Patents by Inventor Shigehiko Miyamoto
Shigehiko Miyamoto 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: 20230400416Abstract: Provided is, for example, an automatic determination system. The automatic determination system includes an information storage unit configured to store result-of-detection image information acquired from a chromatographic strip support tool carrying the result-of-detection image information, the result-of-detection image information representing transcribed information regarding expression information obtained on a chromatographic strip that has been through testing, and a result-of-determination deriving unit configured to check an image included in the result-of-detection image information against a data table, and derive a result of determination included in the data table and corresponding to the image.Type: ApplicationFiled: October 12, 2021Publication date: December 14, 2023Inventors: Shigehiko MIYAMOTO, Sotaro SANO
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Publication number: 20230349833Abstract: A chromatographic strip support tool (except one that includes a chromatographic strip) is provided. The chromatographic strip support tool includes a support surface that is continuous and on which the chromatographic strip can be placed, a projected portion formed on the support surface and having a first abutting portion that can abut against an extremity of the chromatographic strip placed on the support surface, the extremity being present at one end side of the chromatographic strip, and a display section formed on the support surface and displaying a detection item corresponding to a predetermined location of the chromatographic strip with the chromatographic strip being placed on the support surface in a manner that the extremity of the chromatographic strip abuts against the first abutting portion.Type: ApplicationFiled: August 11, 2021Publication date: November 2, 2023Inventors: Sotaro SANO, Shigehiko MIYAMOTO
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Patent number: 11702650Abstract: A test device is provided that can comprise: a housing accommodating a chromatography support, wherein the housing comprises: a supporting part that supports a container accommodating a liquid used for chromatography. A method is provided for performing chromatography using the test device.Type: GrantFiled: May 8, 2020Date of Patent: July 18, 2023Assignee: KANEKA CORPORATIONInventors: Sotaro Sano, Shigehiko Miyamoto, Takaaki Jikihara
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Publication number: 20230067733Abstract: One or more embodiments of the present invention are intended to dissolve the problem of lowering in reaction efficiency of the nucleic acid amplification reaction using a primer with a polynucleotide tag to prepare an amplified product of a target nucleic acid that can be detected on a solid-phase support.Type: ApplicationFiled: December 25, 2020Publication date: March 2, 2023Applicant: KANEKA CORPORATIONInventor: Shigehiko MIYAMOTO
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Patent number: 11274339Abstract: A primer set includes a terminal primer A including, in its 3?-terminal part, a nucleotide sequence that hybridizes to a 3?-terminal part of a complementary sequence of a first target nucleic acid sequence, a k-th double-headed primer including two polynucleotides linked at their 5? terminal sides, wherein one of the two polynucleotides includes, in its 3?-terminal part, a nucleotide sequence that hybridizes to a 3?-terminal part of a nucleotide sequence of a k-th target nucleic acid, and the other polynucleotide includes, in its 3?-terminal part, a nucleotide sequence that hybridizes to a 3?-terminal part of a complementary sequence of a (k+1)th target nucleic acid, and a terminal primer B including, in its 3?-terminal part, a nucleotide sequence that hybridizes to a 3?-terminal part of a nucleotide sequence of a N-th target nucleic acid.Type: GrantFiled: January 2, 2019Date of Patent: March 15, 2022Assignee: KANEKA CORPORATIONInventors: Shigehiko Miyamoto, Takashi Nishizono
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Patent number: 11154856Abstract: A test device includes a housing and a lid. The housing encloses an internal space, has a hole supporting a container accommodating liquid, and includes a perforation/incision part. The lid covers a hole-formed part of the housing. The housing and/or the lid includes a guide that guides the housing and the lid, so that the lid can migrate from the first position to the second position while covering the hole-formed part of the housing. In the first position, the lid covers the hole-formed part of the housing and the container and the container is not incised. During the migration of the lid from the first position to the second position, the container is pushed toward the perforation/incision part by the lid, and the container is incised to leak liquid into the internal space.Type: GrantFiled: January 28, 2019Date of Patent: October 26, 2021Assignee: KANEKA CORPORATIONInventors: Sotaro Sano, Shigehiko Miyamoto, Takaaki Jikihara
