Patents by Inventor Kohei Suzuki
Kohei Suzuki 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: 20240141234Abstract: The present invention relates to a liquid-crystal composition comprising (A) dye compounds and (B) a liquid-crystal material, wherein the dye compounds (A) include an anthraquinone compound represented by general formula (1) and an anthraquinone compound represented by general formula (2) in a specific proportion and further include a dye compound which is neither the anthraquinone compound represented by general formula (1) nor the anthraquinone compound represented by general formula (2). The present invention further relates to a liquid-crystal composition comprising the (A) and (B) components and further containing (C) a. photocurable compound and (D) a photopolymerization initiator, a cured object obtained from the liquid-crystal composition, and a light-modulating element in which the liquid-crystal composition or the cured object is sandwiched therein.Type: ApplicationFiled: January 19, 2022Publication date: May 2, 2024Inventors: Hitomi Muto, Kohei Ohtani, Saori Suzuki, Takashi Yoshimoto, Masakazu Shiraishi, Kanae Ogawa
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Publication number: 20240140907Abstract: The present invention is an anthraquinone compound represented by formula (1) (in the formula. R1 represents a hydrogen atom, a C1-C12 linear or branched alkyl group, or a C1-C12 linear or branched alkoxy group, and R2 represents a substituent represented by: formula (a) (in formula (a), R3 represents a hydrogen atom, a C1-C8 linear or branched alkyl group, a C1-C8 linear or branched alkoxy group, or a substituent represented by —CH2OR4, where R4 represents a C1-C8 linear or branched alkyl group); or formula (b) (in formula (b). R5 represents a hydrogen atom, a C1-C8 linear or branched alkyl group, or a substituent represented by —CH2OR6, where R6 represents a C1-C8 linear or branched alkyl group)).Type: ApplicationFiled: April 11, 2022Publication date: May 2, 2024Inventors: Kohei Ohtani, Masakazu Shiraishi, Hitomi Muto, Saori Suzuki, Kanae Ogawa
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Publication number: 20240136325Abstract: A circuit board having a circuit pattern on a base plate and an additional metal layer laid and bonded on the circuit pattern, wherein the additional metal layer comprises an attachment plane portion configured to fix a semiconductor chip using solder, and an engagement uneven portion provided adjacent to the attachment plane portion, wherein the attachment plane portion is a face having unevenness smaller than the engagement uneven portion.Type: ApplicationFiled: January 27, 2022Publication date: April 25, 2024Inventors: Ryo TANAKA, Yuichiro YAMAUCHI, Kohei SUZUKI
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Patent number: 11965231Abstract: The steel material includes a chemical composition containing, in mass %, C: 0.15 to 0.45%, Si: 0.50% or less, Mn: 0.20 to 0.60%, P: 0.015% or less, S: 0.005% or less, Cr: 0.80 to 1.50%, Mo: 0.17 to 0.30%, V: 0.24 to 0.40%, Al: 0.005 to 0.100%, N: 0.0300% or less, O: 0.0015% or less, and the balance being Fe and impurities, and satisfying Formula (1) to Formula (4) described in Embodiment, wherein, in its microstructure, a total area fraction of ferrite and pearlite is 10.0% or more, and a proportion of a content of V (mass %) in electrolytic extraction residue to the content of V (mass %) in the chemical composition is 10.0% or less.Type: GrantFiled: December 27, 2019Date of Patent: April 23, 2024Assignees: NIPPON STEEL CORPORATION, JTEKT CORPORATIONInventors: Yutaka Neishi, Tomohiro Yamashita, Daisuke Hirakami, Takahisa Suzuki, Tatsuya Koyama, Takashi Sada, Kohei Kanetani
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Publication number: 20240092955Abstract: The invention provides a method for producing a polymer used as a base film for cell culture which comprises (i) preparing a mixture containing (a) a monomer of formula (I): wherein Ua1 and Ua2 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 5 carbon atoms, Ra1 represents a hydrogen atom or a linear or branched alkyl group having 1 to 5 carbon atoms, and Ra2 represents a linear or branched alkylene group having 1 to 5 carbon atoms, (b) a radical polymerization initiator, and (c) an organic solvent, and (ii) preparing a polymer by raising a temperature of the mixture under stirring to polymerize the monomer. The invention also provides methods of producing a base film for cell culture and a cell culture container.Type: ApplicationFiled: November 16, 2023Publication date: March 21, 2024Applicant: NISSAN CHEMICAL CORPORATIONInventors: Kohei SUZUKI, Yoshiomi HIROI, Natsuki ABE
