid crystal display panel as a flat display forming video image information disposed therein, and includes a virtual image optical system including a member to be projected for displaying virtual images in front of a vehicle by making a video image displayed on the liquid crystal display panel reflect on the member to be projected. The virtual image optical system includes a concave mirror, and a reflective film of the concave mirror has desired reflection characteristics in a specific polarization direction, so that virtual images having uniform brightness and chromaticity can be obtained.
    Type: Application
    Filed: April 1, 2020
    Publication date: August 6, 2020
    Inventors: Koji HIRATA, Masahiko YATSU, Toshinori SUGIYAMA, Hiroyuki KAJIKAWA, Kazuomi KANEKO
  • Patent number: 10732347
    Abstract: According to one embodiment, a liquid crystal display device includes a liquid crystal panel and a backlight device. The backlight device includes a case with a bottom plate and a side plate, a light guide on the bottom plate, and a light source device. The light source device includes a wiring substrate and a light-emitting element on the wiring substrate. The wiring substrate includes a mounting portion on which the light-emitting element is mounted, a connection wiring portion on a back surface side of the bottom plate, and a joint portion which joints the mounting portion and the connection wiring portion together. The joint portion extends from an inside to an outside of the case through a gap between the side plate of the case and the liquid crystal panel.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: August 4, 2020
    Assignee: Japan Display Inc.
    Inventors: Kosuke Matsubara, Ken Sugiyama, Kazunari Nishita, Koji Hiramoto
  • Publication number: 20200201037
    Abstract: The information display apparatus has a housing with an opening and a transparent cover formed on the opening, the housing includes image-light generating means configured to generate image light that displays the image information and an optical system configured to allow a driver of the vehicle to recognize image information based on the image light from the image-light generating means as a virtual image in front of the windshield. When S-polarized light on the windshield is assumed to be a first polarized wave while polarized light that orthogonally crosses the S-polarized light in a polarizing direction is assumed to be a second polarized wave, the image-light generating means is configured to generate the image light made of the first polarized wave, and a transmittance/reflectance control means blocks a part of the first polarized wave and the second polarized wave of incident external light entering the housing from the opening.
    Type: Application
    Filed: May 25, 2018
    Publication date: June 25, 2020
    Inventors: Tomoki YAMAMOTO, Toshinori SUGIYAMA, Koji HIRATA, Masahiko YATSU
  • Publication number: 20200201043
    Abstract: The light source apparatus has: a light source unit including a plurality of semiconductor light source elements; a collimator including a plurality of collimator elements, each of the plural collimator elements being disposed on a light emission axis of each of the plural semiconductor light source elements; a polarization conversion element disposed on an emission side of the collimator; and a light guide disposed on an emission side of the polarization conversion element, the plural semiconductor light source elements and the plural collimator elements are arranged in a first direction orthogonal to the light emission axis, and the polarization conversion element extends in the first direction, and includes a polarizing beam splitter and a phase plate, which are arranged at symmetrical positions with respect to a plane formed by the first direction and a second direction corresponding to the light emission axis.
    Type: Application
    Filed: June 16, 2017
    Publication date: June 25, 2020
    Inventors: Toshinori SUGIYAMA, Koji HIRATA, Masahiko YATSU, Yasuhiko KUNII, Kazuomi KANEKO
  • Patent number: 10690311
    Abstract: A vehicle headlight device attached to a part of a vehicle and configured to apply illumination light to a road surface on which the vehicle runs comprises: a light source device configured to Generate the illumination light; an optical unit disposed on a light axis of the light source device and configured to project the illumination light from the light source device so as to form a desired light distribution; and a polarization direction conversion device disposed in a part of a light path between the light source device and the optical unit and being able to control the illumination light from the light source device with inclusion of conversion of a polarization direction thereof for each irradiation region in accordance with a state of a position irradiated with the illumination light on the road surface.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: June 23, 2020
    Assignee: Maxell, Ltd.
    Inventors: Koji Hirata, Toshinori Sugiyama, Yasuhiko Kunii
  • Publication number: 20200189363
    Abstract: A HUD device and an image display apparatus for solving a problem that a HUD image cannot be seen in a HUD device that displays a virtual image when wearing the sunglasses having polarization function are provided. A head up display device for a vehicle is provided with an image display apparatus configured to project an image onto a windshield or a combiner by polarized light and means of converting polarization of polarized light of the image projected from the image display apparatus, the means being provided on a part of a light path from the image display apparatus to the windshield or the combiner.
