Patents by Inventor Tatsushi Kobayashi

Tatsushi Kobayashi 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: 20190100184
    Abstract: A braking device includes: a reservoir; a master cylinder in which when the amount of operation performed on a brake pedal reaches or exceeds a predetermined amount, a port communicating between a pressure chamber and the reservoir is cut off and hydraulic pressure corresponding to the brake pedal operation amount is generated; a hydraulic pressure unit for adjusting the wheel cylinder hydraulic pressure; and a control unit for controlling the hydraulic pressure unit. The control unit determines, based on a temperature-related value related to the temperature of a friction member pressed by the wheel cylinder hydraulic pressure against a rotating member fixed to a wheel, whether the friction member is in a fade state. When the friction member is in a fade state, the control unit controls the hydraulic pressure unit to suction brake fluid from the reservoir through the port, and is fed to the wheel cylinder.
    Type: Application
    Filed: March 28, 2017
    Publication date: April 4, 2019
    Applicant: ADVICS CO., LTD.
    Inventors: Yasuhito ISHIDA, Tatsushi KOBAYASHI, Takayuki YAMAMOTO
  • Publication number: 20190100181
    Abstract: This invention is characterized in being provided with: a determining unit for determining the execution of a state transition from a pressure increase mode in which an electric pump is operated with a differential valve being in a closed state and a holding valve being in an open state to a pressure decrease mode in which the electric pump is operated with the holding valve being in a closed state and the differential valve being in an open state; and a control unit for controlling, when the determining unit determines the execution of the state transition, one or more of the differential valve, the holding valve, a pressure reduction valve, and the electric pump, and reducing the amount of a braking fluid retained in a path between the differential valve and the holding valve.
    Type: Application
    Filed: March 28, 2017
    Publication date: April 4, 2019
    Applicant: ADVICS CO., LTD.
    Inventors: Tatsushi Kobayashi, Takayuki Yamamoto, Yasuhito Ishida, Kunihiro Nishiwaki
  • Publication number: 20180244253
    Abstract: An abnormality detection device includes a control target hydraulic pressure calculating portion that calculates a control target hydraulic pressure according to an operation state of a brake pedal, the hydraulic pressure obtaining portion that obtains the hydraulic pressure of the operating fluid controlled to become the control target hydraulic pressure calculated by the control target hydraulic pressure calculating portion from the pressure sensor; a second determination threshold value changing portion that changes a threshold value to be closer to the control target hydraulic pressure calculated by the control target hydraulic pressure calculating portion in a stepwise manner when a state determining portion determines that the control target hydraulic pressure is in a maintaining state, and the abnormality determining portion that determines the hydraulic pressure braking force generating device is abnormal when the hydraulic pressure obtained by the hydraulic pressure obtaining portion deviates from th
    Type: Application
    Filed: August 25, 2016
    Publication date: August 30, 2018
    Applicants: ADVICS CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tatsushi KOBAYASHI, Takahiro OKANO
  • Publication number: 20180029576
    Abstract: Provided is a brake device capable of detecting abnormality condition of a subject valve without using a wheel pressure sensor and the vehicle brake device includes a valve which is configured to open and close a fluid passage connected to the master chamber and at the same time which is a subject valve for a subject of failure judgement and an abnormality judging portion which is configured to judge whether or not the subject valve is in an abnormal state based on an advancement amount of the master piston accompanying an opening of the subject valve.
    Type: Application
    Filed: January 29, 2016
    Publication date: February 1, 2018
    Applicants: ADVICS CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tatsushi KOBAYASHI, Masaaki KOMAZAWA, Yusuke KAMIYA
  • Patent number: 9868429
    Abstract: A vehicle-use brake apparatus has a control unit which includes a correcting pressure acquisition section that acquires a flow rate correcting pressure corresponding to a discharge amount of brake fluid discharged by a pump, a command differential pressure acquisition section that acquires a command differential pressure by performing a flow rate correction where the flow rate correcting pressure is subtracted from a target wheel cylinder pressure, and a correction restriction section that performs a correction restriction by which the flow rate correcting pressure is reduced or the flow rate correction is not performed if an actual wheel cylinder pressure is smaller than a target wheel cylinder pressure.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: January 16, 2018
    Assignee: ADVICS CO., LTD.
