Patents by Inventor Masahito Nakamura

Masahito Nakamura 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: 20210212607
    Abstract: A light source unit emits beam light of a wavelength that is absorbed by glucose. A light application control unit gives multiple-application of the beam light emitted by the light source unit to a site of measurement. A detection unit detects each of a plurality of photoacoustic signals that are generated at the site of measurement due to the multiple-application of the beam light by the light application control unit. A processing unit averages the plurality of photoacoustic signals detected by the detection unit.
    Type: Application
    Filed: April 19, 2019
    Publication date: July 15, 2021
    Inventors: Yujiro Tanaka, Masahito Nakamura, Daichi Matsunaga, Michiko Seyama
  • Publication number: 20210212609
    Abstract: A component concentration measurement device includes a light application unit that applies beam light of a wavelength that is absorbed by glucose to a site of measurement, and a detection unit that detects a photoacoustic signal which is generated at the site of measurement where the beam light emitted from the light application unit has been applied. The component concentration measurement device also includes a thickness measurement unit that measures a thickness of the site of measurement, and a correction unit that corrects an acoustic signal detected by the detection unit with the thickness measured by the thickness measurement unit.
    Type: Application
    Filed: May 24, 2019
    Publication date: July 15, 2021
    Inventors: Masahito Nakamura, Yujiro Tanaka, Michiko Seyama, Katsuhiro Ajito, Daichi Matsunaga
  • Publication number: 20210177267
    Abstract: A component concentration measurement device includes a light application unit that applies pulsed beam light of a wavelength that is absorbed by a target substance for measurement to a site of measurement, and a detection unit that detects a photoacoustic signal generated in the site of measurement where the beam light emitted from the light application unit has been applied. The light application unit applies the pulsed beam light with a pulse width at which a photoacoustic wave that occurs at a rising edge of a light pulse and a photoacoustic wave that occurs at a falling edge of the light pulse do not interfere with each other.
    Type: Application
    Filed: April 19, 2019
    Publication date: June 17, 2021
    Inventors: Yujiro Tanaka, Masahito Nakamura, Daichi Matsunaga, Michiko Seyama
  • Publication number: 20210177310
    Abstract: A component concentration measuring apparatus includes: a dielectric spectroscopy portion that irradiates a measurement subject with electromagnetic waves and measures a complex permittivity, thereby acquiring a dielectric spectroscopy spectrum; a temperature measurement portion that measures a temperature of the measurement subject; a signal processing portion that corrects the dielectric spectroscopy spectrum according to the temperature measured by the temperature measurement portion; and a calculating portion that applies a calibration model generated in advance from a dielectric spectroscopy spectrum of a sample whose component concentration is known, to the dielectric spectroscopy spectrum corrected by the signal processing portion, thereby calculating a component concentration of the measurement subject.
    Type: Application
    Filed: April 11, 2019
    Publication date: June 17, 2021
    Applicant: Nippon Telegraph and Telephone Corporation
    Inventors: Masahito Nakamura, Takuro Tajima, Michiko Seyama
  • Publication number: 20210161419
    Abstract: A component concentration measuring apparatus includes: a dielectric spectroscopy portion that irradiates a measurement subject with electromagnetic waves, thereby acquiring a complex permittivity spectrum; a signal processing portion that standardizes an imaginary part or an imaginary part spectrum of a complex permittivity at a frequency other than a frequency of an isosbestic point of the measurement subject, using an imaginary part of a complex permittivity at the frequency of the isosbestic point, out of the complex permittivity spectrum; and a calculating portion that applies a calibration model generated in advance from an imaginary part or an imaginary part spectrum of a complex permittivity of a sample whose component concentration is known, to the imaginary part or the imaginary part spectrum of the complex permittivity standardized by the signal processing portion, thereby calculating a component concentration of the measurement subject.
    Type: Application
    Filed: April 12, 2019
    Publication date: June 3, 2021
    Inventors: Masahito Nakamura, Takuro Tajima, Michiko Seyama
  • Publication number: 20210121105
    Abstract: A light irradiation unit configured to irradiate a measurement part with a light beam that has a wavelength absorbed by glucose and a detection unit configured to detect a photoacoustic signal generated from the measurement part irradiated with the light beam emitted from the light irradiation unit are included. The light irradiation unit irradiates the measurement part by scanning the light beam 2-dimensionally. The measurement part is irradiated with the light beam through raster scanning. For example, the light beam has a beam diameter of about 100 ?m and is scanned at a scanning speed of about 100 ?m/10 ms.
