Patents by Inventor Masahiro Nishikawa
Masahiro Nishikawa 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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Patent number: 11168629Abstract: The present invention is one that accurately measures an exhaust gas component regardless of variation in atmospheric pressure around a test object that is a vehicle or part of it, and an exhaust gas analysis apparatus that measures component concentration in exhaust gas discharged from the test object that is the vehicle or part of it. The exhaust gas analysis apparatus includes: an exhaust gas detector that mixes the exhaust gas and reactive gas together and detects the resulting phenomenon; a pressure gauge that measures the atmospheric pressure at the time of measurement of the exhaust gas or pressure at a predetermined point inside the exhaust gas analysis apparatus as measured pressure; and a correction part that, on the basis of the measured pressure by the pressure gauge, corrects the measurement error of the exhaust gas detector associated with a variation in the supply amount of the reactive gas.Type: GrantFiled: September 9, 2019Date of Patent: November 9, 2021Assignee: HORIBA, LTD.Inventors: Naoto Mizutani, Masahiro Nishikawa, Haruhisa Mohara, Shun Fukami, Yosuke Kondo
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Publication number: 20200384111Abstract: The present invention provides a self-assembled nanocluster containing a carbon nanomaterial modified with a functional group represented by the following formula (I): —Y1—R (I) wherein Y1 represents a divalent linking group, and R represents an organic group.Type: ApplicationFiled: November 30, 2018Publication date: December 10, 2020Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, DAICEL CORPORATIONInventors: Eijiro MIYAKO, Yue YU, Masahiro NISHIKAWA, Ming LIU, Takahiro TEI
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Publication number: 20200357578Abstract: Provided are a boron-doped nanodiamond having a large specific surface area and high electrical conductivity, an electrode containing the boron-doped nanodiamond, and a sensor or an electricity storage device provided with the electrode. The boron-doped nanodiamond of the present invention has a specific surface area of 110 m2/g or greater and electrical conductivity at 20° C. of 5.0×10?3 S/cm or greater. The boron-doped nanodiamond preferably has a median diameter of 200 nm or smaller. Additionally, the electrode of the present invention contains the boron-doped nanodiamond.Type: ApplicationFiled: August 28, 2018Publication date: November 12, 2020Applicants: DAICEL CORPORATION, TOKYO UNIVERSITY OF SCIENCE FOUNDATIONInventors: Takeshi KONDO, Tatsuo AIKAWA, Makoto YUASA, Kenjo MIYASHITA, Masahiro NISHIKAWA, Takahiro TEI
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Publication number: 20200191080Abstract: The present invention is one that accurately measures an exhaust gas component regardless of variation in atmospheric pressure around a test object that is a vehicle or part of it, and an exhaust gas analysis apparatus that measures component concentration in exhaust gas discharged from the test object that is the vehicle or part of it. The exhaust gas analysis apparatus includes: an exhaust gas detector that mixes the exhaust gas and reactive gas together and detects the resulting phenomenon; a pressure gauge that measures the atmospheric pressure at the time of measurement of the exhaust gas or pressure at a predetermined point inside the exhaust gas analysis apparatus as measured pressure; and a correction part that, on the basis of the measured pressure by the pressure gauge, corrects the measurement error of the exhaust gas detector associated with a variation in the supply amount of the reactive gas.Type: ApplicationFiled: September 9, 2019Publication date: June 18, 2020Applicant: HORIBA, lTD.Inventors: Naoto MIZUTANO, Masahiro NISHIKAWA, Haruhisa MOHARA, Shun FUKAMI, Yosuke KONDO
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Publication number: 20190364614Abstract: In a small-scale LAN relay adaptor for collecting various information from a hot-water supply system and transmitting the information to a management server via a wireless LAN router, three LEDs arranged in a single row and a control part for performing light emission control of the LEDs are included, wherein the control part is configured to be capable of switching an operation mode to a state display mode or a reception intensity display mode. During the state display mode, the control part issues a notification of the occurrence of three error states respectively using the three LEDs. On the other hand, during the reception intensity display mode, the control part performs reception intensity display processing for displaying the magnitude of reception intensity from the wireless LAN router using the three LEDs as a level meter.Type: ApplicationFiled: February 23, 2018Publication date: November 28, 2019Applicant: NORITZ CORPORATIONInventors: Yoshihiko MAEKAWA, Masayuki SUGIOKA, Tsuyoshi YAMASHITA, Daisuke HIROTA, Yasunori IMI, Masahiro NISHIKAWA, Naoki TAWADA, Masaru ONO
