Patents by Inventor Yasuo Ito

Yasuo Ito 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: 20220010113
    Abstract: A cellulose fiber-reinforced polypropylene resin formed body that is a resin formed body having respective diffraction peaks observed at positions of a scattering vector s of 1.61±0.1 nm?1, 1.92±0.1 nm?1, and 3.86±0.1 nm?1 in a wide-angle X-ray diffraction measurement, and is characterized by having ?T calculated by the following formula (1) of 40.0° C. or more; and a cellulose fiber-reinforced polypropylene resin formed body that is a resin formed body having the above diffraction peaks and is characterized by having ?Tm and ?Tc expressed by the following formulae (2) and (3) and satisfying ?Tm<?Tc; and a producing method of these.
    Type: Application
    Filed: September 24, 2021
    Publication date: January 13, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yukihiro IKURA, Mayu SATAKE, Suzune ITO, Yasuo NAKAJIMA, Kenichi SUYAMA, Jae Kyung KIM, Hiroki TANAKA, Isao TOMOMATSU
  • Patent number: 9983062
    Abstract: A photoelectric conversion element is realized in which the movement direction of electrons in the element changes according to the wavelength of light to be converted. A photoelectric conversion unit includes an active layer on which light to be converted is incident, an intermediate layer that is arranged on the active layer on a side opposite to the side on which the light to be converted is incident, and a reflection layer that is arranged so as to oppose the active layer with the intermediate layer interposed therebetween. The active layer includes a plasmonic material, which is a material in which plasmon resonance occurs due to a reciprocal action with the light to be converted. The intermediate layer has both a semiconductor property and transparency with respect to the light to be converted. The reflection layer has reflectivity with respect to the light to be converted.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: May 29, 2018
    Assignee: IMRA JAPAN KABUSHIKI KAISHA
    Inventors: Vu Chung Hoang, Koki Hayashi, Yasuo Ito
  • Patent number: 9982831
    Abstract: Provided is a thermal insulation having both excellent thermal insulating performance and excellent strength, and a method of producing the same. A method of producing a thermal insulation according to the present invention includes curing (S2) a dry-pressed compact, including silica fine particles each having an average particle diameter of 50 nm or less and a reinforcement fiber, at a relative humidity of 70% or more.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: May 29, 2018
    Assignee: NICHIAS CORPORATION
    Inventors: Yasuo Ito, Yoshihiko Goto, Isami Abe, Shigeru Nakama, Takahiro Ohmura
  • Patent number: 9950963
    Abstract: A thermal insulator with both excellent heat insulation and strength and a method of manufacturing the thermal insulator are provided. A thermal insulator according to the present invention includes metal oxide fine particles with an average particle diameter equal to or smaller than 50 nm and a reinforcing fiber, wherein the thermal insulator has a bridge structure between the metal oxide fine particles which is formed by elution of part of the metal oxide fine particles. A method of manufacturing a thermal insulator according to the present invention includes a curing step of curing a dry pressed compact including metal oxide fine particles with an average particle diameter equal to or smaller than 50 nm and a reinforcing fiber under a pressurized vapor saturated atmosphere at a temperature equal to or higher than 100° C. for four hours and a drying step of drying the cured dry pressed compact.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: April 24, 2018
    Assignee: NICHIAS CORPORATION
    Inventors: Akifumi Sakamoto, Yoshihiko Goto, Yasuo Ito, Ken Maeda
  • Patent number: 9903449
    Abstract: Provided is a toroidal continuously variable transmission capable of preventing the application of bending stress to a variator shaft during rotation and the application of an eccentric load to each of support parts even when misalignment between the axis of a fitting hole formed in a post and the axis on which the variator shaft is supported occurs. A thrust bearing 12 which determines the position of an output side disc 10 in an axial direction and rotatably supports the output side disc 10 is fitted into a fitting hole 62b provided in a post 61, and a predetermined gap S is provided between the thrust bearing 12 and the fitting hole 62b in a direction perpendicular to the variator shaft 3.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: February 27, 2018
    Assignee: NSK LTD.
    Inventors: Yasuo Ito, Hiroki Nishii
  • Patent number: 9866067
    Abstract: An electric power transmission system can include: a power transmission antenna that constitutes a series resonator with an inductance component of L1 and a capacitance component of C1, and to which AC power is input; a power receiving antenna that constitutes a series resonator with an inductance component of L2 and a capacitance component of C2, and which receives electromagnetic energy from the power transmission antenna via electromagnetic fields; a rectifying unit that rectifies an output of the power receiving antenna to output DC power; and a load to which an output of the rectifying unit is input, wherein, at times including when a coupling coefficient between the power transmission antenna and the power receiving antenna is k, if a load resistance value is R, the following relationships are established: L 1 ? C 1 = L 2 ? C 2 ; L 1 C 1 > L 2 C 2 ; and ? ? k ? L 2 C 2 ? R .
