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).
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Publication number: 20240288053Abstract: A continuously variable transmission includes, in a case: a drive pulley and a driven pulley each including a fixed-side pulley half and a movable-side pulley half configured to move to the fixed-side pulley half; a belt including a plurality of elements and a plurality of rings wound around the drive pulley and the driven pulley; a parking gear provided to the fixed-side pulley half of the driven pulley; and a parking pawl configured to be fitted to the parking gear, the continuously variable transmission transmitting a driving force to a wheel while changing a transmission ratio by changing groove widths of the drive pulley and the driven pulley, wherein the case includes an annular rib integrally molded with the case in a manner surrounding an outer periphery of the parking gear except for a position intersecting a swing trajectory of the parking pawl and a predetermined position.Type: ApplicationFiled: February 22, 2024Publication date: August 29, 2024Applicant: HONDA MOTOR CO., LTD.Inventors: Shuhei KOBAYASHI, Jun Takahashi, Takahiro Hatano, Yukihiro Hayakawa, Tokuma Kaiho, Masao Takiguchi, Koichiro Inukai, Junpei Kaneta
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Publication number: 20240288052Abstract: A continuously variable transmission includes, in a case: a drive pulley and a driven pulley each including a fixed-side pulley half and a movable-side pulley half configured to move axially relative to the fixed-side pulley half; a belt including a plurality of elements and a plurality of rings wound around the drive pulley and the driven pulley; a parking gear provided to the fixed-side pulley half of the driven pulley; a parking pawl configured to be fitted to the parking gear; a parking rod configured to swing the parking pawl; and a guide member configured to guide the parking rod, the continuously variable transmission transmitting a driving force a wheel while changing a transmission ratio by changing groove widths of the drive pulley and the driven pulley, wherein the case includes an auxiliary rib having a gap from the drive pulley equal to or smaller than a predetermined width.Type: ApplicationFiled: February 28, 2024Publication date: August 29, 2024Applicant: Honda Motor Co., Ltd.Inventors: Shuhei KOBAYASHI, Koichiro INUKAI, Yukihiro HAYAKAWA, Junpei KANETA, Jun TAKAHASHI, Masao TAKIGUCHI, Takahiro HATANO, Tokuma KAIHO
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Patent number: 11768152Abstract: An information processing system includes a storage, an interface device, and a computing circuit. The storage stores a database, in which spectrum data concerning light from a light source and a measurement condition data at a time of measurement of the light are associated with a plant status data concerning growth of a plant and/or a harvest data concerning a harvest of the plant. The interface device receives an input of a user measurement condition which is to be applied at a time of measurement of the plant by a user and which includes data concerning angles at the time of measurement and data concerning a plant status and/or a harvest to be predicted. The computing circuit determines at least two wavelengths contained in the light from the light source to be measured under the user measurement condition by referring to the database based on the user measurement condition.Type: GrantFiled: March 3, 2022Date of Patent: September 26, 2023Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Yukihiro Takahashi, Tatsuharu Ono, Nobuyasu Naruse, Yurino Ishida
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Patent number: 11768109Abstract: The spectroscopic measuring instrument includes: a spectrometer to make measurement of a reflection spectrum of an object relative to a light source and output measurement information representing a result of the measurement; a shadow projector including obstacle(s) to allow light from the light source to cast shadow(s) on an object surface; an imaging device to output image information representing an image of an imaging area including the object surface; a storage interface removably connectable to a computer readable medium; and a processing device. The processing device is connected to the spectrometer, the imaging device and the storage interface, and performs a measurement process of storing the measurement information from the spectrometer and the image information from the imaging device in the computer readable medium connected to the storage interface.Type: GrantFiled: March 2, 2022Date of Patent: September 26, 2023Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Yukihiro Takahashi, Youhei Moteki, Nobuyasu Naruse
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Publication number: 20230251185Abstract: An information processing system includes a storage, an interface device, and a computing circuit. The storage stores a database, in which spectrum data concerning light from a light source and a measurement condition data at a time of measurement of the light are associated with a plant status data concerning growth of a plant and/or a harvest data concerning a harvest of the plant. The interface device receives an input of a user measurement condition which is to be applied at a time of measurement of the plant by a user and which includes data concerning angles at the time of measurement and data concerning a plant status and/or a harvest to be predicted. The computing circuit determines at least two wavelengths contained in the light from the light source to be measured under the user measurement condition by referring to the database based on the user measurement condition.Type: ApplicationFiled: March 3, 2022Publication date: August 10, 2023Inventors: Yukihiro TAKAHASHI, Tatsuharu ONO, Nobuyasu NARUSE, Yurino ISHIDA
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Publication number: 20230251129Abstract: The spectroscopic measuring instrument includes: a spectrometer to make measurement of a reflection spectrum of an object relative to a light source and output measurement information representing a result of the measurement; a shadow projector including obstacle(s) to allow light from the light source to cast shadow(s) on an object surface; an imaging device to output image information representing an image of an imaging area including the object surface; a storage interface removably connectable to a computer readable medium; and a processing device. The processing device is connected to the spectrometer, the imaging device and the storage interface, and performs a measurement process of storing the measurement information from the spectrometer and the image information from the imaging device in the computer readable medium connected to the storage interface.Type: ApplicationFiled: March 2, 2022Publication date: August 10, 2023Inventors: Yukihiro TAKAHASHI, Youhei MOTEKI, Nobuyasu NARUSE