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Patent number: 10485131Abstract: A power-supply device including: a casing having a space therein and formed by metal stamping or having a thickness ranging from 0.3 to 3.0 mm; and a circuit board disposed inside the casing, wherein the casing includes a casing portion having an opening, and a cover portion disposed to cover the opening of the casing portion, the casing portion has a through hole formed at a position corresponding to a connector terminal connected to the circuit board, and the cover portion includes a storage portion bulging outward from the casing, the storage portion storing either one of an electronic component provided to a face of the circuit board which faces the cover portion and an electronic component provided across the circuit board.Type: GrantFiled: July 21, 2017Date of Patent: November 19, 2019Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Kosaku Arita, Masahiro Nishikawa
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Patent number: 10214568Abstract: Provided is a preparation method for phycocyanin, including: adding chitosan to a suspension of cyanobacteria containing phycocyanin; and filtering the suspension.Type: GrantFiled: December 25, 2012Date of Patent: February 26, 2019Assignees: Ezaki Glico Co., Ltd., Glico Nutrition Co., Ltd.Inventors: Iwao Kojima, Koji Odan, Masahiro Nishikawa
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Patent number: 10041645Abstract: The light source unit includes: a semiconductor light emitting element; a lighting circuit configured to operate the semiconductor light emitting element; a first heat dissipation plate on which the semiconductor light emitting element is placed; a second heat dissipation plate on which the lighting circuit is placed; a wiring member electrically interconnecting the semiconductor light emitting element and the lighting circuit; and an interconnection member to which the first heat dissipation plate and the second heat dissipation plate are attached. The interconnection member is lower in thermal conductivity than the first heat dissipation plate and the second heat dissipation plate.Type: GrantFiled: July 5, 2016Date of Patent: August 7, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masatoshi Ueno, Masahiro Nishikawa, Hiro Aoki
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Patent number: 9964512Abstract: An exhaust gas analyzing system makes it possible to determine appropriate maintenance timing of sampling pumps in the system, including sampling pumps and provided in a main flow path in order to sample exhaust gas sent from an introduction port, analysis parts provided on the upstream side or downstream side of the sampling pumps and in the main flow path, flow meters provided on the upstream side or downstream side of the analysis parts in the main flow path, and pump abnormality determination parts and for determining abnormality of the sampling pumps by comparing pump flow rates obtained by the flow meters to a predetermined abnormal flow rate.Type: GrantFiled: May 22, 2013Date of Patent: May 8, 2018Assignee: Horiba, Ltd.Inventors: Masaru Miyai, Manabu Ito, Masahiro Nishikawa
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Publication number: 20170325350Abstract: A power-supply device including: a casing having a space therein and formed by metal stamping or having a thickness ranging from 0.3 to 3.0 mm; and a circuit board disposed inside the casing, wherein the casing includes a casing portion having an opening, and a cover portion disposed to cover the opening of the casing portion, the casing portion has a through hole formed at a position corresponding to a connector terminal connected to the circuit board, and the cover portion includes a storage portion bulging outward from the casing, the storage portion storing either one of an electronic component provided to a face of the circuit board which faces the cover portion and an electronic component provided across the circuit board.Type: ApplicationFiled: July 21, 2017Publication date: November 9, 2017Inventors: Kosaku ARITA, Masahiro NISHIKAWA