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: January 9, 2018
    Assignee: EQUOS RESEARCH CO., LTD.
    Inventors: Hiroyuki Yamakawa, Yasuo Ito, Kenichiro Sato
  • Patent number: 9866068
    Abstract: An electric power transmission system may include: a power transmission antenna that constitutes a series resonator with an inductance component of L1 and a capacitance component of C1, and to which AC power is input; a power receiving antenna that constitutes a series resonator with an inductance component of L2 and a capacitance component of C2, and which receives electromagnetic energy from the power transmission antenna via electromagnetic fields; a rectifying unit that rectifies an output of the power receiving antenna to output DC power; and a load to which an output of the rectifying unit is input, wherein, when a coupling coefficient between the power transmission antenna and the power receiving antenna is k, if load resistance value R is used in a range that satisfies Rmin?R?Rmax, the following relationships are established: L 1 ? C 1 = L 2 ? C 2 ? ? and ( 2 ) L 1 C 1 > L 2 C 2 ? ? and ( 6 ) R m ? ? i ? ? n ? k ? L 2 C 2
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: January 9, 2018
    Assignee: EQUOS RESEARCH CO., LTD.
    Inventors: Hiroyuki Yamakawa, Yasuo Ito, Kenichiro Sato
  • Publication number: 20170276547
    Abstract: A photoelectric conversion element is realized in which the movement direction of electrons in the element changes according to the wavelength of light to be converted. A photoelectric conversion unit includes an active layer on which light to be converted is incident, an intermediate layer that is arranged on the active layer on a side opposite to the side on which the light to be converted is incident, and a reflection layer that is arranged so as to oppose the active layer with the intermediate layer interposed therebetween. The active layer includes a plasmonic material, which is a material in which plasmon resonance occurs due to a reciprocal action with the light to be converted. The intermediate layer has both a semiconductor property and transparency with respect to the light to be converted. The reflection layer has reflectivity with respect to the light to be converted.
    Type: Application
    Filed: July 15, 2016
    Publication date: September 28, 2017
    Applicant: IMRA JAPAN KABUSHIKI KAISHA
    Inventors: Vu Chung HOANG, Koki HAYASHI, Yasuo ITO
  • Publication number: 20160305597
    Abstract: Provided is a thermal insulation having both excellent thermal insulating performance and excellent strength, and a method of producing the same. A method of producing a thermal insulation according to the present invention includes curing (S2) a dry-pressed compact, including silica fine particles each having an average particle diameter of 50 nm or less and a reinforcement fiber, at a relative humidity of 70% or more.
    Type: Application
    Filed: June 24, 2016
    Publication date: October 20, 2016
    Applicant: NICHIAS CORPORATION
    Inventors: Yasuo ITO, Yoshihiko GOTO, Isami ABE, Shigeru NAKAMA, Takahiro OHMURA
  • Publication number: 20160244371
    Abstract: A thermal insulator with both excellent heat insulation and strength and a method of manufacturing the thermal insulator are provided. A thermal insulator according to the present invention includes metal oxide fine particles with an average particle diameter equal to or smaller than 50 nm and a reinforcing fiber, wherein the thermal insulator has a bridge structure between the metal oxide fine particles which is formed by elution of part of the metal oxide fine particles. A method of manufacturing a thermal insulator according to the present invention includes a curing step of curing a dry pressed compact including metal oxide fine particles with an average particle diameter equal to or smaller than 50 nm and a reinforcing fiber under a pressurized vapor saturated atmosphere at a temperature equal to or higher than 100° C. for four hours and a drying step of drying the cured dry pressed compact.
