Patents by Inventor Yukihiro Takahashi

Yukihiro 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: 20210292582
    Abstract: Provided is an ink including: a pigment-containing matter containing a pigment; an organic solvent; water; and a compound represented by General Formula (1) below. A difference (Ra?R0) is 2.0 or less, where Ra is a distance between a Hansen solubility parameter of the organic solvent and a Hansen solubility parameter of the pigment-containing matter determined by a Hansen solubility sphere method, and R0 is an interaction radius of the pigment-containing matter determined by the Hansen solubility sphere method. In the General Formula (1), R1, R2, R3, and R4 each independently represent a hydrogen atom or an alkyl group having 1 or more but 5 or less carbon atoms, and n represents an integer of 3 or more but 11 or less.
    Type: Application
    Filed: March 10, 2021
    Publication date: September 23, 2021
    Inventors: Atsufumi HANAZAWA, Yuuki YOKOHAMA, Takashi TAMAI, Yukihiro IMANAGA, Kento SUGITA, Azumi MIYAAKE, Sayuri KOJIMA, Toru YOSHIKAWA, Koichiro OYAMA, Satoshi TAKAHASHI, Mizuki KUROHA
  • Publication number: 20210114748
    Abstract: A spectral camera control device, being installed, along with a spectral camera provided with a liquid crystal tunable filter, in an aircraft capable of stationary flight. The spectral camera control device causes the spectral camera to capture a spectral image in a snapshot mode each time a transmission wavelength of the liquid crystal tunable filter is switched while the aircraft is in stationary flight, and the spectral camera control device causes a plurality of spectral images to be captured in succession at a same transmission wavelength when an SN ratio of the captured spectral image is less than a predetermined threshold.
    Type: Application
    Filed: November 20, 2020
    Publication date: April 22, 2021
    Inventors: Yukihiro TAKAHASHI, Junichi KURIHARA, Tetsuro ISHIDA
  • Publication number: 20210072084
    Abstract: A spectral image capturing method using a spectral camera control device installed in aircraft, the method comprising: a) setting an exposure time of the spectral camera so that a current exposure time is determined (S2), b) determining whether or not either an amount of attitude change or an amount of position change of the spectral camera per exposure time exceeds a predetermined threshold based on a spatial resolution of the spectral camera (S4), c1) when exceeding the predetermined threshold, resetting the current exposure time to be shorter (S5), c2) when not exceeding the predetermined threshold, not resetting the current exposure time to be shorter, and d) capturing a spectral image in a snapshot mode with the spectral camera using the reset exposure time, wherein when the transmission wavelength of the liquid crystal tunable filter is switched while the aircraft is in a stationary flight, steps b) to d) are repeated.
    Type: Application
    Filed: November 20, 2020
    Publication date: March 11, 2021
    Inventors: Yukihiro TAKAHASHI, Junichi KURIHARA, Tetsuro ISHIDA
  • Patent number: 10864998
    Abstract: [Problem] To provide a spectral camera control device, a spectral camera control program, a spectral camera control system, an aircraft equipped with said system, and a spectral image capturing method, with which it is possible for each of a spatial resolution and an exposure time for spectral image capture to be set arbitrarily, and with which spatial distortion and displacement of the spectral image can be suppressed. [Solution] This spectral camera control device is installed together with a spectral camera 3 provided with a liquid crystal tunable filter 33 in an aircraft 1 capable of stationary flight, and causes the spectral camera 3 to capture an image in a snapshot mode each time the transmission wavelength of the liquid crystal tunable filter 33 is switched while the aircraft 1 is in stationary flight.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: December 15, 2020
    Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yukihiro Takahashi, Junichi Kurihara, Tetsuro Ishida
  • Publication number: 20200319024
    Abstract: An object state detection and transmission system includes a spectroscope that measures a reflectance spectrum based on reflected light reflected by a target object, a spectroscopic terminal apparatus integrally provided with an electronic device, the spectroscopic terminal apparatus receiving a measured reflection spectrum; and a server apparatus connected to the spectroscopic terminal device via a communication line. The electronic device includes photographing means that photographs a target object to capture a photographed image; GPS means that measures a position of the target object; sensor means that measures azimuth and angle of the target object; clock means that clocks current time of the photographing and measurement; and communication means that transmits the photographed image, the position of the target object, the azimuth and angle of the target object, and the photographing and measurement time together with the received reflection spectrum to the server apparatus.