    Inventors: Kiyohito Takeuchi, Tatsushi Kobayashi, Aritomo Nabeta
  • Patent number: 9656644
    Abstract: The braking control device for controlling a master cylinder device includes a housing, an output piston, an input piston, a separation chamber opening and closing portion, and a driving hydraulic pressure generating portion, and is provided with an operation control for controlling the master cylinder device in an operation force operating state (regulator mode) in which the output piston is driven by operation force on a brake operation member and in a driving hydraulic pressure operating state (linear mode) in which the output piston is driven by driving hydraulic pressure from the driving hydraulic pressure generating portion; a brake operation judgment portion for judging the presence or absence of a brake operation and the probability thereof and a state transition limiter for limiting at least one of state transitions between the operating states when the presence of the brake operation and possibility thereof is determined.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: May 23, 2017
    Assignee: ADVICS CO., LTD.
    Inventors: Masaki Maruyama, Kazutaka Noro, Tatsushi Kobayashi, Yasunori Sakata, Akitaka Nishio, Masaaki Komazawa, Yusuke Kamiya, Kiyoyuki Uchida
  • Publication number: 20170021815
    Abstract: A vehicle-use brake apparatus has a control unit which includes a correcting pressure acquisition section that acquires a flow rate correcting pressure corresponding to a discharge amount of brake fluid discharged by a pump, a command differential pressure acquisition section that acquires a command differential pressure by performing a flow rate correction where the flow rate correcting pressure is subtracted from a target wheel cylinder pressure, and a correction restriction section that performs a correction restriction by which the flow rate correcting pressure is reduced or the flow rate correction is not performed if an actual wheel cylinder pressure is smaller than a target wheel cylinder pressure.
    Type: Application
    Filed: July 21, 2016
    Publication date: January 26, 2017
    Inventors: Kiyohito Takeuchi, Tatsushi Kobayashi, Aritomo Nabeta
  • Publication number: 20160310094
    Abstract: A medical image processing apparatus according to one embodiment includes image processing circuitry. The image processing circuitry set a measurement target slice intersecting with a tubular tissue region of a tubular tissue with likelihood of tumor infiltration with respect to a plurality of three-dimensional images in a plurality of phases. The image processing circuitry measure the morphological index value of the measurement target slice of the tubular tissue region over a plurality of phases. The image processing circuitry determine, based on a change in morphological index value over a plurality of phases, whether a tumor has infiltrated the tubular tissue.
    Type: Application
    Filed: April 26, 2016
    Publication date: October 27, 2016
    Applicants: National Cancer Center, Toshiba Medical Systems Corporation
    Inventors: Tatsushi KOBAYASHI, Shinsuke TSUKAGOSHI
  • Publication number: 20150321652
    Abstract: The braking control device for controlling a master cylinder device includes a housing, an output piston, an input piston, a separation chamber opening and closing portion, and a driving hydraulic pressure generating portion, and is provided with an operation control for controlling the master cylinder device in an operation force operating state (regulator mode) in which the output piston is driven by operation force on a brake operation member and in a driving hydraulic pressure operating state (linear mode) in which the output piston is driven by driving hydraulic pressure from the driving hydraulic pressure generating portion; a brake operation judgment portion for judging the presence or absence of a brake operation and the probability thereof and a state transition limiter for limiting at least one of state transitions between the operating states when the presence of the brake operation and possibility thereof is determined.