    Type: Application
    Filed: April 29, 2016
    Publication date: August 25, 2016
    Applicant: NICHIAS CORPORATION
    Inventors: Akifumi SAKAMOTO, Yoshihiko GOTO, Yasuo ITO, Ken MAEDA
  • Patent number: 9270138
    Abstract: A power transmission system for transmitting electrical energy from a transmission antenna to a reception antenna via an electromagnetic field, including: an inverter for converting DC voltage into AC voltage having a prescribed frequency and outputting the AC voltage; a transmission-side control unit for performing a control for keeping the drive frequency of the inverter at a prescribed frequency, controlling the voltage of the DC voltage inputted into the inverter, and controlling to keep the power value outputted from the inverter constant; a transmission antenna into which the inverter inputs the AC voltage; a rectifier for rectifying the output from the reception antenna into DC voltage; a step-up/step-down unit for stepping up or down and then outputting the DC voltage from the rectifier; a battery charged by the output from the step-up/step-down unit; and a reception-side control unit for controlling the step-up/step-down unit and charging the battery most efficiently.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: February 23, 2016
    Assignee: EQUOS RESEARCH CO., LTD.
    Inventors: Hiroyuki Yamakawa, Yasuo Ito, Koki Hayashi
  • Publication number: 20160025194
    Abstract: Provided is a toroidal continuously variable transmission capable of preventing the application of bending stress to a variator shaft during rotation and the application of an eccentric load to each of support parts even when misalignment between the axis of a fitting hole formed in a post and the axis on which the variator shaft is supported occurs. A thrust bearing 12 which determines the position of an output side disc 10 in an axial direction and rotatably supports the output side disc 10 is fitted into a fitting hole 62b provided in a post 61, and a predetermined gap S is provided between the thrust bearing 12 and the fitting hole 62b in a direction perpendicular to the variator shaft 3.
    Type: Application
    Filed: February 7, 2014
    Publication date: January 28, 2016
    Applicant: NSK LTD.
    Inventors: Yasuo ITO, Hiroki NISHII
  • Publication number: 20150180285
    Abstract: An electric power transmission system can include: a power transmission antenna that constitutes a series resonator with an inductance component of L1 and a capacitance component of C1, and to which AC power is input; a power receiving antenna that constitutes a series resonator with an inductance component of L2 and a capacitance component of C2, and which receives electromagnetic energy from the power transmission antenna via electromagnetic fields; a rectifying unit that rectifies an output of the power receiving antenna to output DC power; and a load to which an output of the rectifying unit is input, wherein, at times including when a coupling coefficient between the power transmission antenna and the power receiving antenna is k, if a load resistance value is R, the following relationships are established: L 1 ? C 1 = L 2 ? C 2 ; L 1 C 1 > L 2 C 2 ; and ? ? k ? L 2 C 2 ? R .
    Type: Application
    Filed: August 30, 2013
    Publication date: June 25, 2015
    Applicant: EQUOS RESEARCH CO., LTD.
    Inventors: Hiroyuki Yamakawa, Yasuo Ito, Kenichiro Sato
  • Publication number: 20150123485
    Abstract: An electric power transmission system may include: a power transmission antenna that constitutes a series resonator with an inductance component of L1 and a capacitance component of C1, and to which AC power is input; a power receiving antenna that constitutes a series resonator with an inductance component of L2 and a capacitance component of C2, and which receives electromagnetic energy from the power transmission antenna via electromagnetic fields; a rectifying unit that rectifies an output of the power receiving antenna to output DC power; and a load to which an output of the rectifying unit is input, wherein, when a coupling coefficient between the power transmission antenna and the power receiving antenna is k, if load resistance value R is used in a range that satisfies Rmin?R?Rmax, the following relationships are established: L 1 ? C 1 = L 2 ? C 2 ? ? and ( 2 ) L 1 C 1 > L 2 C 2 ? ? and ( 6 ) R m ? ? i ? ? n ? k ? L 2 C 2
    Type: Application
    Filed: August 30, 2013
    Publication date: May 7, 2015
    Applicant: Equos Research Co., Ltd.
    Inventors: Hiroyuki Yamakawa, Yasuo Ito, Kenichiro Sato
  • Publication number: 20150061580
    Abstract: A power transmission system for transmitting electrical energy from a transmission antenna to a reception antenna via an electromagnetic field, including: an inverter for converting DC voltage into AC voltage having a prescribed frequency and outputting the AC voltage; a transmission-side control unit for performing a control for keeping the drive frequency of the inverter at a prescribed frequency, controlling the voltage of the DC voltage inputted into the inverter, and controlling to keep the power value outputted from the inverter constant; a transmission antenna into which the inverter inputs the AC voltage; a rectifier for rectifying the output from the reception antenna into DC voltage; a step-up/step-down unit for stepping up or down and then outputting the DC voltage from the rectifier; a battery charged by the output from the step-up/step-down unit; and a reception-side control unit for controlling the step-up/step-down unit and charging the battery most efficiently.