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Patent number: 11937009Abstract: Provided is an infrared imaging device capable of reducing streak noise by calculating correction coefficients for correcting streak noise from a single image. The infrared imaging device includes: a thermal image generator to generate a single thermal image on the basis of a signal from a thermal image sensor; a correction coefficient calculator to calculate multiple correction coefficients included in a correction equation for converting pixel values of pixels included in the single thermal image into target values in which streak noise is reduced; and a thermal image corrector to correct a thermal image generated by the thermal image generator by using the multiple correction coefficients, wherein the correction coefficient calculator calculates the multiple correction coefficients on the basis of difference between pixel values of pixels arranged in a direction in which the streak noise occurs in the single thermal image.Type: GrantFiled: February 7, 2019Date of Patent: March 19, 2024Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Kohei Kurihara, Koichi Yamashita, Daisuke Suzuki
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Patent number: 11933706Abstract: A method of analyzing a metal component contained as an impurity in a polymer composition that contains a polymer and an organic solvent including a step (i) of preparing a dispersion by mixing the polymer composition with an acid aqueous solution, a step (ii) of separating the dispersion prepared in the step (i) into a dispersoid layer containing the polymer and a dispersion medium layer containing the metal component, and a step (iii) of quantifying the metal component contained in the dispersion medium layer separated in the step (ii).Type: GrantFiled: March 29, 2021Date of Patent: March 19, 2024Assignee: TOKYO OHKA KOGYO CO., LTD.Inventors: Kohei Suzuki, Isao Nouchi, Toshio Nomura
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Publication number: 20240078383Abstract: A storage device stores failures and lessons. A processor accepts input of text serving as a question sentence in a multiple-choice quiz, computes an evaluation value for a consistency between the text and each of lessons stored in the storage device, and determines one lesson to serve as a correct option in the multiple-choice quiz and at least one lesson to serve as an incorrect option in the multiple-choice quiz, based on the evaluation value for each of the plurality of lessons computed in the computing operation.Type: ApplicationFiled: August 29, 2023Publication date: March 7, 2024Inventors: SHUICHI SUZUKI, KOHEI ANDO, MITSUGU KAMIZURU, MASAKI YOSHIKOSHI, AYAKA ASANO
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Publication number: 20240069683Abstract: A noise immunity of a detected capacitance is prevented or inhibited from lowering on a driving electrode different in width from the other driving electrodes, provided in an input device. A touch panel serving as an input device has a plurality of driving electrodes extending in an X-axis direction and arranged in a Y-axis direction intersecting with the X-axis direction, and a driving electrode arranged outside one side of an arrangement of the driving electrodes and extending in the X-axis direction. Further, the touch panel TP1 has a plurality of detecting electrodes extending in the Y-axis direction and arranged in the X-axis direction. The width of the driving electrode is smaller than the widths of the driving electrodes and the detecting electrode includes an expanding portion for expanding the area of the detecting electrode on the side opposite to the plurality of driving electrodes via the driving electrode.Type: ApplicationFiled: November 7, 2023Publication date: February 29, 2024Inventors: Yasuyuki TERANISHI, Takafumi SUZUKI, Kohei AZUMI
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Patent number: 11879753Abstract: A sensor includes a handhole part and a sensor module. The handhole part includes an inner wall and a holder. The holder is located at the inner wall. The sensor module is provided in the handhole part. The sensor module includes a held part held by the holder, a housing connected with the held part, a sensor circuit provided in the housing and including a gas sensor element, and a battery configured to supply electrical power to the sensor circuit. A gap is between the inner wall and the housing and between the housing and a first member under the housing.Type: GrantFiled: February 16, 2021Date of Patent: January 23, 2024Assignee: Kabushiki Kaisha ToshibaInventors: Yosuke Akimoto, Hiroki Kudo, Hiroaki Yamazaki, Kentaro Nakajima, Kohei Suzuki