    Type: Application
    Filed: April 26, 2013
    Publication date: November 12, 2015
    Inventors: Masaki MARUYAMA, Kazutaka NORO, Tatsushi KOBAYASHI, Yasunori SAKATA, Akitaka NISHIO, Masaaki KOMAZAWA, Yusuke KAMIYA, Kiyoki UCHIDA
  • Patent number: 7513694
    Abstract: An optical fiber connecting method not causing any damage to the optical fibers and enabling effective use of space and an optical fiber connection structure formed by the method. The optical fiber connection structure is for connecting optical fibers by means of a component for connecting optical fibers comprising two plugs for aligning at least two optical fibers and connecting them and an adapter for fixing the plugs. Each plug in which an optical fiber is inserted is attached to an adapter in the direction perpendicular to the axial direction of the optical fiber, and the plug and adapter are fixed. A modification may be made in which a latch member is provided to at least one of the plug and adapter, a latch engaging section is provided to the other, the latch member is engaged with the latch engaging section, and the plug and adapter are fixed.
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: April 7, 2009
    Assignee: Tomoegawa Paper Co., Ltd.
    Inventors: Kyoichi Sasaki, Ritsu Kawase, Masayoshi Suzuki, Tatsushi Kobayashi
  • Patent number: 7502536
    Abstract: An optical fiber tape core comprises an optical fiber core assembly and a coating layer formed of silicone rubber and arranged on at least one side of the optical fiber core assembly. In the optical fiber core assembly, plural optical fiber cores two-dimensionally are arranged in parallel with each other. The silicone rubber which forms the coating layer has a hardness of from 20 to 90 and a tensile strength of from 15 to 80 kgf/cm2.
    Type: Grant
    Filed: July 12, 2007
    Date of Patent: March 10, 2009
    Assignee: Tomoegawa Paper Co., Ltd.
    Inventors: Masayoshi Suzuki, Ritsu Kawase, Kyoichi Sasaki, Tatsushi Kobayashi
  • Patent number: 7458729
    Abstract: An optical connecting method for optically connecting ends of a first optical fiber and a second optical fiber secured side to a first plug and a second plug, respectively, wherein the first optical fiber and the second optical fiber are threaded through the first and second plugs, and respective optical fiber is secured to respective plugs with securing parts, a bending step of bending a part of at least one of the first optical fiber and the second optical fiber that is present ahead of the securing part, an aligning step of aligning the first optical fiber and the second optical fiber and fixing a relative position between the first and second plugs, and an abutting step of abutting the first optical fiber and the second optical fiber by releasing flexure of at least one of the first optical fiber and the second optical fiber.
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: December 2, 2008
    Assignee: Tomoegawa Paper Co., Ltd.
    Inventors: Kyoichi Sasaki, Masayoshi Suzuki, Tatsushi Kobayashi
  • Patent number: 7422375
    Abstract: The present invention provides an optical connection structure and optical connection method for enabling a connection characterized by a simple structure, ability to retain optical fibers in an adhered state, easy installation and detachment/attachment, and excellent optical stability. The optical connection structure proposed by the present invention has a solid viscous connection member having refractive-index matching property disposed in a single layer state between the end faces of mutually opposing optical transmission media or between the end face of an optical transmission medium and an optical component that are mutually opposing. The solid viscous connection member should desirably be made of silicone resin or acrylic resin.
    Type: Grant
    Filed: November 17, 2004
    Date of Patent: September 9, 2008
    Assignee: Tomoegawa Paper Co., Ltd.
    Inventors: Masayoshi Suzuki, Kyoichi Sasaki, Tatsushi Kobayashi
  • Publication number: 20070258685
    Abstract: An optical fiber tape core comprises an optical fiber core assembly and a coating layer formed of silicone rubber and arranged on at least one side of the optical fiber core assembly. In the optical fiber core assembly, plural optical fiber cores two-dimensionally are arranged in parallel with each other. The silicone rubber which forms the coating layer has a hardness of from 20 to 90 and a tensile strength of from 15 to 80 kgf/cm2.
    Type: Application
    Filed: July 12, 2007
    Publication date: November 8, 2007
    Applicant: TOMOEGAWA PAPER CO., LTD.
