Patents by Inventor Hirotaka Takahashi

Hirotaka Takahashi 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: 20190369337
    Abstract: A cleaning tool for cleaning a plurality of optical connectors where the cleaning tool includes: an adhesive portion that is integrally formed with the cleaning tool and that contacts a plurality of connecting end faces of the optical connectors collectively. The plurality of optical connectors are inserted into and connected with one housing that is fitted with another housing. The adhesive portion is disposed on the other housing. The adhesive portion contacts the connecting end faces collectively by fitting the one housing with the other housing.
    Type: Application
    Filed: October 23, 2017
    Publication date: December 5, 2019
    Applicant: FUJIKURA LTD.
    Inventors: Junichi Nakane, Kunihiko Fujiwara, Shigeo Takahashi, Akihiro Nakama, Hirotaka Asada
  • Publication number: 20190353850
    Abstract: An optical loopback member attaches to a counterpart optical connector to face a plurality of optical fibers of the counterpart optical connector that includes a first input optical fiber, second input optical fiber, first output optical fiber, and second output optical fiber. The optical loopback member includes a first reflector including: a first output light reflection surface that reflects a first output light, outputted in a first direction, from the first output optical fiber; and a first input light reflection surface that reflects light reflected by the first output light reflection surface and directs the reflected light to the first input optical fiber arranged in a second direction with respect to the first output optical fiber. The second direction is perpendicular to the first direction.
    Type: Application
    Filed: February 28, 2018
    Publication date: November 21, 2019
    Applicant: FUJIKURA LTD.
    Inventors: Hirotaka Asada, Akihiro Nakama, Shigeo Takahashi
  • Publication number: 20190348931
    Abstract: A motor drive system includes motor units to operate in accordance with a unified operation command transmitted from an outside to cause an operation to be accomplished by the motor drive system as a whole. Each motor unit includes a communication circuit to receive the unified operation command, a motor, a storage device to store data representing a rotation direction of the motor associated with the unified operation command, a control circuit, and a drive circuit to cause an electric current to pass through the motor based on a control signal. The control circuit is configured to refer to the data, and generate a control signal to cause the motor to rotate in the rotation direction associated with the unified operation command.
    Type: Application
    Filed: December 21, 2017
    Publication date: November 14, 2019
    Inventors: Motoki SATO, Tetsuya TABUCHI, Hirotaka TAKAHASHI
  • Patent number: 10414915
    Abstract: The purpose of the present invention is to provide: a vinyl chloride resin composition having exceptional impact resistance, processability, and heat resistance. The present invention provides: a resin composition that contains 3-15 parts by mass of a rubber-based impact-absorbing material and 0.1-10 parts by mass of a modified olefin wax per 100 parts by mass of a vinyl chloride resin. This resin composition satisfies the following requirements (I)-(III). (I) The chlorine content of the vinyl chloride resin is 55-75% by mass. (II) The glass transition temperature (Tg) in differential scanning calorimetry (DSC) of the rubber-based impact-absorbing material (B) is 0° C. or lower. (III) The modified olefin wax contains at least one polar group selected from halogens and carboxylic acid derivatives, and the polar group content is within the range of 0.1-50% by mass.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: September 17, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Hirotaka Kanaya, Kuniaki Kawabe, Yosuke Takahashi, Toshiyuki Ito
  • Publication number: 20190265417
    Abstract: A ferrule structure includes: a ferrule body including a guide hole that accepts insertion of a guide pin, and a fiber hole that accepts insertion of an optical fiber and that is disposed in an opening surface of the ferrule body; and a lens plate including a guide hole that accepts insertion of the guide pin, a lens part, and an abutment surface that abuts an endface of the optical fiber. A recess is disposed in at least one of the ferrule body and the lens plate. A matching material filling gap, that is to be filled with a refractive index matching material, is formed with the recess, between the opening surface of the ferrule body and the abutment surface of the lens plate.
    Type: Application
    Filed: November 29, 2017
    Publication date: August 29, 2019
    Applicant: FUJIKURA LTD.
    Inventors: Akihiro NAKAMA, Shigeo TAKAHASHI, Hirotaka ASADA
  • Publication number: 20190238673
    Abstract: [Object] To reduce power consumption even more. [Solution] Provided is a communication control device including a communication necessity information acquisition unit configured to acquire communication necessity information indicating necessity to communicate with an external device, and a drive control unit configured to control drive of a first communication unit and a second communication unit on a basis of the acquired communication necessity information, the first communication unit communicating with the external device using a first communication mode, the second communication unit communicating with the external device using a second communication mode capable of transferring data at a rate higher than the first communication mode.