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Patent number: 11859035Abstract: The invention provides a method for producing a polymer used as a base film for cell culture which comprises (i) preparing a mixture containing (a) a monomer of formula (I): wherein Ua1 and Ua2 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 5 carbon atoms, Ra1 represents a hydrogen atom or a linear or branched alkyl group having 1 to 5 carbon atoms, and Ra2 represents a linear or branched alkylene group having 1 to 5 carbon atoms, (b) a radical polymerization initiator, and (c) an organic solvent, and (ii) preparing a polymer by raising a temperature of the mixture under stirring to polymerize the monomer. The invention also provides methods of producing a base film for cell culture and a cell culture container.Type: GrantFiled: August 22, 2019Date of Patent: January 2, 2024Assignee: NISSAN CHEMICAL CORPORATIONInventors: Kohei Suzuki, Yoshiomi Hiroi, Natsuki Abe
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Patent number: 11837668Abstract: The capacity of a MOS capacitor is increased. A semiconductor element includes a first semiconductor region, an insulation film, a gate electrode, and a second semiconductor region. The first semiconductor region is arranged on a semiconductor substrate and has a recess on the surface. The insulation film is arranged adjacent to the surface of the first semiconductor region. The gate electrode is arranged adjacent to the insulation film and constitutes a MOS capacitor with the first semiconductor region. The second semiconductor region is arranged adjacent to the first semiconductor region on the semiconductor substrate, formed in the same conductive type as the first semiconductor region, and supplies a carrier to the first semiconductor region when the MOS capacitor is charged and discharged.Type: GrantFiled: September 30, 2019Date of Patent: December 5, 2023Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Chihiro Tomita, Tomohiro Hirai, Shintaro Okamoto, Kentaro Eda, Takashi Watanabe, Kazuki Yamaguchi, Norikazu Kasahara, Kohei Suzuki
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Publication number: 20230314456Abstract: A device that supports analysis work of executing a protocol for disposing a predetermined sample in all or some predetermined sample disposing portions among a plurality of sample disposing portions provided in a sample housing member and for performing measurement, includes: a storage unit in which protocols are stored; a display unit; a protocol selection input reception unit to receive an input for selecting a protocol; a sample position display unit to display information on a position of the sample disposing portion and information on the sample corresponding to the protocol input to the protocol selection input reception unit on the display unit; a display item selection checkbox to receive selection of the information on the position of the sample disposing portion and/or the information on the sample; and a display switching unit to switch display by the sample position display unit depending on the selection.Type: ApplicationFiled: April 26, 2021Publication date: October 5, 2023Applicant: SHIMADZU CORPORATIONInventors: Tatsuki OKUBO, Tomeonori OSHIKAWA, Yuko KOBAYASHI, Yoshiki TAINAKA, Kohei SUZUKI
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Patent number: 11754033Abstract: Provided is an ignition control device capable of suppressing wear of an ignition plug due to occurrence of a re-strike without adding a component.Type: GrantFiled: February 12, 2021Date of Patent: September 12, 2023Assignee: Hitachi Astemo, Ltd.Inventors: Takayasu Matsushita, Osamu Mukaihara, Kohei Suzuki
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Patent number: 11749546Abstract: Surface inspection apparatus includes stage for holding substrate, light source, scanning optical system for scanning light from the light source along first direction for plural times, stage scanning mechanism for scanning the stage in second direction intersecting with the first direction, and detector for detect scattered light from the substrate Inspection target region of the substrate is scanned by the light from the light source by an operation of the scanning optical system and the stage scanning mechanism. Chromatic aberration of the scanning optical system is corrected to fall within predetermined wavelength range. Fluctuation range of wavelength of the light from the light source is determined based on variation in total lighting time of the light source in scanning period of each light scanning operation along the first direction. The fluctuation range falls within the predetermined wavelength range.Type: GrantFiled: September 10, 2020Date of Patent: September 5, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Kohei Suzuki, Shinichiro Hirai, Kenichi Kobayashi
