Patents by Inventor Toshikazu Hasegawa
Toshikazu Hasegawa 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: 20240154485Abstract: A stator including, a stator core having a slot, a winding wire to be inserted into the slot; and an insulation sheet interposed between the slot and the winding wire and configured to electrically insulate an inner wall of the slot and the winding wire, wherein the insulation sheet includes an insulation paper, a first adhesive layer disposed on a front surface of the insulation paper facing the inner wall of the slot, and a second adhesive layer disposed on a back surface of the insulation paper facing the winding wire, a foaming adhesive to be thermally cured while foaming by heating is disposed on the first adhesive layer, and a non-foaming adhesive having lower viscosity than that of the foaming adhesive when unheated is disposed on the second adhesive layer.Type: ApplicationFiled: April 2, 2021Publication date: May 9, 2024Inventors: Masahide KIMURA, Tatsuya IMAI, Tomoyasu HIRAOKA, Kazuhiro HASEGAWA, Toshikazu UCHIDA
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Patent number: 11821786Abstract: A pyranometer is provided which can measure the precise amount of solar radiation/solar irradiance continuously and stably while suppressing the generation of dew or frost by a simple configuration even in changing external environment. A pyranometer includes: a housing having an opening, and having thermal conductivity; a dome provided at the opening, and having light transmittance; a sensor part provided in an internal space formed by the housing and the dome, and for measuring an intensity of a sunlight made incident through the dome; and a heat generating element provided heat conductably to a part of the housing, opposite to the opening across the internal space.Type: GrantFiled: May 10, 2022Date of Patent: November 21, 2023Assignee: EKO INSTRUMENTS CO., LTD.Inventors: Toshikazu Hasegawa, Satoshi Nishikawa, Masayuki Yamada
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Publication number: 20230366731Abstract: A pyranometer is provided which can measure the precise amount of solar radiation/solar irradiance continuously and stably while suppressing the generation of dew or frost by a simple configuration even in changing external environment. A pyranometer includes: a housing having an opening, and having thermal conductivity; a dome provided at the opening, and having light transmittance; a sensor part provided in an internal space formed by the housing and the dome, and for measuring an intensity of a sunlight made incident through the dome; and a heat generating element provided heat conductably to a part of the housing, opposite to the opening across the internal space.Type: ApplicationFiled: May 10, 2022Publication date: November 16, 2023Applicant: EKO INSTRUMENTS CO., LTD.Inventors: Toshikazu HASEGAWA, Satoshi NISHIKAWA, Masayuki YAMADA
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Patent number: 11650323Abstract: A meteorological lidar performs highly precise meteorological observation by primarily removing elastically scattered light and by detecting rotational Raman-scattered light without filtering it out. The meteorological lidar according to embodiments measures scattered light of a laser beam, and includes: a diffraction grating diffracting rotational Raman-scattered light contained in scattered light in accordance with the wavelength of rotational Raman-scattered light; a detector detecting the diffracted rotational Raman-scattered light; and a removing element primarily removing elastically scattered light of a specific wavelength contained in the scattered light.Type: GrantFiled: October 15, 2019Date of Patent: May 16, 2023Assignee: EKO INSTRUMENTS CO., LTD.Inventors: Toshikazu Hasegawa, Eiji Takeuchi, Makoto Tsukamoto, Masanori Yabuki
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Publication number: 20220011233Abstract: An optical receiver for a meteorological lidar capable of accurate measurement of scattered light generated by emitting a laser beam of the UVC range (wavelength of 200 to 280 nm) into the air, without using a diffraction grating, is provided. The optical receiver for a meteorological lidar that emits a laser beam of a specific wavelength in the UVC range into the air and measures scattered light generated by the laser beam includes a reflector that reflects incident light to a predetermined direction, and a spectrometer that isolates a specific wavelength from incident light from the reflector, wherein the spectrometer includes interference filters.Type: ApplicationFiled: December 25, 2019Publication date: January 13, 2022Applicant: EKO INSTRUMENTS CO., LTD.Inventors: Toshikazu HASEGAWA, Eiji TAKEUCHI, Makoto TSUKAMOTO, Masanori YABUKI
