Patents by Inventor Takahiro Kitahara

Takahiro Kitahara 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: 20200299476
    Abstract: In the case of producing a fiber-reinforced composite material having excellent impact resistance by using an automatic lay up device, to provide a prepreg that can be layed up without adhesion and deposition of a part of the reinforced fibers or matrix resin in the device.
    Type: Application
    Filed: November 14, 2018
    Publication date: September 24, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Bon AIZAWA, Ryuichi KITAHARA, Takahiro NISHIMURA, Shinji KOCHI, Naoya TAKEDA
  • Patent number: 10760973
    Abstract: An optical sensor includes a light receiving unit and a calculating unit. The light receiving unit includes a plurality of light receiving elements and a plurality of color filters. The plurality of light receiving elements include a first light receiving element and a second light receiving element through which a photocurrent flows when receiving light. The plurality of color filters include a yellow filter that covers a light receiving surface of the first light receiving element and a red filter that covers a light receiving surface of the second light receiving element. The calculating unit calculates an intensity of a yellow wavelength band based on a difference between a first output signal obtained from the photocurrent of the first light receiving element and a second output signal obtained from the photocurrent of the second light receiving element.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: September 1, 2020
    Assignee: ROHM CO., LTD.
    Inventors: Koji Saito, Takahiro Kitahara, Yoshitsugu Uedaira
  • Publication number: 20200243862
    Abstract: A binder for a secondary battery containing a fluorine-containing polymer (A) and polyvinylidene fluoride (B). The fluorine-containing polymer (A) contains a polymerized unit based on vinylidene fluoride, a polymerized unit based on tetrafluoroethylene, and a polymerized unit based on a monomer (2-2) represented by the following formula (2-2): wherein R5, R6, and R7 are each independently a hydrogen atom or a C1-C8 hydrocarbon group; R8 is a C1-C8 hydrocarbon group; and Y1 is an inorganic cation or an organic cation. Also disclosed is an electrode mixture and an electrode for a secondary battery including the binder, and a secondary battery including the electrode.
    Type: Application
    Filed: October 2, 2018
    Publication date: July 30, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kazuki HOSODA, Takahiro KITAHARA, Manabu FUJISAWA, Takashi IGUCHI, Kazuya ASANO, Chihiro SHINODA
  • Publication number: 20200172476
    Abstract: A sulfuric acid ester containing a plurality of carbonyl groups or a salt thereof, and a surfactant. The sulfuric acid ester is a compound represented by the following formula: R1—C(?O)—R2—C(?O)—R3—OSO3X wherein R1, R2 and R3 are as defined herein; X is H, a metal atom, NR44, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent, where R4s are each H or an organic group and are the same as or different from each other; and any two of R1, R2, and R3 optionally bind to each other to form a ring.
    Type: Application
    Filed: September 29, 2017
    Publication date: June 4, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Satoru YONEDA, Manabu FUJISAWA, Kazuya ASANO, Takahiro KITAHARA, Masahiro HIGASHI, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA
  • Publication number: 20200115820
    Abstract: Provided are a quartz glass crucible capable of withstanding a single crystal pull-up step undertaken for a very long period of time, such as multi-pulling, and a manufacturing method thereof. A quartz glass crucible 1 includes: a cylindrical crucible body 10 which has a bottom and is made of quartz glass; and crystallization-accelerator-containing coating films 13A and 13B which are formed on surfaces of the crucible body 10 so as to cause crystallization-accelerator-enriched layers to be formed in the vicinity of the surfaces of the crucible body 10 by heating during a step of pulling up a silicon single crystal by a Czochralski method.
    Type: Application
    Filed: April 2, 2018
    Publication date: April 16, 2020
    Inventors: Hiroshi KISHI, Kouta HASEBE, Takahiro ABE, Hideki FUJIWARA, Eriko KITAHARA
  • Publication number: 20200067052
    Abstract: A secondary battery separator including a porous substrate and a porous film firmly bonded to each other, the porous film being disposed on or above the porous substrate. The porous film contains a fluorine-containing polymer that contains a polymerized unit based on vinylidene fluoride, a polymerized unit based on tetrafluoroethylene, and a polymerized unit based on a monomer represented by the following formula (2-2): R5R6C?CR7R8CO2Y1??(2-2) wherein R5, R6, and R7 are each independently a hydrogen atom or a C1-C8 hydrocarbon group; R8 is a C1-C8 hydrocarbon group; and Y1 is an inorganic cation and/or an organic cation. Also disclosed is a secondary battery including the secondary battery separator; a positive electrode; a negative electrode; and a non-aqueous electrolyte solution.