    Type: Application
    Filed: April 5, 2019
    Publication date: April 29, 2021
    Inventors: Katsuhiro Ajito, Michiko Seyama, Daichi Matsunaga, Masahito Nakamura, Yujiro Tanaka
  • Patent number: 9980403
    Abstract: A case with connector includes a connector; a case body that has a cylindrical side wall portion and an end wall portion closing one end side of the side wall portion and forming an accommodation portion along with the side wall portion, the case body being formed by insert molding and integrated with the connector at the side wall portion; and an electrical wire that has an end connected to the connector and the other end projecting to the accommodation portion.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: May 22, 2018
    Assignee: YAZAKI CORPORATION
    Inventors: Hideki Adachi, Minoru Hasegawa, Masahito Nakamura
  • Publication number: 20170257963
    Abstract: A case with connector includes a connector; a case body that has a cylindrical side wall portion and an end wall portion closing one end side of the side wall portion and forming an accommodation portion along with the side wall portion, the case body being formed by insert molding and integrated with the connector at the side wall portion; and an electrical wire that has an end connected to the connector and the other end projecting to the accommodation portion.
    Type: Application
    Filed: March 2, 2017
    Publication date: September 7, 2017
    Inventors: Hideki Adachi, Minoru Hasegawa, Masahito Nakamura
  • Patent number: 8509689
    Abstract: A communication device for communicating with an external device using a human body as a signal transmission path, includes an electric field strength measuring unit configured to measure a noise level from a detected received electric field strength at the time of no signal after the received electric field strength is detected by the communication device when a transmission signal to be output to the external device is absent, a transmission output determination unit configured to determine an output level of the transmission signal to be transmitted to the external device on the basis of the measured noise level, and an output execution unit configured to output a transmission signal of the determined output level to the external device.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: August 13, 2013
    Assignee: Alps Electric Co., Ltd.
    Inventors: Masahito Nakamura, Daichi Inoue
  • Patent number: 8180288
    Abstract: A communication system according to the present invention includes a transmitter for applying a transmission signal to a human body as an electric field, and a receiver for receiving the transmission signal by detecting the electric field via the human body. The receiver includes a reception electrode which faces the human body, a resonance circuit formed of a resonance inductor and a resonance capacitor, and a coupling capacitor for capacitively coupling the reception electrode and the resonance circuit.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: May 15, 2012
    Assignee: Alps Electric Co., Ltd.
    Inventors: Hiroyuki Hebiguchi, Masahito Nakamura, Yoshiharu Saito, Daichi Inoue
  • Publication number: 20110021148
    Abstract: A communication device for communicating with an external device using a human body as a signal transmission path, includes an electric field strength measuring unit configured to measure a noise level from a detected received electric field strength at the time of no signal after the received electric field strength is detected by the communication device when a transmission signal to be output to the external device is absent, a transmission output determination unit configured to determine an output level of the transmission signal to be transmitted to the external device on the basis of the measured noise level, and an output execution unit configured to output a transmission signal of the determined output level to the external device.
    Type: Application
    Filed: July 22, 2010
    Publication date: January 27, 2011
    Inventors: Masahito Nakamura, Daichi Inoue
  • Publication number: 20110021141
    Abstract: Provided is an electronic device for electric-field communication which is not easily affected by static electricity when electrostatically charged and is capable of maintaining sufficient performance. The electronic device for electric-field communication of the invention is an electronic device used as a transmitter 1 or a receiver 3 in a system of performing electric field communication through a human body 2, the electronic device has at least human body side electrodes 11 and 31 and outside electrodes 12 and 32, and impedance between the human body side electrodes 11 and 31 and the outside electrodes 12 and 32 is substantially the maximum at a frequency f0 used in the electric field communication.
    Type: Application
    Filed: September 30, 2010
    Publication date: January 27, 2011
    Inventors: Hiroyuki Hebiguchi, Masahito Nakamura, Makoto Sasaki, Daichi Inoue
  • Publication number: 20100003917
    Abstract: A communication system according to the present invention includes a transmitter for applying a transmission signal to a human body as an electric field, and a receiver for receiving the transmission signal by detecting the electric field via the human body. The receiver includes a reception electrode which faces the human body, a resonance circuit formed of a resonance inductor and a resonance capacitor, and a coupling capacitor for capacitively coupling the reception electrode and the resonance circuit.
    Type: Application
    Filed: September 14, 2009
    Publication date: January 7, 2010
    Applicant: ALPS ELECTRIC CO., LTD.
    Inventors: Hiroyuki HEBIGUCHI, Masahito NAKAMURA, Yoshiharu SAITO, Daichi INOUE
  • Publication number: 20080105936
    Abstract: [Object] An object of the present invention is to provide a surface pressure distribution sensor capable of maintaining high reliability of lines in a configuration having a folded portion, precisely and stably detecting a surface pressure distribution, and being manufactured with a simple configuration and at low cost.
    Type: Application
    Filed: December 26, 2007
    Publication date: May 8, 2008
    Applicant: ALPS ELECTRIC CO., LTD.