    Type: Application
    Filed: August 1, 2017
    Publication date: June 18, 2020
    Inventors: Toshinori SUGIYAMA, Koji HIRATA, Yasuhiko KUNII, Masahiko YATSU, Kazuomi KANEKO
  • Patent number: 10686350
    Abstract: A manufacturing method of a rotary electric machine is disclosed. The rotary electric machine includes a stator provided with a stator iron core, which is cylindrical and in which slots are formed in a circumferential direction on an inner circumferential surface, and coils of phases that are each inserted into the slots, and a movable element provided with a movable element iron core supported in a rotatable manner relative to the stator and at least a pair of movable element magnetic poles provided in the movable element iron core. The method includes: a split flux coil formation step; a coil setting step; a stator iron core setting step; and a split flux coil collective insertion step.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: June 16, 2020
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Toshiya Sugiyama, Yusaku Kawanishi, Akinori Hoshino, Hiroaki Yabui, Koji Sato
  • Patent number: 10670864
    Abstract: Provided is a small-sized information display device displaying video image information as a virtual image by use of an eyepiece optical system including a concave mirror having desired reflection characteristics in a specific polarization direction, where a liquid crystal display panel is used as a video image light source. The information display device has a liquid crystal display panel as a flat display forming video image information disposed therein, and includes a virtual image optical system including a member to be projected for displaying virtual images in front of a vehicle by making a video image displayed on the liquid crystal display panel reflect on the member to be projected. The virtual image optical system includes a concave mirror, and a reflective film of the concave mirror has desired reflection characteristics in a specific polarization direction, so that virtual images having uniform brightness and chromaticity can be obtained.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: June 2, 2020
    Assignees: MAXELL, LTD., HITACHI INDUSTRY & CONTROL SOLUTIONS, LTD.
    Inventors: Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Hiroyuki Kajikawa, Kazuomi Kaneko
  • Patent number: 10661781
    Abstract: A vehicle control apparatus includes: a state determining portion configured to determine whether an engine is in a first operational state corresponding to a normal operation state or a second operational state corresponding to an engine stop state in which the engine is stopped and/or a catalyst warming-up state in which the engine is operated to warm up a catalyst; and a shift control portion configured, in process of a shifting action of a transmission mechanism, to control at least an engaging pressure of an engaging coupling device as one of a plurality of coupling devices of the transmission mechanism, which is to be placed in an engaged state upon completion of the shifting action, such that the engaging pressure of the engaging coupling device is controlled to be lower when the engine is in the second operational state, than when the engine is in the first operational state.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: May 26, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Sugiyama, Shinichi Sasade, Kazuyuki Shiiba, Tooru Matsubara, Masato Yoshikawa, Takahiro Kimura
  • Publication number: 20200159013
    Abstract: A head up display apparatus configured to display a virtual image corresponding to video to a driver by projecting the video onto a windshield of a vehicle, includes: a video display apparatus including an LED light source and a display element, the video display apparatus being configured to form the video on the display element; and a virtual image optical system configured to cause light emitted from the video display apparatus to be reflected by the windshield to display the virtual image in front of the vehicle. The virtual image optical system includes a concave mirror and an optical element, and a freeform surface of the concave mirror is set so that an optical axis of video light traveling from the concave mirror toward the windshield is inclined in a horizontal direction.
    Type: Application
    Filed: June 23, 2017
    Publication date: May 21, 2020
    Inventors: Koji HIRATA, Masahiko YATSU, Toshinori SUGIYAMA, Kazuomi KANEKO
  • Patent number: 10591049
    Abstract: A control apparatus for a vehicle provided with a step-variable transmission including a one-way clutch to be placed in an engaged state to establish a predetermined one of gear positions of the step-variable transmission, and a coupling device disposed parallel with the one-way clutch, includes a control portion configured to control a shift-up action of the step-variable transmission from the above-indicated predetermined one gear position in which the coupling device is placed in its engaged state, the control portion controlling the shift-up action so as to delay a releasing action of the coupling device where a required torque of the vehicle prior to a moment of initiation of an inertia phase of the shift-up action is larger than a predetermined value, with respect to the releasing action where the required torque is not larger than the predetermined value.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: March 17, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shinichi Sasade, Kazuyuki Shiiba, Tooru Matsubara, Koji Sugiyama
  • Publication number: 20200070852
    Abstract: A control apparatus for a vehicle having a step-variable transmission. The control apparatus includes: a shift control portion to temporarily increase an input torque of the step-variable transmission beyond a required value, the shift control portion commanding an engaging-side coupling device which is the coupling device placed in a released state, to be brought into an engaged state, when the input speed has been raised to a predetermined value; and a torque increasing amount setting portion to set an amount of increase of the input torque of the step-variable transmission beyond the required value, such that the amount of increase is smaller when a rate of change of a running speed of the vehicle is relatively low than when the rate of change is relatively high, the rate of change of the running speed having a negative value in a decelerating state of the vehicle.