    Type: Application
    Filed: August 21, 2017
    Publication date: October 8, 2020
    Inventors: Yukihiro TAKAHASHI, Nobuyasu NARUSE
  • Publication number: 20190118970
    Abstract: [Problem] To provide a spectral camera control device, a spectral camera control program, a spectral camera control system, an aircraft equipped with said system, and a spectral image capturing method, with which it is possible for each of a spatial resolution and an exposure time for spectral image capture to be set arbitrarily, and with which spatial distortion and displacement of the spectral image can be suppressed. [Solution] This spectral camera control device is installed together with a spectral camera 3 provided with a liquid crystal tunable filter 33 in an aircraft 1 capable of stationary flight, and causes the spectral camera 3 to capture an image in a snapshot mode each time the transmission wavelength of the liquid crystal tunable filter 33 is switched while the aircraft 1 is in stationary flight.
    Type: Application
    Filed: March 22, 2017
    Publication date: April 25, 2019
    Inventors: Yukihiro TAKAHASHI, Junichi KURIHARA, Tetsuro ISHIDA
  • Patent number: 10221464
    Abstract: The present invention provides a steel wire rod with stable workability. The steel wire rod has steel components containing, by mass %, C: 0.20 to 0.60%, Si: 0.15 to 0.30%, Mn: 0.25 to 0.60%, P: ?0.020%, S: ?0.010%, and a balance of Fe and unavoidable impurities, and an internal microstructure including cementite, in which by number ratio, 80% or more of the cementite in a cross-section vertical to a longitudinal direction of the wire rod has a short axis of 0.1 ?m or less and a ratio of a long axis to the short axis, defined as an aspect ratio, of 2.0 or less.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: March 5, 2019
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hiroshi Ooba, Yukihiro Takahashi, Yoshitaka Nishikawa
  • Patent number: 10022897
    Abstract: A die structure has a first die, a second die that comes in contact with and separate from the first die, a heating unit provided in at least one of the first and second dies, and a transfer member provided in at least one of the first and second dies that brings a resin sheet supplied between the first and second dies into contact with a transfer surface and carrying out transfer molding, and a recess site formed on the transfer member near the transfer surface.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: July 17, 2018
    Assignee: OMRON Corporation
    Inventors: Isao Makuta, Koichi Takemura, Tomofusa Shibata, Yoshihisa Yamanaka, Norikazu Kitamura, Masayuki Shinohara, Kazuhide Hirota, Toshikaga Taguchi, Masayuki Kojima, Yukihiro Takahashi
  • Publication number: 20170101696
    Abstract: The present invention provides a steel wire rod with stable workability. The steel wire rod has steel components containing, by mass %, C: 0.20 to 0.60%, Si: 0.15 to 0.30%, Mn: 0.25 to 0.60%, P: 0.020%, S: 0.010%, and a balance of Fe and unavoidable impurities, and an internal microstructure including cementite, in which by number ratio, 80% or more of the cementite in a cross-section vertical to a longitudinal direction of the wire rod has a short axis of 0.1 ?m or less and a ratio of a long axis to the short axis, defined as an aspect ratio, of 2.0 or less.
    Type: Application
    Filed: March 20, 2015
    Publication date: April 13, 2017
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hiroshi OOBA, Yukihiro TAKAHASHI, Yoshitaka NISHIKAWA
  • Publication number: 20160244858
    Abstract: A wire rod according to the present invention includes a predetermined chemical composition, wherein a metal structure includes 90 area % to 100 area % of bainite, wherein when eight test pieces having a length of 400 mm, which are obtained by dividing a wire rod having a length of 3200 mm into eight components having a same length, are manufactured, an average tensile strength TS of each test pieces satisfies a relation of “[TS]?810×[C]+475” by N/mm2, wherein a difference between a maximum value and a minimum value of the tensile strengths of each test pieces is 50 N/mm2 or less, and wherein an average reduction of area RA of each test pieces satisfies a relation of “[RA]??0.083×[TS]+154” by %.
    Type: Application
    Filed: October 8, 2014
    Publication date: August 25, 2016
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Tatsusei TADA, Yukihiro TAKAHASHI, Yoshitaka NISHIKAWA, Daisuke HIRAKAMI, Toshiyuki MANABE
  • Publication number: 20150293264
    Abstract: Magnetic field measurement means measures a magnetic field generated by a lightning strike in a frequency band that includes frequencies of 200 Hz or less. Electric charge calculation means determines the electric current waveform of the lightning strike on the basis of the waveform of the magnetic field measured by the magnetic field measurement means, and integrates the electric current waveform to determine an electric charge.