    Type: Application
    Filed: April 10, 2019
    Publication date: August 1, 2019
    Applicant: Sony Corporation
    Inventors: Hirotaka Ishikawa, Makoto Takahashi, Yuuichi Suzuki, Yasuki Kanema, Chisako Kajihara, Tohru Kadono, Takeshi Iwatsu
  • Publication number: 20190193583
    Abstract: A mobile body is driven by power that is wirelessly transferred from a non-contact power supply device including a power transmission resonator that transmits power in accordance with a non-contact power supply method. The mobile body includes; a power reception resonator, a power storage, a motor, a controller, and at least two wheels driven independently of each other by the motor, the at least two wheels including a first movement axis and a second movement axis with an axial orientation different from that of the first movement axis, and moving the mobile body along the first movement axis and the second movement axis. When the mobile body moves to a power supply target range, the controller controls the motor based on power reception status information indicating a status of power reception by the power reception resonator, and moves in a flat plane direction.
    Type: Application
    Filed: February 28, 2017
    Publication date: June 27, 2019
    Inventor: Hirotaka TAKAHASHI
  • Publication number: 20190190434
    Abstract: A motor apparatus includes a motor body, a circuit board, a driver, and a voice detector. The circuit board, which is connected to the motor body, supplies driving electric power to the motor body. The driver, which is mounted on the circuit board, converts power source electric power to the driving electric power. The voice detector, which is mounted on the circuit board, detects a voice.
    Type: Application
    Filed: December 6, 2018
    Publication date: June 20, 2019
    Inventors: Masahiro KIMURA, Hirotaka TAKAHASHI, Masaki KATO
  • Publication number: 20190190301
    Abstract: A mobile body is driven by power from a non-contact power supply device including a power transmission resonator that transmits the power by a non-contact power supply method. The mobile body includes; a power reception resonator, a power storage, a motor, a controller, and at least two wheels that are driven independently and move the mobile body along the first and the second movement axes. When the mobile body is located in a power supply target range, the controller controls the motor based on power reception status information indicating a status of power reception by the power reception resonator, and rotationally moves the mobile body based on a rotation axis defining the center of rotational movement with which an angle of opposition of the power transmission resonator to the power reception resonator varies.
    Type: Application
    Filed: February 28, 2017
    Publication date: June 20, 2019
    Inventor: Hirotaka TAKAHASHI
  • Patent number: 10306045
    Abstract: [Object] To reduce power consumption even more. [Solution] Provided is a communication control device including a communication necessity information acquisition unit configured to acquire communication necessity information indicating necessity to communicate with an external device, and a drive control unit configured to control drive of a first communication unit and a second communication unit on a basis of the acquired communication necessity information, the first communication unit communicating with the external device using a first communication mode, the second communication unit communicating with the external device using a second communication mode capable of transferring data at a rate higher than the first communication mode.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: May 28, 2019
    Assignee: Sony Corporation
    Inventors: Hirotaka Ishikawa, Makoto Takahashi, Yuichi Suzuki, Yasuki Kanema, Chisako Kajihara, Tohru Kadono, Takeshi Iwatsu
  • Publication number: 20190148451
    Abstract: A composition includes a metal particle and a resin and has a wavelength band A having a wavelength band width of 1 ?m or more in a wavelength range of 1 to 14 ?m and a wavelength band B having a lower absorbance than the wavelength band A and having a wavelength band width of 1 ?m or more, and a ratio Amin/Bmax between a minimum value Amin of an absorbance of the wavelength band A and a maximum value Bmax of an absorbance of the wavelength band B is 3 or more.
    Type: Application
    Filed: January 8, 2019
    Publication date: May 16, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka TAKISHITA, Yoichi HOSOYA, Tokuju OIKAWA, Hidenori TAKAHASHI
  • Patent number: 10283551
    Abstract: A back-illuminated solid-state imaging element includes a semiconductor substrate which has a front surface and a back surface provided with a recess, and in which a thinned section, which is a bottom section of the recess, is an imaging area, a signal read-out circuit formed on the front surface of the semiconductor substrate, a boron layer formed on at least the back surface of the semiconductor substrate and a lateral surface of the recess, a metal layer formed on the boron layer, and provided with an opening opposing a bottom surface of the recess, and an anti-reflection layer formed on the bottom surface of the recess.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: May 7, 2019
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Masaharu Muramatsu, Hisanori Suzuki, Yasuhito Yoneta, Shinya Otsuka, Hirotaka Takahashi
  • Publication number: 20190080912
    Abstract: Provided is a method for producing a wiring structural body provided with a wiring pattern, the method including a first step of forming an insulating layer on a surface of a silicon substrate along at least a region for forming the wiring pattern, a second step of forming a boron layer on the insulating layer along the region, and a third step of forming a metal layer on the boron layer by plating.