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Patent number: 9750154Abstract: A power-supply device including: a casing having a space therein and formed by metal stamping or having a thickness ranging from 0.3 to 3.0 mm; and a circuit board disposed inside the casing, wherein the casing includes a casing portion having an opening, and a cover portion disposed to cover the opening of the casing portion, the casing portion has a through hole formed at a position corresponding to a connector terminal connected to the circuit board, and the cover portion includes a storage portion bulging outward from the casing, the storage portion storing either one of an electronic component provided to a face of the circuit board which faces the cover portion and an electronic component provided across the circuit board.Type: GrantFiled: September 29, 2014Date of Patent: August 29, 2017Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Kosaku Arita, Masahiro Nishikawa
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Publication number: 20170009954Abstract: The light source unit includes: a semiconductor light emitting element; a lighting circuit configured to operate the semiconductor light emitting element; a first heat dissipation plate on which the semiconductor light emitting element is placed; a second heat dissipation plate on which the lighting circuit is placed; a wiring member electrically interconnecting the semiconductor light emitting element and the lighting circuit; and an interconnection member to which the first heat dissipation plate and the second heat dissipation plate are attached. The interconnection member is lower in thermal conductivity than the first heat dissipation plate and the second heat dissipation plate.Type: ApplicationFiled: July 5, 2016Publication date: January 12, 2017Inventors: Masatoshi UENO, Masahiro NISHIKAWA, Hiro AOKI
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Patent number: 9376056Abstract: A power supply device includes a DC power supply circuit configured to output DC power, and a ground-fault determining circuit configured to determine presence or absence of a ground fault at a post-stage of the DC power supply circuit. The ground-fault determining circuit includes a capacitor having an end that is connected with ground, and a diode including an anode and a cathode. The anode is connected with another end of the capacitor, and the cathode is connected with an output end on a high voltage side of the DC power supply circuit. The ground-fault determining circuit further includes a constant voltage source configured to charge the capacitor with a prescribed charging voltage, and a comparator as a determining portion configured to determine presence of the ground fault when a voltage across the capacitor falls below a prescribed determination reference voltage lower than the prescribed charging voltage.Type: GrantFiled: October 29, 2013Date of Patent: June 28, 2016Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Masatoshi Ueno, Toshiaki Nakamura, Kazuya Kato, Masashi Kichima, Masahiro Nishikawa
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Patent number: 9371974Abstract: A lighting device includes: a circuit board placed on a base; and a transformer provided in the circuit board. The transformer includes: a winding pattern formed on the circuit board; and a core having an outer leg portion. The circuit board has an outer leg insertion portion through which the outer leg portion of the core is inserted, and the circuit board and the base have therebetween a gap which is air space. The base and at least a lateral face of the outer leg portion are bonded together by a first resin that is insertable from the outer leg insertion portion.Type: GrantFiled: August 15, 2014Date of Patent: June 21, 2016Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Masahiro Nishikawa, Tomoyuki Nakano, Masatoshi Ueno, Masashi Kichima, Kazuya Kato
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Patent number: 9347875Abstract: A gas analyzing system that can perform calibration without being influenced by the deterioration of span gas in a span gas supply line. An open-close device control part that receives a calibration start signal issuing an instruction to start zero calibration and span calibration, and controls an open-close device for a span gas flow path. An open-close device for a zero gas flow path, wherein if the open-close device control part receives a new calibration start signal after a predetermined time has passed since previous calibration was performed, before the span calibration is started, for a predetermined time, the open-close device control part controls the open-close device for the span gas flow path so as to open the open-close device for the span gas flow path, and thereby purges span gas that remains in the span gas flow path.Type: GrantFiled: December 7, 2010Date of Patent: May 24, 2016Assignee: HORIBA, LTD.Inventors: Masaru Miyai, Masahiro Nishikawa
