Patents by Inventor Kazufumi Nishida
Kazufumi Nishida 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: 20240116031Abstract: An object of the present invention is to provide a catalyst that enables production of an unsaturated carboxylic acid and/or unsaturated carboxylic acid ester represented by methyl methacrylate with high selectivity. The object is achieved by a catalyst including: one or more elements selected from boron, magnesium, zirconium, hafnium, and titanium; one or more elements selected from alkali metal elements; and silica; the catalyst having a peak height ratio I2/I1 of 0 to 1.2, wherein I1 represents the peak height at 417±10 cm?1, and I2 represents the peak height at 1050±10 cm?1, as obtained by Raman spectroscopy.Type: ApplicationFiled: November 30, 2023Publication date: April 11, 2024Applicant: Mitsubishi Chemical CorporationInventors: Akio Hayashi, Yuuki Tsujimoto, Toshio Hasegawa, Kazufumi Nishida, Masaya Fujisue, Wataru Ninomiya
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Publication number: 20240085784Abstract: Provided is an organic EL display device that exhibits high luminance and high color reproducibility and has a color filter which exhibits excellent pixel adhesion and excellent pixel linearity in a development step even in a case of high colorant concentration. This organic EL display device comprises an organic EL layer and a color filter on a silicon substrate in which a driving element is formed. The color filter has pixels including specific red, green, and blue pixels. Each of the pixels is a cured product of a photosensitive coloring composition which contains a specific colorant (A), a photopolymerizable monomer (B), a photopolymerization initiator (C), and a resin (D). The photopolymerizable monomer (B) includes a compound represented by formula (1), and the photopolymerization initiator (C) includes an oxime ester photopolymerization initiator. Formula (1): [CH2?CHC(?O)—(OCmH2m)n—OCH2]3—CCH2CH3 (Signs in formula (1) are according to those described in the description.Type: ApplicationFiled: September 26, 2023Publication date: March 14, 2024Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYO VISUAL SOLUTIONS CO., LTD., TOPPAN INC.Inventors: Taketo KOGURE, Kenji HIKI, Kazufumi NISHIDA, Shinji TSUNEKAWA, Atsushi YAMAUCHI, Hiroki NAGATOME
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Publication number: 20230384159Abstract: A colorimeter 1 that measures a chromaticity of a measured object A comprises: a first light source unit 11 that emits first irradiation light having a first spectrum S1; a second light source unit 12 that emits second irradiation light having a second spectrum S2 different from the first spectrum S1; an integrating sphere 61 that has irradiation light including the first irradiation light and the second irradiation light incident thereon; a light receiver 20 that detects measured light resulting from irradiation of the measured object A with the irradiation light emitted from the integrating sphere 61; and a controller 50 that calculates an optical spectrum of the measured light based on a detection signal of the measured light. A superimposed spectrum S of the first spectrum S1 and the second spectrum S2 corresponds to a reference spectrum S0 of a standard light source as reference for calculating the chromaticity.Type: ApplicationFiled: May 25, 2023Publication date: November 30, 2023Inventors: Ryutaro Maki, Kazufumi Nishida
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Publication number: 20230062325Abstract: An integrating sphere (10) of the present disclosure includes a hollow member (1) and a diffusive coating (4), on the inner surface of the hollow member (1), configured to scatter and reflect light from a light source within the hollow member (1) to yield diffused light. The diffusive coating (4) is coated with a hydrophobic coating (5). The accuracy of optical measurements using the integrating sphere (10) is improved by suppressed moisture absorption of the integrating sphere (10) and suppressed fluctuations in the efficiency of the integrating sphere (10).Type: ApplicationFiled: August 26, 2022Publication date: March 2, 2023Inventors: Kazufumi Nishida, Kumiko Horikoshi, Hitoshi Hara
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Publication number: 20220250035Abstract: The invention discloses a catalyst comprising a silica support, a modifier metal and a catalytic alkali metal. The silica support has a multimodal pore size distribution comprising a mesoporous pore size distribution having an average pore size in the range 2 to 50 nm and a pore volume of said mesopores of at least 0.1 cm3/g, and a macroporous pore size distribution having an average pore size of more than 50 nm and a pore volume of said macropores of at least 0.1 cm3/g. The level of catalytic alkali metal on the silica support is at least 2 mol %. The modifier metal is selected from Mg, B, Al, Ti, Zr and Hf. The invention also discloses a method of producing the catalyst, a method of producing an ethylenically unsaturated carboxylic acid or ester in the presence of the catalyst, and a process for preparing an ethylenically unsaturated acid or ester in the presence of the catalyst.Type: ApplicationFiled: July 24, 2020Publication date: August 11, 2022Inventors: Jonathan Runnacles, David William Johnson, Toshio Hasegawa, Kazufumi Nishida, Wataru Ninomiya