    Type: Application
    Filed: September 1, 2016
    Publication date: March 14, 2019
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Masaharu MURAMATSU, Hisanori SUZUKI, Yasuhito YONETA, Shinya OTSUKA, Hirotaka TAKAHASHI
  • Publication number: 20190080911
    Abstract: Provided is a wiring structural body provided with a wiring pattern including a through-wiring pattern, the wiring structural body including: a silicon substrate having a through hole in which the through-wiring pattern is disposed; an insulating layer provided on a surface of the silicon substrate including an inner surface of the through hole along at least the wiring pattern; a boron layer provided on the insulating layer along the wiring pattern; and a metal layer provided on the boron layer.
    Type: Application
    Filed: September 1, 2016
    Publication date: March 14, 2019
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Masaharu MURAMATSU, Hisanori SUZUKI, Yasuhito YONETA, Shinya OTSUKA, Hirotaka TAKAHASHI
  • Patent number: 10191603
    Abstract: An information processing device, including: an operation input unit that allows input operations by two types of operating bodies, including an input operation performed via proximity or contact of a part of a human body, and an input operation performed via proximity or contact of a stylus-like input device; and an input control unit that controls switching between the input operation performed via proximity or contact of the part of the human body and the input operation performed via proximity or contact of the stylus-like input device, based on a separation distance between the part of the human body and/or the stylus-like input device and an operation input surface of the operation input unit, and also based on an angle between a central axis of the stylus-like input device and the operation input surface.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: January 29, 2019
    Assignee: SONY CORPORATION
    Inventors: Hirotaka Takahashi, Junichiro Misawa
  • Patent number: 10119489
    Abstract: A diagnostic device for a sensor 100 provided in an exhaust passage 11 of an internal combustion engine 10 of a vehicle and detecting nitrogen compounds in exhaust gas, the diagnostic device including an offset diagnosis unit 42 which diagnoses, during deceleration of the vehicle in which the internal combustion engine 10 stops fuel injection, an offset amount of a sensor value of the sensor 100 from a zero point based on the sensor value of the sensor value, and a diagnosis prohibition unit 44 which prohibits the diagnosing of the offset amount when a flow rate of the exhaust gas of the internal combustion engine 10 rapidly increases while the offset amount is diagnosed by the offset diagnosis unit 42.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: November 6, 2018
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Ken Hasegawa, Hirotaka Takahashi, Masanobu Minezawa
  • Publication number: 20180286899
    Abstract: A method of manufacturing an optical semiconductor device includes preparing a semiconductor substrate having a plurality of photoelectric conversion parts, forming a trench in the semiconductor substrate to separate the plurality of photoelectric conversion parts from each other, forming a boron layer on an inner surface of the trench by a vapor phase growth method, and forming an accumulation layer in the semiconductor substrate along the inner surface of the trench by performing a thermal diffusion treatment on the boron layer.
    Type: Application
    Filed: April 2, 2018
    Publication date: October 4, 2018
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Masaharu MURAMATSU, Yasuhito MIYAZAKI, Hirotaka TAKAHASHI
  • Publication number: 20180286901
    Abstract: A back-illuminated solid-state imaging element includes a semiconductor substrate which has a front surface and a back surface provided with a recess, and in which a thinned section, which is a bottom section of the recess, is an imaging area, a signal read-out circuit formed on the front surface of the semiconductor substrate, a boron layer formed on at least the back surface of the semiconductor substrate and a lateral surface of the recess, a metal layer formed on the boron layer, and provided with an opening opposing a bottom surface of the recess, and an anti-reflection layer formed on the bottom surface of the recess.
    Type: Application
    Filed: July 11, 2016
    Publication date: October 4, 2018
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Masaharu MURAMATSU, Hisanori SUZUKI, Yasuhito YONETA, Shinya OTSUKA, Hirotaka TAKAHASHI
  • Publication number: 20180286898
    Abstract: An optical semiconductor device includes a semiconductor substrate having a plurality of photoelectric conversion parts and having a trench formed to separate the plurality of photoelectric conversion parts from each other, an insulating layer formed on at least an inner surface of the trench, a boron layer formed on the insulating layer, and a metal layer formed on the boron layer.
    Type: Application
    Filed: April 2, 2018
    Publication date: October 4, 2018
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Masaharu MURAMATSU, Yasuhito MIYAZAKI, Hirotaka TAKAHASHI
  • Publication number: 20180252753
    Abstract: A distributed-generator power-generation-amount estimation apparatus and method capable of more accurately and easily estimating output by reflecting a power factor are disclosed.
    Type: Application
    Filed: June 16, 2016
    Publication date: September 6, 2018
    Inventors: Hirotaka TAKAHASHI, Masahiro ADACHI, Katsuhiro MATSUDA