    Type: Application
    Filed: November 14, 2013
    Publication date: October 15, 2015
    Inventors: Noriyasu Honma, Yasuji Hongo, Yukihiro Takahashi, Mitsuteru Sato, Fuminori Tsuchiya, Daiki Tsurushima
  • Publication number: 20150251341
    Abstract: A die structure has a first die, a second die that comes in contact with and separate from the first die, a heating unit provided in at least one of the first and second dies, and a transfer member provided in at least one of the first and second dies that brings a resin sheet supplied between the first and second dies into contact with a transfer surface and carrying out transfer molding, and a recess site formed on the transfer member near the transfer surface.
    Type: Application
    Filed: February 8, 2013
    Publication date: September 10, 2015
    Applicant: OMRON CORPORATION
    Inventors: Isao Makuta, Koichi Takemura, Tomofusa Shibata, Yoshihisa Yamanaka, Norikazu Kitamura, Masayuki Shinohara, Kazuhide Hirota, Toshikaga Taguchi, Masayuki Kojima, Yukihiro Takahashi
  • Patent number: 9116264
    Abstract: A method for producing a light guide plate includes forming a light introduction part that introduces light incident through an end face, and forming a light guide plate body that has a thickness less than a maximum thickness of the light introduction part, forming the light guide plate body to be continuously joined to the light introduction part, and forming the light guide plate body so as to cause a light controller to output the incident light to an outside. The light guide plate producing method further includes a conveying step of conveying a resin sheet between a first die and a second die, which are disposed while facing each other, wherein a transfer surface is provided in at least one of surfaces facing each other in the first and second dies.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: August 25, 2015
    Assignee: OMRON Corporation
    Inventors: Isao Makuta, Koichi Takemura, Tomofusa Shibata, Yoshihisa Yamanaka, Norikazu Kitamura, Masayuki Shinohara, Kazuhide Hirota, Yoshikaga Taguchi, Masayuki Kojima, Yukihiro Takahashi
  • Patent number: 9074283
    Abstract: An ion gun system includes an ion gun for irradiating an ion beam; an electric power supply unit for supplying electric power to the ion gun; two mass flow regulators for introducing each of two types of gas in the ion gun; a control unit connected to the electric power supply unit for working as ion gun control means for controlling electric power supplied to the ion gun from the electric power supply unit; and a control unit connected to the mass flow regulators for working as mass flow control means for controlling the flow rate of gas introduced from the mass flow regulators in the ion gun. The control unit as mass flow control means is provided with a function of changing the set value for the flow rate of each of the two types of gas to another set value by changing it stepwise within a range where the ion gun is working stably. Accordingly, shortening of film formation time can be attained.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: July 7, 2015
    Assignee: HOYA CORPORATION
    Inventors: Yukihiro Takahashi, Terufumi Hamamoto, Kenichi Shinde
  • Publication number: 20140125917
    Abstract: A method for producing a light guide plate includes forming a light introduction part that introduces light incident through an end face, and forming a light guide plate body that has a thickness less than a maximum thickness of the light introduction part, forming the light guide plate body to be continuously joined to the light introduction part, and forming the light guide plate body so as to cause a light controller to output the incident light to an outside. The light guide plate producing method further includes a conveying step of conveying a resin sheet between a first die and a second die, which are disposed while facing each other, wherein a transfer surface is provided in at least one of surfaces facing each other in the first and second dies.