    Type: Application
    Filed: February 27, 2013
    Publication date: March 5, 2015
    Inventors: Hiroyuki Yamakawa, Yasuo Ito, Koki Hayashi
  • Publication number: 20150054456
    Abstract: An electric power transmission system for curbing reduction in power transmission transmits energy via an electromagnetic field from a power transmission antenna to a power receiving antenna including: an inverter converting DC to AC voltage of a predetermined frequency to output; a power transmission-side control unit controls a drive frequency of the inverter and DC voltage input to the inverter; controlling a power value output from the inverter kept at constant level; the power transmission antenna to which AC voltage is input from the inverter; a rectifying unit rectifies output of the power receiving antenna obtaining DC voltage, and outputs DC voltage; a step-up and step-down unit steps up or down DC voltage output from the rectifying to output; a battery is charged with output of step-up and step-down unit; and a power receiving-side control unit controls the step-up and step-down unit to charge the battery with maximum power value.
    Type: Application
    Filed: February 27, 2013
    Publication date: February 26, 2015
    Inventors: Hiroyuki Yamakawa, Yasuo Ito, Koki Hayashi
  • Publication number: 20150048688
    Abstract: An electric power transmission system that properly recognizes, from a coupling coefficient, a positional change between a power transmission antenna and a power receiving antenna and can efficiently transmit electric power. The electric power transmission system includes: an inverter unit that converts DC voltage to AC voltage of predetermined frequency to output; power transmission antenna to which AC voltage is input from the inverter unit; power transmission control unit that controls a voltage value of DC voltage input to the inverter unit, and a frequency of AC voltage output by the inverter unit; and a power receiving antenna that faces the power transmission antenna and is for transmission of electric energy from the power transmission antenna via electromagnetic fields, and current flowing through the inverter unit, wherein, based on current flowing through the inverter unit, a coupling coefficient between the power transmission antenna and the power receiving antenna is calculated.
    Type: Application
    Filed: December 26, 2012
    Publication date: February 19, 2015
    Inventors: Hiroyuki Yamakawa, Yasuo Ito
  • Publication number: 20140239728
    Abstract: Provided is a power transmission system that can determine an optimal frequency for power transmission, and transmit power efficiently. The power transmission system of the present invention includes: an inverter unit 130 that converts a DC voltage into an AC voltage of a predetermined frequency to output; a power-transmission antenna 140 into which the AC voltage is input from the inverter unit 130; and a power-transmission control unit 150 that controls a frequency of an AC voltage output by the inverter unit 130, with electric energy being transmitted via an electromagnetic field from the power-transmission antenna 140 to a power-reception antenna that faces the power-transmission antenna 140, wherein the power-transmission control unit 150 controls in such a way as to select a frequency at which an antenna unit works as a constant voltage source when seen from a load side, to transmit power.
    Type: Application
    Filed: March 27, 2012
    Publication date: August 28, 2014
    Applicant: EQUOS RESEARCH CO., LTD.
    Inventors: Hiroyuki Yamakawa, Yasuo Ito
  • Publication number: 20140015340
    Abstract: A power transmission system includes: a switching element that converts a DC voltage into an AC voltage of a predetermined frequency to output; a power-transmission antenna unit into which the output AC voltage is input; a current detection unit that detects current flowing through the power-transmission antenna unit; a peak hold unit that acquires a peak value of current detected by the current detection unit; a timer unit that measures a timer value of a difference in time between when the switching element is turned ON and when a zero current is detected by the current detection unit; a frequency determination unit that determines the frequency based on the peak value acquired by the peak hold unit and the timer value measured by the timer unit; and a control unit that drives, based on the frequency determined by the frequency determination unit, the switching element to transmit power.
    Type: Application
    Filed: March 27, 2012
    Publication date: January 16, 2014
    Applicant: EQUOS RESEARCH CO., LTD.
    Inventors: Yasuo Ito, Hiroyuki Yamakawa
  • Patent number: 8591780
    Abstract: Provided is a thermal insulation having both excellent thermal insulating performance and excellent strength, and a method of producing the same. A method of producing a thermal insulation according to the present invention includes curing (S2) a dry-pressed compact including silica fine particles each having an average particle diameter of 50 nm or less and an alkaline-earth silicate fiber at a relative humidity of 70% or more.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: November 26, 2013
    Assignee: Nichias Corporation
    Inventors: Yasuo Ito, Yoshihiko Goto, Isami Abe, Shigeru Nakama, Takahiro Ohmura