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Patent number: 11573124Abstract: 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: GrantFiled: November 20, 2020Date of Patent: February 7, 2023Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Yukihiro Takahashi, Junichi Kurihara, Tetsuro Ishida
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Patent number: 11542035Abstract: 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: GrantFiled: November 20, 2020Date of Patent: January 3, 2023Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Yukihiro Takahashi, Junichi Kurihara, Tetsuro Ishida
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Publication number: 20220282966Abstract: A thickness measurement device is provided for measuring a thickness of a first layer of an entire plant leaf including the first layer and a second layer, the first layer having an incident surface and an opposing surface opposing the incident surface, the second layer being in contact with the opposing surface of the first layer. The thickness measurement device includes: a light source that causes light of a predetermined wavelength ? to enter the incident surface as an incident light from an air layer at a predetermined incident angle ?i; a spectroscopic camera that receives a combined reflected light obtained by combining first and second reflected lights, and acquires a two-dimensional image including a light intensity of an S-polarized light component perpendicular to the incident surface among the combined reflected light; and a controller that calculates the thickness t of the first layer by using a predetermined equation.Type: ApplicationFiled: March 24, 2020Publication date: September 8, 2022Inventors: Yukihiro TAKAHASHI, Tumendemberel BEGZSUREN
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Patent number: 11131583Abstract: An object state detection and transmission system includes a spectrometer configured to measure 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 being configured to receive a measured reflection spectrum; and a server apparatus connected to the spectroscopic terminal apparatus via a communication line. The electronic device includes a photographic camera configured to photograph the target object to capture a photographed image; a Global Positioning System (GPS) communication unit configured to measure a position of the target object; a sensor configured to measure an azimuth and an angle of the target object; a Central Processing Unit (CPU) configured to clock a current time of the photographing and the measurement; and a wireless communication unit configured to transmit resultant data to the server apparatus.Type: GrantFiled: August 21, 2017Date of Patent: September 28, 2021Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Yukihiro Takahashi, Nobuyasu Naruse
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Publication number: 20210114748Abstract: 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: ApplicationFiled: November 20, 2020Publication date: April 22, 2021Inventors: Yukihiro TAKAHASHI, Junichi KURIHARA, Tetsuro ISHIDA
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Publication number: 20210072084Abstract: 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: ApplicationFiled: November 20, 2020Publication date: March 11, 2021Inventors: Yukihiro TAKAHASHI, Junichi KURIHARA, Tetsuro ISHIDA
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Patent number: 10864998Abstract: [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: GrantFiled: March 22, 2017Date of Patent: December 15, 2020Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Yukihiro Takahashi, Junichi Kurihara, Tetsuro Ishida
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Publication number: 20200319024Abstract: 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: ApplicationFiled: August 21, 2017Publication date: October 8, 2020Inventors: Yukihiro TAKAHASHI, Nobuyasu NARUSE
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Publication number: 20190118970Abstract: [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: ApplicationFiled: March 22, 2017Publication date: April 25, 2019Inventors: Yukihiro TAKAHASHI, Junichi KURIHARA, Tetsuro ISHIDA
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Patent number: 10221464Abstract: 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: GrantFiled: March 20, 2015Date of Patent: March 5, 2019Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Hiroshi Ooba, Yukihiro Takahashi, Yoshitaka Nishikawa
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Patent number: 10022897Abstract: 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: GrantFiled: February 8, 2013Date of Patent: July 17, 2018Assignee: OMRON CorporationInventors: Isao Makuta, Koichi Takemura, Tomofusa Shibata, Yoshihisa Yamanaka, Norikazu Kitamura, Masayuki Shinohara, Kazuhide Hirota, Toshikaga Taguchi, Masayuki Kojima, Yukihiro Takahashi
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Publication number: 20170101696Abstract: 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: ApplicationFiled: March 20, 2015Publication date: April 13, 2017Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Hiroshi OOBA, Yukihiro TAKAHASHI, Yoshitaka NISHIKAWA
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Publication number: 20160244858Abstract: 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: ApplicationFiled: October 8, 2014Publication date: August 25, 2016Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Tatsusei TADA, Yukihiro TAKAHASHI, Yoshitaka NISHIKAWA, Daisuke HIRAKAMI, Toshiyuki MANABE
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Publication number: 20150293264Abstract: 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: ApplicationFiled: November 14, 2013Publication date: October 15, 2015Inventors: Noriyasu Honma, Yasuji Hongo, Yukihiro Takahashi, Mitsuteru Sato, Fuminori Tsuchiya, Daiki Tsurushima