Patents by Inventor Naoyuki Nishikawa
Naoyuki 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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Publication number: 20220196523Abstract: An immunochromatography including steps of mixing an antigen-containable specimen and modified magnetic particles, which are magnetic particles modified with a substance having a specific affinity to the antigen; collecting the magnetic particles using magnetism; dissociating the modified magnetic particles to obtain an antigen-concentrated solution by mixing the collected magnetic particles with a dissociation solution, an amount of which is smaller than the antigen-containable specimen; obtaining a neutralized antigen-concentrated solution; spreading gold particle composite bodies on an insoluble carrier having a reaction site at which a second binding substance has been immobilized, in a state where the gold particle composite bodies which are composite bodies of an antigen in the neutralized antigen-concentrated solution and modified gold particles which are gold particles modified with a first binding substance are formed; capturing the gold particle composite bodies at the reaction site; and silver-amplType: ApplicationFiled: March 9, 2022Publication date: June 23, 2022Applicant: FUJIFILM CorporationInventors: Yoshihiro ABURAYA, Naoyuki NISHIKAWA, Junichi KATADA, Atsuhiko WADA, Dai UJIHARA
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Publication number: 20220196643Abstract: The immunological test method includes a concentration step of concentrating an antigen-containable solution by mixing the antigen-containable solution with a superabsorbent polymer to obtain an antigen-concentrated solution, and a detection step of detecting an antigen in the antigen-concentrated solution using an antigen-antibody reaction, in which a swelling ratio of the superabsorbent polymer is more than 0.2 g/g and less than 800 g/g, and an antibody that is used in the antigen-antibody reaction is a monoclonal antibody.Type: ApplicationFiled: March 9, 2022Publication date: June 23, 2022Applicant: FUJIFILM CorporationInventors: Yoshihiro ABURAYA, Naoyuki NISHIKAWA, Junichi KATADA, Atsuhiko WADA, Dai UJIHARA
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Publication number: 20220196647Abstract: An immunochromatography including steps of mixing an antigen-containable specimen and modified magnetic particles, which are magnetic particles modified with a monoclonal antibody X; collecting the magnetic particles from the mixture using magnetism; dissociating the modified magnetic particles to obtain an antigen-containing solution; neutralizing the antigen-containing solution to obtaina neutralized antigen-containing solution; spreading gold particle composite bodies on an insoluble carrier having a reaction site at which a monoclonal antibody Z has been immobilized, wherein the gold particle composite body is a composite body of the antigen and a modified gold particle which is a gold particle modified with a monoclonal antibody Y; capturing the gold particle composite bodies at the reaction site; and silver-amplifying the gold particle composite body, in which the antibody X and the antibody Y are different from each other, and the antibody X and the antibody Z are different from each other.Type: ApplicationFiled: March 9, 2022Publication date: June 23, 2022Applicant: FUJIFILM CorporationInventors: Yoshihiro ABURAYA, Naoyuki NISHIKAWA, Junichi KATADA, Atsuhiko WADA, Dai UJIHARA
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Publication number: 20220011303Abstract: An object of the present invention is to provide immunochromatography exhibiting excellent magnetic detection sensitivity.Type: ApplicationFiled: September 28, 2021Publication date: January 13, 2022Applicant: FUJIFILM CorporationInventors: Yoshihiro ABURAYA, Naoyuki NISHIKAWA, Junichi KATADA, Dai UJIHARA, Atsuhiko WADA
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Publication number: 20210208138Abstract: An object of the present invention is to provide a composite particle for an immunochromatography which has excellent spreadability, a method for manufacturing the same, and an immunochromatography using the composite particle for an immunochromatography. A composite particle for an immunochromatography of the present invention is a composite particle for an immunochromatography in which magnetic particles having an average particle size of 500 nm or less and gold particles having an average particle size of 500 nm or less are bound via an organic substance.Type: ApplicationFiled: March 18, 2021Publication date: July 8, 2021Applicant: FUJIFILM CorporationInventors: Yoshihiro ABURAYA, Naoyuki NISHIKAWA, Junichi KATADA, Hiroyuki CHIKU, Ayumi ERA