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Patent number: 9322742Abstract: The present invention is intended to be able to determine an appropriate purge time in a hydrogen flame ionization type exhaust gas analyzer and a system incorporating the analyzer which includes: a collector electrode for capturing ions generated from exhaust gas by hydrogen flame; an acquisition circuit adapted to acquire ion current caused by the ions captured by the collector electrode; and an abnormality determining part for determining an abnormality in the case where a difference between a first output value of the acquisition circuit in the case where there flows no ion current caused by the exhaust gas to the collector electrode and a second output value of the acquisition circuit in the case where zero gas is introduced into the hydrogen flame is equal to a predetermined value.Type: GrantFiled: June 13, 2013Date of Patent: April 26, 2016Assignee: HORIBA, LTD.Inventors: Masaru Miyai, Hiroshi Nakamura, Masahiro Nishikawa
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Patent number: 9255917Abstract: An analyzer calibrating system intended to reduce calibration time and a consumption amount of calibration gas in the case of concurrently calibrating a plurality of analyzers and includes: a calibration gas line for concurrently supplying the same calibration gas to a plurality of analyzers; and a control unit adapted to determine whether or not an output value of each of the plurality of analyzers supplied with the same calibration gas is stable. The control unit calibrates the analyzer having the output value determined to be stable and stops the supply of the calibration gas to the analyzer having completed with the calibration.Type: GrantFiled: May 22, 2013Date of Patent: February 9, 2016Assignee: HORIBA, Ltd.Inventors: Masaru Miyai, Hiroshi Nakamura, Masahiro Nishikawa
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Publication number: 20160035319Abstract: The purpose of the present invention is to provide a display device for work machines that is capable of obtaining, when required, information required for the operation of a work machine or a work device, without being conscious of the information acquisition. A display device for a combine being a work machine capable of interruption display of any information on a display screen and wherein display of information in relation to the combine or a harvesting unit or threshing unit, etc. being work devices provided in the combine, occurs via an interruption display screen being one embodiment of interruption display, when a prescribed operation happens in relation to the combine, the harvesting unit, or the threshing unit, etc.Type: ApplicationFiled: February 24, 2014Publication date: February 4, 2016Inventors: Yusuke KOIKE, Shingo YAMAMOTO, Masahiro NISHIKAWA, Nobuhiko ICHINOSE, Toshiyuki MIWA, Munenori MIYAMOTO
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Patent number: 9220160Abstract: Control unit decreases power to be supplied to high-pressure discharge lamp when an output voltage or an output current for high-pressure discharge lamp measured by measurement unit is in an abnormal range. Drive unit driving switching element includes capacitor that supplies, to a control electrode of switching element disposed on high potential side, electric charge necessary for turning on switching element disposed on high potential side when switching element disposed on low potential side is turned off. When high-pressure discharge lamp is started up, a discharge lamp lighting device starts to charge capacitor before DC/DC converter is started to operate, and control unit has a determination period for determining presence/absence of an abnormality based on a measured value acquired by measurement unit in a state in which DC/DC converter and DC/AC inverter are operated after completion of charging of capacitor.Type: GrantFiled: October 17, 2013Date of Patent: December 22, 2015Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Masahiro Nishikawa, Masatoshi Ueno, Kazuya Kato, Masashi Kichima
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Publication number: 20150305129Abstract: Control unit decreases power to be supplied to high-pressure discharge lamp when an output voltage or an output current for high-pressure discharge lamp measured by measurement unit is in an abnormal range. Drive unit driving switching element includes capacitor that supplies, to a control electrode of switching element disposed on high potential side, electric charge necessary for turning on switching element disposed on high potential side when switching element disposed on low potential side is turned off. When high-pressure discharge lamp is started up, a discharge lamp lighting device starts to charge capacitor before DC/DC converter is started to operate, and control unit has a determination period for determining presence/absence of an abnormality based on a measured value acquired by measurement unit in a state in which DC/DC converter and DC/AC inverter are operated after completion of charging of capacitor.Type: ApplicationFiled: October 17, 2013Publication date: October 22, 2015Inventors: Masahiro NISHIKAWA, Masatoshi UENO, Kazuya KATO, Masashi KICHIMA