    Type: Application
    Filed: March 27, 2018
    Publication date: February 27, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takahiro KITAHARA, Manabu FUJISAWA, Takashi IGUCHI, Kazuya ASANO, Chihiro SHINODA
  • Publication number: 20190296359
    Abstract: A binder and an electrode mixture for a secondary battery. The binder contains a fluorine-containing polymer containing a polymerized unit based on vinylidene fluoride, a polymerized unit based on tetrafluoroethylene, and a polymerized unit based on a monomer (2-2) represented by the following formula (2-2): R5R6C?CR7R8CO2Y1??(2-2) wherein R5, R6, and R7 are each independently a hydrogen atom or a C1-C8 hydrocarbon group; R8 is a C1-C8 hydrocarbon group; and Y1 is an inorganic cation and/or an organic cation.
    Type: Application
    Filed: September 27, 2017
    Publication date: September 26, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kazuya ASANO, Takashi IGUCHI, Manabu FUJISAWA, Chihiro SHINODA, Tomoyuki GOTO, Kazuki HOSODA, Takahiro KITAHARA
  • Patent number: 10357877
    Abstract: An industrial robot may include a plurality of hands structured to mount the transfer objects; an arm comprising a front end side and a base end side, the hands being rotatably joined with the front end side of the arm; and a main body portion to which the base end side of the arm is rotatably joined. The main body portion may include an elevating unit to which the base end side of the arm is rotatably joined on a top surface side thereof, a housing which holds the elevating unit to be raised/lowered and in which at least part of a bottom end of the elevating unit is housed, and an elevating mechanism structured to raise and lower the elevating unit. The elevating mechanism may be accommodated in the housing so as to align with the elevating unit when viewed from a top-bottom direction.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: July 23, 2019
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Takahiro Shiraki, Yasuyuki Kitahara, Tamotsu Kuribayashi, Takao Nakae, Shigeyuki Kaino
  • Publication number: 20190145826
    Abstract: An optical sensor includes a light receiving unit and a calculating unit. The light receiving unit includes a plurality of light receiving elements and a plurality of color filters. The plurality of light receiving elements include a first light receiving element and a second light receiving element through which a photocurrent flows when receiving light. The plurality of color filters include a yellow filter that covers a light receiving surface of the first light receiving element and a red filter that covers a light receiving surface of the second light receiving element. The calculating unit calculates an intensity of a yellow wavelength band based on a difference between a first output signal obtained from the photocurrent of the first light receiving element and a second output signal obtained from the photocurrent of the second light receiving element.
    Type: Application
    Filed: November 5, 2018
    Publication date: May 16, 2019
    Inventors: Koji SAITO, Takahiro KITAHARA, Yoshitsugu UEDAIRA
  • Publication number: 20180259389
    Abstract: A photodetector includes a semiconductor substrate; a light receiving part for signal detection and an infrared light receiving part which are formed in the semiconductor substrate and are covered at least by first color filters having a common color; and second color filters which overlap with the first color filters on the infrared light receiving part and are configured to block light in a wavelength range transmitting through the first color filters.
    Type: Application
    Filed: May 9, 2018
    Publication date: September 13, 2018
    Applicant: Rohm Co., Ltd.
    Inventors: Yoshitsugu Uedaira, Takahiro Kitahara
  • Patent number: 9989173
    Abstract: The present invention provides a flexible pipe having excellent blister resistance in a high-temperature and high-pressure environment even though including a thick resin pipe. The flexible pipe includes a resin pipe having a thickness of greater than 5 mm. The resin pipe is formed from a resin having a CO2 permeability coefficient P(CO2) of 20×10?9 cm3·cm/cm2·s·cmHg or lower at 150° C., a CH4 permeability coefficient P(CH4) of 10×10?9 cm3·cm/cm2·s·cmHg or lower at 150° C., a ratio D(CO2)/S(CO2) between a CO2 diffusion coefficient D(CO2) and a CO2 solubility coefficient S(CO2) of 3×10?5 Pa·m2/s or higher at 150° C., and a ratio D(CH4)/S(CH4) between a CH4 diffusion coefficient D(CH4) and a CH4 solubility coefficient S(CH4) of higher than 15×10?5 Pa·m2/s at 150° C.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: June 5, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Shinya Murakami, Takeshi Inaba, Takahiro Kitahara, Yuuki Kuwajima
  • Patent number: 9989408
    Abstract: A photodetector includes a semiconductor substrate; a light receiving part for signal detection and an infrared light receiving part which are formed in the semiconductor substrate and are covered at least by first color filters having a common color; and second color filters which overlap with the first color filters on the infrared light receiving part and are configured to block light in a wavelength range transmitting through the first color filters.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: June 5, 2018
    Assignee: Rohm Co., Ltd.