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Publication number: 20210148820Abstract: An object of the invention is to provide a method for detecting an objective substance, by which a plurality of kinds of objective substances can be detected by a single detection, in the detection of an objective substance from an analyte by utilizing magnetic force.Type: ApplicationFiled: January 20, 2021Publication date: May 20, 2021Applicant: FUJIFILM CorporationInventors: Naoyuki NISHIKAWA, Yoshihiro ABURAYA, Kenichi MORIWAKI
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Patent number: 9974862Abstract: An object of the present invention is to provide lipid particles which have low cytotoxicity, can stably hold nucleic acid molecules outside cells, and can promptly release nucleic acids in cytoplasm after escaping from endosome, and a nucleic acid delivery carrier. According to the present invention, there are provided lipid particles containing a compound represented by the following General Formula (1), sterol, at least one lipid selected from the group consisting of a neutral lipid and a lipid having a polyethylene glycol chain, and nucleic acids, and a nucleic acid delivery carrier. In the formula, R1 and R2 are the same as or different from each other, and are alkyl groups having 10 to 22 carbon atoms.Type: GrantFiled: January 13, 2017Date of Patent: May 22, 2018Assignee: FUJIFILM CorporationInventors: Naoyuki Nishikawa, Makoto Ono, Susumu Sugiyama, Yoshihide Iwaki
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Patent number: 9795566Abstract: Provided are a novel imidazole compound which has a high stability of the compound itself; and a novel imidazole compound which is useful as a membrane-constituting lipid of liposomes. Disclosed are a compound represented by the following General Formula (1), and a liposome containing the same compound. In the formula, Z is an imidazolyl group which may be substituted, L1 is an alkylene group having 1 to 4 carbon atoms which may be substituted, X is an oxygen atom or a nitrogen-containing substituent, n is an integer of 2 to 4, m is an integer of 1 to 20, L2 is a divalent linking group having 1 to 6 carbon atoms, Y is a nitrogen-containing group, R1 and R2 are a hydrogen group or an alkyl group having 1 to 6 carbon atoms, R3 is a hydrogen atom or a substituent, and R4 and R5 are an alkyl group having 1 to 40 carbon atoms.Type: GrantFiled: January 13, 2017Date of Patent: October 24, 2017Assignee: FUJIFILM CorporationInventors: Toyohisa Oya, Ayumi Ishiyama, Naoyuki Nishikawa
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Patent number: 9785388Abstract: Image processing apparatus and method capable of performing high-speed printing while suppressing an increase of memory size are provided. The image processing apparatus comprises: a page processing unit to perform processes of a plurality of pages in parallel; a load deciding unit to detect a load level in the page processing unit, for each page; and a controlling unit to control the page processing unit depending on a detection result by the load deciding unit, wherein the page processing unit assigns a thread of an edge extraction process to one or more image data in the page to be processed, and synthesizes an edge of each image data extracted by the thread, and the controlling unit comprises a thread priority order designating unit configured to designate priority order of the thread assigned by the page processing unit, depending on a result of the detection by the load deciding unit.Type: GrantFiled: November 17, 2015Date of Patent: October 10, 2017Assignee: CANON KABUSHIKI KAISHAInventor: Naoyuki Nishikawa
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Publication number: 20170119887Abstract: An object of the present invention is to provide lipid particles which have low cytotoxicity, can stably hold nucleic acid molecules outside cells, and can promptly release nucleic acids in cytoplasm after escaping from endosome, and a nucleic acid delivery carrier. According to the present invention, there are provided lipid particles containing a compound represented by the following General Formula (1), sterol, at least one lipid selected from the group consisting of a neutral lipid and a lipid having a polyethylene glycol chain, and nucleic acids, and a nucleic acid delivery carrier. In the formula, R1 and R2 are the same as or different from each other, and are alkyl groups having 10 to 22 carbon atoms.Type: ApplicationFiled: January 13, 2017Publication date: May 4, 2017Applicant: FUJIFILM CorporationInventors: Naoyuki NISHIKAWA, Makoto ONO, Susumu SUGIYAMA, Yoshihide IWAKI