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Publication number: 20210389471Abstract: A meteorological lidar performs highly precise meteorological observation by primarily removing elastically scattered light and by detecting rotational Raman-scattered light without filtering it out. The meteorological lidar according to embodiments measures scattered light of a laser beam, and includes: a diffraction grating diffracting rotational Raman-scattered light contained in scattered light in accordance with the wavelength of rotational Raman-scattered light; a detector detecting the diffracted rotational Raman-scattered light; and a removing element primarily removing elastically scattered light of a specific wavelength contained in the scattered light.Type: ApplicationFiled: October 15, 2019Publication date: December 16, 2021Applicant: EKO INSTRUMENTS CO., LTD.Inventors: Toshikazu HASEGAWA, Eiji TAKEUCHI, Makoto TSUKAMOTO, Masanori YABUKI
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Patent number: 11193901Abstract: The object of the invention is to provide a thermal conductivity measuring device that comprises a heat generator arranged in such a way as to come into contact with an object to be measured for thermal conductivity, a heat resistant material arranged in such a way as to come into contact with the heat generator, at least one pair of differential thermocouples for measuring a voltage value caused by the difference in temperature of two points of the heat resistant material, the temperature being generated by allowing heat to flow from the heat generator, and a calculating device for calculating the time rate of change of output voltage of the differential thermocouples and then calculating the thermal conductivity of the object to be measured on the basis of the calculated time rate of change.Type: GrantFiled: November 29, 2016Date of Patent: December 7, 2021Assignee: EKO INSTRUMENTS CO., LTD.Inventors: Toshikazu Hasegawa, Yukihiro Goto, Isamu Chiba
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Publication number: 20210333363Abstract: A meteorological lidar capable of measuring vertical distributions of temperature, water vapor concentration, aerosol, wind direction/wind speed, ozone concentration, CO2 concentration, etc., stably and continuously day and night is provided. A meteorological lidar that emits a laser beam of a specific wavelength into the air and measures scattered light generated by the laser beam includes an optical system that emits a laser beam into the air, and a dust-proof part that makes an enclosing space of the optical system clean.Type: ApplicationFiled: October 7, 2019Publication date: October 28, 2021Applicant: EKO INSTRUMENTS CO., LTD.Inventors: Toshikazu HASEGAWA, Eiji TAKEUCHI, Makoto TSUKAMOTO, Masanori YABUKI
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Publication number: 20190360953Abstract: The object of the invention is to provide a thermal conductivity measuring device that comprises a heat generator arranged in such a way as to come into contact with an object to be measured for thermal conductivity, a heat resistant material arranged in such a way as to come into contact with the heat generator, at least one pair of differential thermocouples for measuring a voltage value caused by the difference in temperature of two points of the heat resistant material, the temperature being generated by allowing heat to flow from the heat generator, and a calculating device for calculating the time rate of change of output voltage of the differential thermocouples and then calculating the thermal conductivity of the object to be measured on the basis of the calculated time rate of change.Type: ApplicationFiled: November 29, 2016Publication date: November 28, 2019Inventors: Toshikazu HASEGAWA, Yukihiro GOTO, Isamu CHIBA
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Publication number: 20190186988Abstract: A pyranometer comprises: a light sensor; a first lens arranged to face a light-receiving surface of the light sensor; and a light-shielding ring arranged between the light sensor and the first lens, the light-shielding ring having a light-transmissive region allowing transmission of light at some angles of incidence in the light passing through the first lens.Type: ApplicationFiled: October 30, 2018Publication date: June 20, 2019Inventors: Toshikazu HASEGAWA, Akihito AKIYAMA, Ayako YANO
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Patent number: 10048122Abstract: A pyranometer, comprises a thermal sensor, and a diffusing member positioned so as to be opposed to a receiving surface of the thermal sensor.Type: GrantFiled: April 14, 2017Date of Patent: August 14, 2018Assignee: EKO INSTRUMENTS CO., LTD.Inventors: Toshikazu Hasegawa, Akihito Akiyama, Naoto Shimada