    Inventors: Yoshitsugu Uedaira, Takahiro Kitahara
  • Patent number: 9920863
    Abstract: The present invention provides a flexible pipe having excellent blister resistance in a high-temperature and high-pressure environment even though including a thick resin pipe. The flexible pipe includes a resin pipe having a thickness of greater than 5 mm. The resin pipe is formed from a resin having a CO2 permeability coefficient P(CO2) of 20×10?9 cm3·cm/cm2·s·cmHg or lower at 150° C., a CH4 permeability coefficient P(CH4) of 10×10?9 cm3·cm/cm2·s·cmHg or lower at 150° C., a ratio D(CO2)/S(CO2) between a CO2 diffusion coefficient D(CO2) and a CO2 solubility coefficient S(CO2) of 3×10?5 Pa·m2/s or higher at 150° C., and a ratio D(CH4)/S(CH4) between a CH4 diffusion coefficient D(CH4) and a CH4 solubility coefficient S(CH4) of higher than 15×10?5 Pa·m2/s at 150° C.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: March 20, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Shinya Murakami, Takeshi Inaba, Takahiro Kitahara, Yuuki Kuwajima
  • Patent number: 9873781
    Abstract: The present invention aims to provide an acrylic rubber composition capable of giving an acrylic rubber molded product good in low-friction properties and non-sticking properties. The present invention relates to an acrylic rubber composition containing an acrylic rubber (A) and a fluororesin (B), the fluororesin (B) being a perfluororesin.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: January 23, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomihiko Yanagiguchi, Yasuhiro Nakano, Haruhisa Masuda, Takahiro Kitahara
  • Publication number: 20170307113
    Abstract: The present invention provides a flexible pipe having excellent blister resistance in a high-temperature and high-pressure environment even though including a thick resin pipe. The flexible pipe includes a resin pipe having a thickness of greater than 5 mm. The resin pipe is formed from a resin having a CO2 permeability coefficient P(CO2) of 20×10?9 cm3·cm/cm2·s·cmHg or lower at 150° C., a CH4 permeability coefficient P(CH4) of 10×10?9 cm3·cm/cm2·s·cmHg or lower at 150° C., a ratio D(CO2)/S(CO2) between a CO2 diffusion coefficient D(CO2) and a CO2 solubility coefficient S(CO2) of 3×10?5 Pa·m2/s or higher at 150° C., and a ratio D(CH4)/S(CH4) between a CH4 diffusion coefficient D(CH4) and a CH4 solubility coefficient S(CH4) of higher than 15×10?5 Pa·m2/s at 150° C.
    Type: Application
    Filed: October 6, 2015
    Publication date: October 26, 2017
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Shinya MURAKAMI, Takeshi INABA, Takahiro KITAHARA, Yuuki KUWAJIMA
  • Patent number: 9725534
    Abstract: An object of the present invention it to provide a novel fluororesin that has excellent mechanical strength and chemical resistance, and very low permeability at high temperature. The fluorine resin is a copolymer that includes copolymerized units derived from tetrafluoroethylene, vinylidene fluoride, and an ethylenically unsaturated monomer other than tetrafluoroethylene and vinylidene fluoride. The fluororesin has a storage modulus E?, as measured at 170° C. by a dynamic viscoelasticity analysis, in the range of 60 to 400 MPa.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: August 8, 2017
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Takahiro Kitahara, Takuma Kawabe
  • Patent number: 9515109
    Abstract: A photodetection device of the present invention includes a semiconductor substrate which is defined such that a first light-receiving portion and a second light-receiving portion are spaced from one another, and an optical filter which is formed on the semiconductor substrate, and includes a first filter which is disposed so as to cover the first light-receiving portion, to selectively allow an optic element in a first wavelength band to transmit through, and a second filter which is disposed so as to cover the second light-receiving portion, to selectively allow an optic element in a second wavelength band different from the first wavelength band, to transmit through, and the optical filter has a filter laminated structure which is defined such that edge portions of the first filter and the second filter overlap one another on a boundary region between the first light-receiving portion and the second light-receiving portion.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: December 6, 2016
    Assignee: Rohm Co., Ltd.
    Inventors: Yoshitsugu Uedaira, Takahiro Kitahara
  • Patent number: 9444104
    Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 89.0 mol % based on all the polymer units, and the organic solvent being N-methyl-2-pyrolidone and/or N,N-dimethylacetamide.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: September 13, 2016
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Toshiki Ichisaka, Takashi Iguchi, Tomoyuki Fukatani, Kazunobu Uchida, Takuji Ishikawa, Norimasa Uesugi, Takahiro Kitahara
  • Patent number: 9444103
    Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including polyvinylidene fluoride and a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 90.0 mol % based on all the polymer units, the polyvinylidene fluoride having a number average molecular weight of 150,000 to 1,400,000.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: September 13, 2016
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Toshiki Ichisaka, Takashi Iguchi, Tomoyuki Fukatani, Kazunobu Uchida, Takuji Ishikawa, Norimasa Uesugi, Takahiro Kitahara
  • Publication number: 20160169734
    Abstract: A photodetector includes a semiconductor substrate; a light receiving part for signal detection and an infrared light receiving part which are formed in the semiconductor substrate and are covered at least by first color filters having a common color; and second color filters which overlap with the first color filters on the infrared light receiving part and are configured to block light in a wavelength range transmitting through the first color filters.
    Type: Application
    Filed: December 9, 2015
    Publication date: June 16, 2016
    Inventors: Yoshitsugu Uedaira, Takahiro Kitahara