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Publication number: 20220213324Abstract: A coloring composition which contains an isoindoline compound represented by formula (1) (wherein A represents a group that is expressed by formula (2), formula (3) or formula (4)) and a dispersion medium.Type: ApplicationFiled: April 20, 2020Publication date: July 7, 2022Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.Inventors: Takeshi MATSUMOTO, Takayoshi KONO, Kouhei TAKIJIRI, Teppei INAI, Kazufumi NISHIDA
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Patent number: 10982949Abstract: A measurement apparatus includes a detection unit to detect a first light intensity of a light obtained by making a first light having a first wavelength transmitted through a measurement object, a second light intensity of a light obtained by making a second light having a second wavelength transmitted through the object, the second wavelength having a lower rate of absorption by a material of the object than the first wavelength, and a third light intensity of a light obtained by making a third light having a third wavelength transmitted through the object, the third wavelength having a lower rate of absorption by the material of the object than the first wavelength and having a lower rate of absorption by the object containing a fluid than the second wavelength, and a calculation unit to calculate the thickness of the object by using the first, second, and third light intensities.Type: GrantFiled: November 27, 2019Date of Patent: April 20, 2021Assignee: YOKOGAWA ELECTRIC CORPORATIONInventors: Kazufumi Nishida, Hitoshi Hara, Kazuki Setsuda
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Publication number: 20200173767Abstract: A measurement apparatus includes a detection unit to detect a first light intensity of a light obtained by making a first light having a first wavelength transmitted through a measurement object, a second light intensity of a light obtained by making a second light having a second wavelength transmitted through the object, the second wavelength having a lower rate of absorption by a material of the object than the first wavelength, and a third light intensity of a light obtained by making a third light having a third wavelength transmitted through the object, the third wavelength having a lower rate of absorption by the material of the object than the first wavelength and having a lower rate of absorption by the object containing a fluid than the second wavelength, and a calculation unit to calculate the thickness of the object by using the first, second, and third light intensities.Type: ApplicationFiled: November 27, 2019Publication date: June 4, 2020Inventors: Kazufumi NISHIDA, Hitoshi HARA, Kazuki SETSUDA
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Patent number: 10634489Abstract: A displacement sensor includes a linear light source which emits a linear beam, a beam splitter, a line sensor, and an imaging lens. The linear light source is disposed with an inclination of a predetermined angle with respect to a perpendicular line of an optical axis of the imaging lens. The imaging lens forms an image of the linear light source at a position conjugate with the linear light source with an inclination of a predetermined angle with respect to the perpendicular line of the optical axis of the imaging lens. The beam splitter is disposed between the linear light source and the imaging lens. The line sensor is disposed at a position conjugate with the image formed by the imaging lens through the imaging lens and the beam splitter so that the optical axis of the imaging lens has the inclination of the predetermined angle with respect to the perpendicular line of the optical axis reflected by the beam splitter.Type: GrantFiled: September 11, 2018Date of Patent: April 28, 2020Assignee: Yokogawa Electric CorporationInventors: Naomichi Chida, Kazuki Setsuda, Kazufumi Nishida, Jun Katsuyama
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Patent number: 10345231Abstract: A signal detection device according to one aspect of the present invention includes a receiver configured to receive a signal including at least a first signal component modulated by a first frequency and a second signal component modulated by a second frequency, and a detector configured to generate, using a base signal, a first reference signal to be used for detecting the first signal component and a second reference signal to be used for detecting the second signal component, perform lock-in detection on the signal received by the receiver using the first reference signal to obtain a first detection signal, perform lock-in detection on the signal received by the receiver using the second reference signal to obtain two second detection signals having different phases from each other, and change at least one of a frequency and a phase of each of the first and second reference signals to set one of the two second detection signals to zero.Type: GrantFiled: November 27, 2017Date of Patent: July 9, 2019Assignee: Yokogawa Electric CorporationInventors: Kazuki Setsuda, Naomichi Chida, Kazufumi Nishida