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Patent number: 9909919Abstract: The invention provides a pyranometer with a fast response time, a reduced offset amount, and reduced impacts from harsh outside environment and an enhanced long-term stability, as well as an excellent cosine response. The pyranometer has: a silicon-based thermopile sensor, which is sealed airtight in a CAN package and positioned opposed to the receiving surface of the thermopile sensor; and diffusing member that is positioned so as to be opposed to a receiving surface of the thermopile.Type: GrantFiled: October 14, 2015Date of Patent: March 6, 2018Assignee: EKO INSTRUMENTS CO., LTD.Inventors: Toshikazu Hasegawa, Akihito Akiyama, Naoto Shimada
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Publication number: 20170227396Abstract: The invention provides a pyranometer with a fast response time, a reduced offset amount, and reduced impacts from harsh outside environment and an enhanced long-term stability, as well as an excellent cosine response. The pyranometer has: a silicon-based thermopile sensor, which is sealed airtight in a CAN package and positioned opposed to the receiving surface of the thermopile sensor; and diffusing member that is positioned so as to be opposed to a receiving surface of the thermopile.Type: ApplicationFiled: October 14, 2015Publication date: August 10, 2017Inventors: Toshikazu HASEGAWA, Akihito AKIYAMA, Naoto SHIMADA
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Publication number: 20170219428Abstract: A pyranometer, comprises a thermal sensor, and a diffusing member positioned so as to be opposed to a receiving surface of the thermal sensor.Type: ApplicationFiled: April 14, 2017Publication date: August 3, 2017Inventors: Toshikazu HASEGAWA, Akihito AKIYAMA, Naoto SHIMADA
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Patent number: 9125526Abstract: The present invention provides a rolling mat which is easy to roll, which is sanitary and which enables the right amount of force of pressing food material to be readily determined. A rolling mat includes: a plurality of rod-like rib parts arranged in a direction Y in which food material is rolled; and a knitted string part that connects the plurality of rib parts 12 with each other by knitting a string material part so as to sandwich the rib parts, wherein the rib parts are formed of a plastic material and/or a metal material having hardness that is at least greater than silicone resin, and the knitted string part is made of man-made monofilament fiber or high molecular weight polyethylene fiber produced by stretching polyethylene resin having a high molecular weight into fibers.Type: GrantFiled: March 29, 2013Date of Patent: September 8, 2015Assignee: HASEGAWA CORPORATIONInventor: Toshikazu Hasegawa
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Publication number: 20150150418Abstract: The present invention provides a rolling mat which is easy to roll, which is sanitary and which enables the right amount of force of pressing food material to be readily determined. A rolling mat includes: a plurality of rod-like rib parts arranged in a direction Y in which food material is rolled; and a knitted string part that connects the plurality of rib parts with each other by knitting a string material part so as to sandwich the rib parts, wherein the rib parts are formed of a plastic material and/or a metal material having hardness that is at least greater than silicone resin, and the knitted string part is made of man-made monofilament fiber or high molecular weight polyethylene fiber produced by stretching polyethylene resin having a high molecular weight into fibers.Type: ApplicationFiled: March 29, 2013Publication date: June 4, 2015Inventor: Toshikazu Hasegawa
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Patent number: D728991Type: GrantFiled: July 26, 2013Date of Patent: May 12, 2015Assignee: Hasegawa CorporationInventor: Toshikazu Hasegawa
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Patent number: D847668Type: GrantFiled: March 25, 2016Date of Patent: May 7, 2019Inventors: Toshikazu Hasegawa, Naoto Shimada
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Patent number: D855481Type: GrantFiled: May 3, 2018Date of Patent: August 6, 2019Assignee: Eko Instruments Co., Ltd.Inventors: Toshikazu Hasegawa, Naoto Shimada
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Patent number: D862256Type: GrantFiled: December 28, 2017Date of Patent: October 8, 2019Inventors: Toshikazu Hasegawa, Shuji Yoshida