    Inventor: Masahito NAKAMURA
  • Publication number: 20060119369
    Abstract: The electrostatic capacity detecting sensor includes first electrodes which extend from column wiring lines, second electrodes which extend from row wiring lines and are formed on a layer different from that of the first electrodes, a third electrode which is electrically independent from the first electrode and the second electrode through an insulating film, a first electrostatic capacity region C1 formed between the first electrodes and the third electrode, and a second electrostatic capacity region C2 formed between the second electrodes and the third electrode.
    Type: Application
    Filed: October 27, 2005
    Publication date: June 8, 2006
    Inventors: Ken Kawahata, Masahito Nakamura
  • Patent number: 6899741
    Abstract: A fuel evaporator composed of an evaporation chamber which evaporates a raw liquid fuel by a high temperature thermal medium to provide a raw fuel gas is disclosed. The evaporation chamber comprises a plurality of evaporation chambers serially connected to each other in a ventilation manner, and at least one raw liquid fuel injector for injecting the raw liquid fuel being provided on each of said plurality of evaporation chambers.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: May 31, 2005
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Masahito Nakamura, Naoyuki Abe, Kiyoshi Kasahara, Takahiro Tachihara
  • Patent number: 6627342
    Abstract: A fuel evaporator 1 is provided in a fuel cell system FCS having an evaporating chamber that evaporates liquid fuel into fuel gas by heat medium gas. The fuel evaporator is provided with a liquid fuel injection apparatus 40 that injects liquid fuel into the evaporating chamber and an injection volume adjusting apparatus 42 that adjusts the injection volume of the liquid fuel injection apparatus. The injection volume adjusting apparatus 42 includes an injection volume adjusting portion that sets the fuel injection volume according to an injection volume target setting signal.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: September 30, 2003
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Masahito Nakamura, Takahiro Tachihara, Kouji Miyano
  • Patent number: 6617067
    Abstract: In a fuel evaporator provided with an evaporation chamber 11 that produces raw fuel gas FG by vaporizing raw fuel liquid by heat received from a plurality of heat medium tubes 12 through which a high temperature heat medium passes, a raw fuel injection portion that injects raw fuel liquid onto the heat medium tubes 12 is situated in the evaporation chamber 11. The heat medium tubes 12 are arranged sparsely near the raw fuel injection portion and densely away from it. A catalytic combustor 20 is provided adjacent to the bottom surface 11b of the evaporation chamber 11 to form the high temperature heat medium. Such a fuel evaporator efficiently vaporizes raw fuel liquid and can be suitably applied in a fuel cell system for a fuel cell-powered automobile.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: September 9, 2003
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Takahiro Tachihara, Naoyuki Abe, Yuuji Asano, Kiyoshi Kasahara, Shiyuuichi Togasawa, Masahito Nakamura, Kouji Miyano
  • Patent number: 6550532
    Abstract: A fuel evaporator (1) includes an evaporation chamber (11) to prepare a fuel gas FG by evaporating a liquid fuel FL with heat, a fuel injector (40) to supply a liquid fuel to the evaporation chamber, a plurality of heating medium tubes (12) to lead a combustion gas HG through said evaporation chamber, a superheating part (11U) to heat a fuel gas FG evaporated in said evaporation chamber by means of the combustion gas HG, an exhaust duct (22) to exhaust the fuel gas FG, and a fuel injection tube (41). The fuel injection tube is provided with a plurality of injection holes (42), said fuel injection tube being extended into said evaporation chamber and said fuel injection tube is provided crossing at right angle with respect to a heating medium tube. Injection property of the fuel injection tube in said evaporation chamber is greatly improved. The liquid fuel is evaporated effectively and rapidly.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: April 22, 2003
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Masahito Nakamura, Yuuji Asano, Shiyuuichi Togasawa
  • Patent number: 6531102
    Abstract: A fuel reforming apparatus is provided for generating a hydrogen-rich gas. The fuel reforming apparatus includes an evaporator comprising an evaporation chamber for evaporating the fuel vapor by evaporating a hydrocarbon fuel-water mixture by an evaporator using a combustion gas formed in a combustor; a heating chamber for heating the fuel vapor by a combustion gas output from the evaporation chamber; and a guiding path for guiding the combustion gas output from the evaporation chamber to the heating chamber along the floor of the evaporating room. In the heating chamber, the fuel vapor generated in the evaporation chamber is uniformly heated in an atmosphere with a homogeneous temperature of the combustion gas output from a heating medium tube, while the fuel vapor is circulating in the vapor tube.
    Type: Grant
    Filed: April 27, 2000
    Date of Patent: March 11, 2003
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Masahito Nakamura, Naoyuki Abe, Kiyoshi Kasahara, Shuichi Togasawa, Yuji Asano