    Type: Application
    Filed: August 29, 2019
    Publication date: March 5, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shinichi SASADE, Kenta KUMAZAKI, Jun GOTO, Koji SUGIYAMA, Takahiro KIMURA
  • Patent number: 10578917
    Abstract: According to one embodiment, a backlight device includes a support frame including a first frame body including a pair of first frame members and a second frame member connected to respective ends of the first frame members and a second frame body being separate from the first frame body, which connects other respective ends of the first frame members to each other, a reflective sheet on the support frame, a light guide on the reflective sheet within the support frame, an optical sheet on the light guide, and a light source unit in the support frame. The light source unit includes a wiring board on the second frame body and a light source on the wiring board, opposing an incidence surface of the light guide.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: March 3, 2020
    Assignee: Japan Display Inc.
    Inventors: Ken Sugiyama, Koji Hiramoto, Taketoshi Masamoto, Kazunari Nishita
  • Publication number: 20200048257
    Abstract: Provided are a novel compound having an antagonistic activity for the P2X7 receptor, and a pharmaceutical composition having an antagonistic activity for the P2X7 receptor. The compound represented by Formula (I): wherein the symbols are defined in the specification, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: October 16, 2017
    Publication date: February 13, 2020
    Applicant: Shionogi & Co., Ltd.
    Inventors: Koji MASUDA, Shuichi SUGIYAMA, Toru YAMADA, Eiichi KOJIMA, Tomoyuki OGAWA, Naotake KOBAYASHI, Hiroyuki KAI
  • Patent number: 10545281
    Abstract: According to one embodiment, a backlight device includes a case including a bottom plate formed from a metal plate, a plurality of side plates formed of metal plates along side edges of the bottom plate and a plurality of resin members each embedded into a gap between each adjacent pair of the side plates to form a corner portion, a light guide in the case, an optical sheet on the light guide, and a light source unit in the case, configured to emit light to enter the light guide.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: January 28, 2020
    Assignee: Japan Display Inc.
    Inventors: Ken Sugiyama, Koji Hiramoto, Kazunari Nishita
  • Patent number: 10534379
    Abstract: A pressure reducing valve includes a body, an annular valve seat, a valve element, and a pressing mechanism configured to press the valve element. The pressing mechanism includes a plug provided downstream of the valve seat and having a plug hole, and a pin including a sliding portion and an upstream end, the sliding portion having a shaft shape and being inserted in the plug hole such that a gap is provided between the sliding portion and an inner peripheral surface of the plug hole, and the upstream end being provided upstream of the sliding portion so as to contact the valve element. A fitting length of the sliding portion with respect to the plug hole and the gap between the sliding portion and the plug hole satisfy 0.0005 L<C<0.00908 L, where L indicates the fitting length, and C indicates the gap.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: January 14, 2020
    Assignees: JTEKT CORPORATION, TOYOTA TECHNICAL DEVELOPMENT CORPORATION, SOKEN, INC.
    Inventors: Kazuhisa Sugiyama, Koji Nishi, Akira Nakano, Yutaka Hotta, Akira Yamashita, Shota Yamamoto, Yasushi Mitsuishi
  • Publication number: 20200011501
    Abstract: A vehicle headlight apparatus, on a vehicle applies illumination light to a road surface, comprises: a light source device to generate the illumination light; and a lens on a light axis of the light source device and projects the illumination light from the light source device to form a desired light distribution, wherein the light source device includes: one or more semiconductor light source elements to emit light; a collimator unit having one or more collimators disposed on a light emission axis of each of the semiconductor light source elements and converts light emitted from a solid light source into substantially parallel light; and a polarization conversion element provided on an emission surface side of the collimator unit and converts incident light into predetermined polarized light, and the illumination light emitted from the polarization conversion element of the light source device is applied in a predetermined direction through the lens.
    Type: Application
    Filed: January 18, 2018
    Publication date: January 9, 2020
    Applicant: Maxell, Ltd.
    Inventors: Yasuhiko KUNII, Toshinori SUGIYAMA, Koji HIRATA
  • Publication number: 20190390836
    Abstract: A vehicle headlight device attached to a part of a vehicle and configured to apply illumination light to a road surface on which the vehicle runs comprises: a light source device configured to Generate the illumination light; an optical unit disposed on a light axis of the light source device and configured to project the illumination light from the light source device so as to form a desired light distribution; and a polarization direction conversion device disposed in a part of a light path between the light source device and the optical unit and being able to control the illumination light from the light source device with inclusion of conversion of a polarization direction thereof for each irradiation region in accordance with a state of a position irradiated with the illumination light on the road surface.
    Type: Application
    Filed: December 12, 2017
    Publication date: December 26, 2019
    Applicant: MAXELL, LTD.
    Inventors: Koji HIRATA, Toshinori SUGIYAMA, Yasuhiko KUNII