    Inventors: Masayoshi Suzuki, Ritsu Kawase, Kyoichi Sasaki, Tatsushi Kobayashi
  • Patent number: 7286737
    Abstract: An optical fiber tape core comprises an optical fiber core assembly and a coating layer formed of silicone rubber and arranged on at least one side of the optical fiber core assembly. In the optical fiber core assembly, plural optical fiber cores two-dimensionally are arranged in parallel with each other. The silicone rubber which forms the coating layer has a hardness of from 20 to 90 and a tensile strength of from 15 to 80 kgf/cm2.
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: October 23, 2007
    Assignee: Tomoegawa Paper Co., Ltd.
    Inventors: Masayoshi Suzuki, Ritsu Kawase, Kyoichi Sasaki, Tatsushi Kobayashi
  • Publication number: 20070140632
    Abstract: An optical fiber wiring sheet includes: at least one optical-fiber aligning section including a plurality of two-dimensionally aligned and wired coated optical fibers; and at least one optical-fiber branching part where at least one of the plurality of coated optical fibers branches off as a branching coated optical fiber from the remaining coated optical fibers. The coated optical fibers have ends which constitute optical input/output ports.
    Type: Application
    Filed: October 16, 2006
    Publication date: June 21, 2007
    Inventors: Kyoichi Sasaki, Masayoshi Suzuki, Tatsushi Kobayashi, Ken Sukegawa
  • Publication number: 20070086707
    Abstract: There are provided an optical connection structure and an optical connection method capable of holding an optical fiber in a close contact state with a simple structure and easily mounting and detaching the optical fiber while enabling connection having an excellent optical stability. The optical connection structure includes a solid-state adhesive connection member having a refraction factor conformance as a single layer sandwiched between end surfaces of opposing optical transmission media or between the optical transmission media and the optical part. It is preferable that the solid-state adhesive connection member be formed by silicone resin or acryl resin.
    Type: Application
    Filed: November 17, 2004
    Publication date: April 19, 2007
    Inventors: Masayoshi Suzuki, Kyoichi Sasaki, Tatsushi Kobayashi
  • Patent number: 7192196
    Abstract: An optical fiber connection component which is easy to adjust the distance between the optical fiber ends before connection, hardly damages the optical fiber during transportation or connection, and saves the number of parts and the cost, and a method for connecting optical fibers by using this component. The optical fiber connection component used for the optical fiber connection method consists of a connection member having one or more optical fiber through-holes provided with guides for rodlike coupling member at or near both side ends, rodlike coupling members, and a plug having through-holes for rodlike coupling members. The connection member is arranged in the plug slidably with the rodlike coupling member inserted in the plug. Two such optical fiber connection components are opposed to the optical fiber inserted in the through-hole to butt the through-holes of both the connection members against each other.
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: March 20, 2007
    Assignee: Tomoegawa Paper Co., Ltd.
    Inventors: Kyoichi Sasaki, Ritsu Kawase, Masayoshi Suzuki, Tatsushi Kobayashi
  • Patent number: 7182522
    Abstract: An optical connection structure has an adapter which mounts two connection members mounting two optical fibers brought face to face with each other, a cam member which transports the connection members in an axial direction of the optical fiber, and an urging member which urges the optical fiber in the axial direction of the optical fiber in a state that the pair of optical fibers which are held respectively by the pair of connection members are brought face to face with each other.
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: February 27, 2007
    Assignee: Tomoegawa Paper Co., Ltd.
    Inventors: Kyoichi Sasaki, Masayoshi Suzuki, Tatsushi Kobayashi, Kazufusa Noda
  • Patent number: 7139456
    Abstract: An optical fiber wiring sheet includes: at least one optical-fiber aligning section including a plurality of two-dimensionally aligned and wired coated optical fibers; and at least one optical-fiber branching part where at least one of the plurality of coated optical fibers branches off as a branching coated optical fiber from the remaining coated optical fibers. The coated optical fibers have ends which constitute optical input/output ports.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: November 21, 2006
    Assignee: Tomoegawa Paper Co., Ltd.
    Inventors: Kyoichi Sasaki, Masayoshi Suzuki, Tatsushi Kobayashi, Ken Sukegawa