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Publication number: 20170121714Abstract: An object of the present invention is to provide a method for producing lipid particles which can hold nucleic acids or the like at a high inclusion rate, and a nucleic acid delivery carrier having the lipid particles. According to the present invention, there is provided a method for producing lipid particles including nucleic acids, the method including the following steps of (1) to (4): (1) a step of heating an oil phase containing a phospholipid, an alcohol, and an ester; (2) a step of mixing an oil phase prepared in step (1) with a water phase containing nucleic acids; (3) a step of cooling the mixed liquid which contains the oil phase and the water phase and has been obtained in step (2), and crystallizing lipid particles; and (4) a step of removing the alcohol and the ester from the mixed liquid Which contains the oil phase and the water phase and has been obtained in step (3).Type: ApplicationFiled: January 13, 2017Publication date: May 4, 2017Applicant: FUJIFILM CorporationInventors: Naoyuki NISHIKAWA, Susumu SUGIYAMA, Takahiro SEKIGUCHI, Makoto ONO
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Publication number: 20170119667Abstract: Provided are a novel imidazole compound which has a high stability of the compound itself; and a novel imidazole compound which is useful as a membrane-constituting lipid of liposomes. Disclosed are a compound represented by the following General Formula (1), and a liposome containing the same compound. In the formula, Z is an imidazolyl group which may be substituted, L1 is an alkylene group having 1 to 4 carbon atoms which may be substituted, X is an oxygen atom or a nitrogen-containing substituent, n is an integer of 2 to 4, m is an integer of 1 to 20, L2 is a divalent linking group having 1 to 6 carbon atoms, Y is a nitrogen-containing group, R1 and R2 are a hydrogen group or an alkyl group having 1 to 6 carbon atoms, R3 is a hydrogen atom or a substituent, and R4 and R5 are an alkyl group having 1 to 40 carbon atoms.Type: ApplicationFiled: January 13, 2017Publication date: May 4, 2017Applicant: FUJIFILM CorporationInventors: Toyohisa OYA, Ayumi ISHIYAMA, Naoyuki NISHIKAWA
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Patent number: 9542127Abstract: A page containing a large number of graphics and therefore having a high process load can be processed in parallel and quickly by dividing an edge extraction process into a plurality of threads. In this case, if the number of cores is eight, the edge extraction process is performed by allocating four cores to one of regions obtained by dividing a page and the remaining four cores to the other region.Type: GrantFiled: May 13, 2015Date of Patent: January 10, 2017Assignee: CANON KABUSHIKI KAISHAInventor: Naoyuki Nishikawa
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Patent number: 9540638Abstract: The present invention provides a lipid particle which has low cytotoxicity, can stably hold a nucleic acid molecule outside a cell (in blood), and can escape from an endosome and rapidly release the nucleic acid in the cytoplasm; a nucleic acid transfer carrier; a compound for manufacturing a nucleic acid transfer carrier; a method for manufacturing a lipid particle; and a gene transfer method. The lipid particle contains, as constituents, a phospholipid having one or more amino groups and one or more nitrogen-containing heterocyclic groups, a neutral lipid not containing a nitrogen-containing heterocyclic group, a sterol, and a nucleic acid.Type: GrantFiled: June 25, 2014Date of Patent: January 10, 2017Assignee: FUJIFILM CorporationInventors: Naoyuki Nishikawa, Kyoko Senga, Yuuki Inoue, Yuko Igarashi