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Publication number: 20190078875Abstract: A displacement sensor includes a linear light source which emits a linear beam, a beam splitter, a line sensor, and an imaging lens. The linear light source is disposed with an inclination of a predetermined angle with respect to a perpendicular line of an optical axis of the imaging lens. The imaging lens forms an image of the linear light source at a position conjugate with the linear light source with an inclination of a predetermined angle with respect to the perpendicular line of the optical axis of the imaging lens. The beam splitter is disposed between the linear light source and the imaging lens. The line sensor is disposed at a position conjugate with the image formed by the imaging lens through the imaging lens and the beam splitter so that the optical axis of the imaging lens has the inclination of the predetermined angle with respect to the perpendicular line of the optical axis reflected by the beam splitter.Type: ApplicationFiled: September 11, 2018Publication date: March 14, 2019Applicant: Yokogawa Electric CorporationInventors: Naomichi CHIDA, Kazuki SETSUDA, Kazufumi NISHIDA, Jun KATSUYAMA
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Publication number: 20180149587Abstract: A signal detection device according to one aspect of the present invention includes a receiver configured to receive a signal including at least a first signal component modulated by a first frequency and a second signal component modulated by a second frequency, and a detector configured to generate, using a base signal, a first reference signal to be used for detecting the first signal component and a second reference signal to be used for detecting the second signal component, perform lock-in detection on the signal received by the receiver using the first reference signal to obtain a first detection signal, perform lock-in detection on the signal received by the receiver using the second reference signal to obtain two second detection signals having different phases from each other, and change at least one of a frequency and a phase of each of the first and second reference signals to set one of the two second detection signals to zero.Type: ApplicationFiled: November 27, 2017Publication date: May 31, 2018Applicant: Yokogawa Electric CorporationInventors: Kazuki SETSUDA, Naomichi CHIDA, Kazufumi NISHIDA
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Patent number: 9605949Abstract: A displacement sensor includes a light source unit configured to apply light with different plural wavelengths in a direction oblique to a measurement region of a planar measured object, a spectroscope configured to measure spectral distribution of light reflected by the measurement region, a feature amount extracting module configured to extract a feature amount of the spectral distribution, and a displacement calculating module configured to calculate displacement of the measurement region based on the extracted feature amount and a relation between displacement and a feature amount acquired previously.Type: GrantFiled: October 7, 2016Date of Patent: March 28, 2017Assignee: Yokogawa Electric CorporationInventors: Atsushi Tsujii, Naomichi Chida, Kazufumi Nishida
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Publication number: 20170023355Abstract: A displacement sensor includes a light source unit configured to apply light with different plural wavelengths in a direction oblique to a measurement region of a planar measured object, a spectroscope configured to measure spectral distribution of light reflected by the measurement region, a feature amount extracting module configured to extract a feature amount of the spectral distribution, and a displacement calculating module configured to calculate displacement of the measurement region based on the extracted feature amount and a relation between displacement and a feature amount acquired previously.Type: ApplicationFiled: October 7, 2016Publication date: January 26, 2017Applicant: YOKOGAWA ELECTRIC CORPORATIONInventors: Atsushi TSUJII, Naomichi CHIDA, Kazufumi NISHIDA
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Patent number: 9488468Abstract: A displacement sensor includes a light source unit configured to apply light with different plural wavelengths in a direction oblique to a measurement region of a planar measured object, a spectroscope configured to measure spectral distribution of light reflected by the measurement region, a feature amount extracting module configured to extract a feature amount of the spectral distribution, and a displacement calculating module configured to calculate displacement of the measurement region based on the extracted feature amount and a relation between displacement and a feature amount acquired previously.Type: GrantFiled: October 11, 2013Date of Patent: November 8, 2016Assignee: YOKOGAWA ELECTRIC CORPORATIONInventors: Atsushi Tsujii, Naomichi Chida, Kazufumi Nishida