    Type: Application
    Filed: February 8, 2013
    Publication date: May 8, 2014
    Applicant: OMRON CORPORATION
    Inventors: Isao Makuta, Koichi Takemura, Tomofusa Shibata, Yoshihisa Yamanaka, Norikazu Kitamura, Masayuki Shinohara, Kazuhide Hirota, Yoshikaga Taguchi, Masayuki Kojima, Yukihiro Takahashi
  • Patent number: 8625050
    Abstract: A light guide plate has a light incident surface configured to be arranged facing a point light source for introducing light from the point light source, a light outputting surface that outputs the light to an outside of the light guide plate, a light introducing section for confining the light from the point light source entered from the light incident surface, and a light guide plate main body having a thickness smaller than a maximum thickness of the light introducing section and being arranged to be continuous with the light introducing section, for outputting the confined light to the outside of the light guide plate from the light outputting surface by a light outputting element.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: January 7, 2014
    Assignee: OMRON Corporation
    Inventors: Masayuki Shinohara, Yasuhiro Tanoue, Kazuhide Hirota, Koichi Takemura, Takuma Iwase, Takako Ishikawa, Yoshihiro Ueno, Morihisa Ota, Jun Kishimoto, Gouo Kurata, Yukihiro Takahashi, Hiroyuki Miyamoto
  • Patent number: 8601985
    Abstract: The invention relates to an exhaust gas cooling adapter that is arranged between an exhaust port that is open to a cylinder head of an internal combustion engine and an exhaust manifold, and that includes an exhaust gas flow path through which exhaust gas flows from the exhaust port to the exhaust manifold; and a coolant flow path that is formed inside of an adapter wall surrounding this exhaust gas flow path, and that cools the exhaust gas that flows through the exhaust gas flow path. There is a curved portion in the exhaust gas flow path. Also, a peel inhibiting portion is formed on an inner peripheral surface of the exhaust gas flow path in a region farther toward an inside of the curve than an exhaust gas flow path center line of this curved portion.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: December 10, 2013
    Assignees: Nippon Soken, Inc., Toyota Jidosha Kabushiki Kaisha
    Inventors: Yukihiro Takahashi, Yoshihisa Shinoda, Koichi Hoshi
  • Patent number: 8345184
    Abstract: A light guide plate (63) includes a light introducing section (65), which is at a position facing a point light source (62), for confining light from the point light source, and a light guide plate main body (64), which has a thickness smaller than a thickness at an end of the light introducing section on the point light source side, for outputting the confined light to an outside from a light outputting surface by light outputting means (70). The light introducing section (65) has an inclined surface (67), which is inclined from a surface of the light introducing section towards a surface of the light guide plate main body (64). The inclined surface (67) has a directivity converting pattern (68) for converting a directivity expansion in a thickness direction of the light guide plate of the light entered to the light introducing section (65) to directivity characteristics tilted towards a direction parallel to a surface direction of the light guide plate.
    Type: Grant
    Filed: June 10, 2008
    Date of Patent: January 1, 2013
    Assignee: OMRON Corporation
    Inventors: Masayuki Shinohara, Yasuhiro Tanoue, Kazuhide Hirota, Koichi Takemura, Takuma Iwase, Takako Ishikawa, Yoshihiro Ueno, Morihisa Ota, Jun Kishimoto, Gouo Kurata, Yukihiro Takahashi, Hiroyuki Miyamoto
  • Publication number: 20120199321
    Abstract: The invention relates to an exhaust gas cooling adapter that is arranged between an exhaust port that is open to a cylinder head of an internal combustion engine and an exhaust manifold, and that includes an exhaust gas flow path through which exhaust gas flows from the exhaust port to the exhaust manifold; and a coolant flow path that is formed inside of an adapter wall surrounding this exhaust gas flow path, and that cools the exhaust gas that flows through the exhaust gas flow path. There is a curved portion in the exhaust gas flow path. Also, a peel inhibiting portion is formed on an inner peripheral surface of the exhaust gas flow path in a region farther toward an inside of the curve than an exhaust gas flow path center line of this curved portion.
    Type: Application
    Filed: January 31, 2012
    Publication date: August 9, 2012
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, NIPPON SOKEN, INC.
    Inventors: Yukihiro TAKAHASHI, Yoshihisa SHINODA, Koichi HOSHI
  • Publication number: 20110117273
    Abstract: An evaporation source for supporting an organic material for vapor deposition which comprises a nonwoven fabric constituted with a fiber comprising silicon oxide, wherein thermal conductivity of the nonwoven fabric is 0.01 to 1.0 Wm?1K?1, a process for producing an optical member comprising heating the evaporation source to vapor deposit the organic material for vapor deposition on the surface of an optical member, and an optical member produced in accordance with the process. A material for vapor deposition can be vapor deposited stably with small change in the temperature, a vapor deposited film having uniform thickness and concentration can be formed, and an optical member exhibiting excellent performance of the vapor deposited film can be produced at a small cost.
    Type: Application
    Filed: August 21, 2008
    Publication date: May 19, 2011
    Applicant: HOYA CORPORATION
    Inventors: Takeshi MitsuishiI, Yukihiro Takahashi