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Publication number: 20230257686Abstract: The present invention is to provide a method for producing a cartilage tissue which comprises a step of providing a substrate for producing cell aggregates provided with a plurality of spots comprising a copolymer containing recurring units derived from monomers represented by the following formulae (I) and (II): [wherein Ua1, Ua, Ra1, Ra2 and Rb are as described in the specification and claims] on a substrate having an ability to suppress adhesion of cells; a step of seeding human cartilage progenitor cells which are positive for PRRX1 protein and derived from pluripotent stem cells on the substrate; a step of producing cell aggregates by culturing the cells; and a step of culturing the aggregates to produce a cartilage tissue.Type: ApplicationFiled: July 1, 2021Publication date: August 17, 2023Applicants: NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITY, KAKE EDUCATIONAL INSTITUTION, NISSAN CHEMICAL CORPORATIONInventors: Takeshi TAKARADA, Ryosuke IWAI, Kohei SUZUKI, Natsuki FUKASAWA
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Publication number: 20230213013Abstract: Provided is an ignition control device capable of suppressing wear of an ignition plug due to occurrence of a re-strike without adding a component.Type: ApplicationFiled: February 12, 2021Publication date: July 6, 2023Inventors: Takayasu MATSUSHITA, Osamu MUKAIHARA, Kohei SUZUKI
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Publication number: 20230193845Abstract: An internal combustion engine control device 110 includes a mass flux calculation unit F2, an opening area calculation unit F3, an effective opening area calculation unit F4, and a passing gas flow rate calculation unit F5. The mass flux calculation unit F2 calculates a mass flux MF of gas passing through a throttle valve 125 based on an upstream gas temperature Tu, an upstream gas pressure Pu, and a downstream gas pressure Pd of the throttle valve 125. The opening area calculation unit F3 calculates an opening area A of the throttle valve 125 based on an opening degree ? of the throttle valve 125. The effective opening area calculation unit F4 calculates an effective opening area EA of the throttle valve 125 based on the upstream gas pressure Pu, the downstream gas pressure Pd, the opening degree ?, and the opening area A. The passing gas flow rate calculation unit F5 calculates a gas flow rate GF passing through the throttle valve 125 based on the mass flux MF and the effective opening area EA.Type: ApplicationFiled: February 5, 2021Publication date: June 22, 2023Inventors: Ryutaro KOIWAI, Yoichi IIHOSHI, Kohei SUZUKI
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Publication number: 20230132727Abstract: One mode of the present invention provides a laser power adjustment method for ionization in a laser desorption/ionization mass spectrometer, the laser power adjustment method including: a measurement step (S1) in which intensity information on ions derived from a specific component in a specimen are acquired while changing laser power in n stages (n is 3 or more) for the identical specimen; and a processing step (S2, S6, and S7) in which a slope of a straight line connecting two adjacent plot points on a laser power axis is calculated in a two-axis graph in which a relationship between n ionic intensities obtained by the measurement step or a signal value, which is an SN ratio obtained from the ionic intensities, and laser power is plotted; an index value reflecting a ratio between a forward slope value, which is a slope of a straight line on a front side of the plot point, and a backward slope value, which is a slope of a straight line on a rear side, is obtained for each plot point; and appropriate laser pType: ApplicationFiled: November 26, 2020Publication date: May 4, 2023Applicant: SHIMADZU CORPORATIONInventors: Akihito KORENAGA, Ritsuko YODA, Tatsuki OKUBO, Tomonori OSHIKAWA, Yuko KOBAYASHI, Yoshiki TAINAKA, Kohei SUZUKI
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Publication number: 20230136856Abstract: The invention provides a resin molding and a method of producing the same in which sterilizability thereof is secured and discoloration (yellowing) thereof is reduced even when the resin molding is radiation-irradiated under anaerobic conditions (deoxidation conditions). The radiation-irradiated and packaged resin molding is primarily packaged with a packaging material having oxygen permeability and then secondarily packaged with an oxygen impermeable packaging material together with a deoxidizer. The method of producing a radiation-irradiated and packaged resin molding involves a step of primarily packaging a resin molding before radiation irradiation with a packaging material having oxygen permeability, a step of subsequently secondarily packaging with an oxygen impermeable packaging material together with a deoxidizer, and then a step of conducting radiation irradiation. A step of opening the secondary packaging under the atmosphere, following the radiation irradiation step, is preferred.Type: ApplicationFiled: March 24, 2021Publication date: May 4, 2023Applicant: NISSAN CHEMICAL CORPORATIONInventors: Yoshiomi HIROI, Kohei SUZUKI, Miya HIROI