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Publication number: 20160139862Abstract: Image processing apparatus and method capable of performing high-speed printing while suppressing an increase of memory size are provided. The image processing apparatus comprises: a page processing unit to perform processes of a plurality of pages in parallel; a load deciding unit to detect a load level in the page processing unit, for each page; and a controlling unit to control the page processing unit depending on a detection result by the load deciding unit, wherein the page processing unit assigns a thread of an edge extraction process to one or more image data in the page to be processed, and synthesizes an edge of each image data extracted by the thread, and the controlling unit comprises a thread priority order designating unit configured to designate priority order of the thread assigned by the page processing unit, depending on a result of the detection by the load deciding unit.Type: ApplicationFiled: November 17, 2015Publication date: May 19, 2016Inventor: Naoyuki Nishikawa
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Patent number: 9217919Abstract: A radiation-sensitive composition including a compound (P) having a partial structure (A) having an ionic structural site and capable of decomposing upon irradiation with an actinic ray or radiation to generate an acid and a partial structure (B) having at least one phenolic hydroxyl group, a part or all of hydrogen atoms of the hydroxyl group or groups each being protected by a group capable of leaving by the action of an acid, wherein the ionic structural site of the partial structure (A) contained in the compound (P) is a structure capable of generating an acid anion in the compound (P) upon irradiation with an actinic ray or radiation; a pattern-forming method using the same; and a resin which is used in the composition.Type: GrantFiled: August 26, 2009Date of Patent: December 22, 2015Assignee: FUJIFILM CorporationInventors: Hidenori Takahashi, Tomotaka Tsuchimura, Toru Tsuchihashi, Katsuhiro Yamashita, Naoyuki Nishikawa
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Patent number: 9218554Abstract: A method for image processing executed by an image processing apparatus includes sequentially receiving PDL data and transferring a figure included in the PDL data to processing in a subsequent stage, assigning edge extraction processing as a unit of processing for extracting edge information for each transferred figure, merging the edge information extracted from each figure, spooling the merged data in a tile format as intermediate data, and reading out the intermediate data in the tile format from spooling process and performing processing on each tile to generate a pixel from the intermediate data.Type: GrantFiled: July 17, 2014Date of Patent: December 22, 2015Assignee: Canon Kabushiki KaishaInventor: Naoyuki Nishikawa
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Publication number: 20150331643Abstract: A page containing a large number of graphics and therefore having a high process load can be processed in parallel and quickly by dividing an edge extraction process into a plurality of threads. In this case, if the number of cores is eight, the edge extraction process is performed by allocating four cores to one of regions obtained by dividing a page and the remaining four cores to the other region.Type: ApplicationFiled: May 13, 2015Publication date: November 19, 2015Inventor: Naoyuki Nishikawa
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Patent number: 9145417Abstract: An optical performance humidity dependency improving agent for cellulose acylate film, which contains a compound having a nucleic acid base skeleton, is capable of preventing the fluctuation of Re and Rth of the film against the humidity change in usage environments.Type: GrantFiled: April 21, 2011Date of Patent: September 29, 2015Assignee: FUJIFILM CORPORATIONInventors: Masato Nagura, Aiko Yoshida, Naoyuki Nishikawa
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Publication number: 20150004695Abstract: The present invention provides a lipid particle which has low cytotoxicity, can stably hold a nucleic acid molecule outside a cell (in blood), and can escape from an endosome and rapidly release the nucleic acid in the cytoplasm; a nucleic acid transfer carrier; a compound for manufacturing a nucleic acid transfer carrier; a method for manufacturing a lipid particle; and a gene transfer method. The lipid particle contains, as constituents, a phospholipid having one or more amino groups and one or more nitrogen-containing heterocyclic groups, a neutral lipid not containing a nitrogen-containing heterocyclic group, a sterol, and a nucleic acid.Type: ApplicationFiled: June 25, 2014Publication date: January 1, 2015Inventors: Naoyuki NISHIKAWA, Kyoko SENGA, Yuuki INOUE, Yuko IGARASHI