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Patent number: 9334233Abstract: The invention relates to a method for producing acrylonitrile which includes a vapor phase catalytic ammoxidation process of performing vapor phase catalytic ammoxidation by bringing a source gas containing propylene, molecular oxygen, and ammonia into contact with a fluidized bed catalyst to obtain acrylonitrile. The method is characterized in that the fluidized bed catalyst is a catalyst containing molybdenum and bismuth and the vapor phase catalytic ammoxidation process is performed while maintaining an adsorbed amount of ammonia per specific surface area (m2/g) of the fluidized bed catalyst in the range of 0.05 to 0.6 ?mol/m2. According to the method for producing acrylonitrile of the invention, it is possible to stably maintain a high acrylonitrile yield over a long period of time.Type: GrantFiled: February 26, 2013Date of Patent: May 10, 2016Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Hirokazu Watanabe, Motoo Yanagita, Takashi Karasuda, Kazufumi Nishida, Kenichi Miyaki
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Patent number: 9328063Abstract: The invention relates to a method for producing acrylonitrile which includes a vapor phase catalytic ammoxidation process of performing vapor phase catalytic ammoxidation by bringing a source gas containing propylene, molecular oxygen, and ammonia into contact with a fluidized bed catalyst to obtain acrylonitrile. The method is characterized in that the fluidized bed catalyst consists of particles containing Fe, Sb, and Te, and the vapor phase catalytic ammoxidation process is performed while maintaining a B/A in the range of 2.0 to 5.0, where A denotes an atomic ratio of Te/Sb in a bulk composition of the fluidized bed catalyst and B denotes an atomic ratio of Te/Sb in a surface composition of the particles of the fluidized bed catalyst. According to the method for producing acrylonitrile of the invention, it is possible to stably maintain a high acrylonitrile yield over a long period of time.Type: GrantFiled: February 26, 2013Date of Patent: May 3, 2016Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Takashi Karasuda, Hirokazu Watanabe, Motoo Yanagita, Kazufumi Nishida
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Publication number: 20160008794Abstract: A catalyst for acrylonitrile production, which is produced by the vapor phase contact ammoxidation of propylene by molecular oxygen and ammonia, and a method for producing acrylonitrile using the catalyst.Type: ApplicationFiled: February 19, 2014Publication date: January 14, 2016Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Kazufumi NISHIDA, Motoo YANAGITA, Takashi KARASUDA, Hirokazu WATANABE
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Patent number: 9181178Abstract: The invention relates to a method for producing acrylonitrile which includes a vapor phase catalytic ammoxidation process of performing vapor phase catalytic ammoxidation by bringing a source gas containing propylene, molecular oxygen, and ammonia into contact with a fluidized bed catalyst to obtain acrylonitrile. The method is characterized in that the fluidized bed catalyst is a catalyst containing iron, antimony, and tellurium, and the vapor phase catalytic ammoxidation process is performed while maintaining an adsorbed amount of ammonia per specific surface area (m2/g) of the fluidized bed catalyst in the range of 0.01 to 0.22 ?mol/m2. According to the method for producing acrylonitrile of the invention, it is possible to stably maintain a high acrylonitrile yield over a long period of time.Type: GrantFiled: February 26, 2013Date of Patent: November 10, 2015Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Hirokazu Watanabe, Motoo Yanagita, Takashi Karasuda, Kazufumi Nishida, Kenichi Miyaki
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Publication number: 20150065744Abstract: The invention relates to a method for producing acrylonitrile which includes a vapor phase catalytic ammoxidation process of performing vapor phase catalytic ammoxidation by bringing a source gas containing propylene, molecular oxygen, and ammonia into contact with a fluidized bed catalyst to obtain acrylonitrile. The method is characterized in that the fluidized bed catalyst is a catalyst containing molybdenum and bismuth and the vapor phase catalytic ammoxidation process is performed while maintaining an adsorbed amount of ammonia per specific surface area (m2/g) of the fluidized bed catalyst in the range of 0.05 to 0.6 ?mol/m2. According to the method for producing acrylonitrile of the invention, it is possible to stably maintain a high acrylonitrile yield over a long period of time.Type: ApplicationFiled: February 26, 2013Publication date: March 5, 2015Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Hirokazu Watanabe, Motoo Yanagita, Takashi Karasuda, Kazufumi Nishida, Kenichi Miyaki