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Patent number: 10934541Abstract: A method for separating a nucleic acid from a specimen includes accommodating a specimen in an accommodation space provided in a nucleic acid-collecting member, transferring a treatment reagent to the nucleic acid-collecting member by connecting a treatment reagent-accommodating container to a treatment reagent-supplying opening of the nucleic acid-collecting member, obtaining a mixture by mixing the specimen and the treatment reagent in a mixing space formed by combining an inner container space of the treatment reagent-accommodating container and the accommodation space of the nucleic acid-collecting member, and pressure-feeding the mixture by reducing a volume of the inner container space of the treatment reagent-accommodating container and discharging the mixture from an mixture-discharging opening of the nucleic acid-collecting member via a carrier that adsorbs the nucleic acid released in the mixture while allowing the mixture to permeate therethrough.Type: GrantFiled: March 9, 2018Date of Patent: March 2, 2021Assignee: KANEKA CORPORATIONInventors: Motonori Okajima, Takashi Nishizono, Shigehiko Miyamoto, Hozumi Tanaka
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Patent number: 10837051Abstract: A method for producing a dry reagent composition includes preparing a reagent solution including a Good's buffer in a concentration of more than 2.5 mM, an ammonium salt, a drying protection agent, and a nucleic acid amplification enzyme, and drying the reagent solution. A method for suppressing a decrease in enzyme activity during drying includes adding a Good's buffer in a biochemical reagent comprising an ammonium salt and an enzyme prior to drying the enzyme.Type: GrantFiled: November 8, 2017Date of Patent: November 17, 2020Assignee: KANEKA CORPORATIONInventors: Tatsuya Toga, Shigehiko Miyamoto, Hozumi Tanaka
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Patent number: 10829805Abstract: An object of the invention is to provide a nucleic acid detection method which takes advantage of the high specificity of hybridization techniques, reduces the time length and the number of steps required for detection of PCR products, and allows for easy and highly accurate detection by visual observation without the need of special equipment; and a nucleic acid detection device or kit. The invention provides a method for detecting a target nucleic acid in a sample, which includes performing amplification of the target nucleic acid sequence to synthesize an amplification product having a partially double-stranded structure where a single-stranded region is added to each end of the target sequence, and hybridizing a nucleic acid sequence bound to a development medium and a nucleic acid sequence labeled with a labeling compound with the single-stranded regions of the amplification product to form a sandwich hybridization complex; and a detection device thereof.Type: GrantFiled: February 2, 2018Date of Patent: November 10, 2020Assignee: KANEKA CORPORATIONInventors: Koji Takahashi, Shigehiko Miyamoto, Takaaki Jikihara, Jun Tomono
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Publication number: 20200263164Abstract: A test device is provided that can comprise: a housing accommodating a chromatography support, wherein the housing comprises: a supporting part that supports a container accommodating a liquid used for chromatography. A method is provided for performing chromatography using the test device.Type: ApplicationFiled: May 8, 2020Publication date: August 20, 2020Inventors: Sotaro Sano, Shigehiko Miyamoto, Takaaki Jikihara
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Patent number: 10392652Abstract: Provided is a method for detecting small RNAs in a simple and highly accurate manner. Provided is a nucleic acid detection method including the following steps (a) to (c): (a) carrying out a reverse transcription reaction using a target RNA as a template and a reverse transcription primer having on its 5?-end side a sequence non-complementary to the target RNA to produce a reverse transcription product longer than the target RNA; (b) carrying out a nucleic acid amplification reaction using the reverse transcription product as a template and two primers to produce an amplified double-stranded DNA fragment having a single-stranded region at least at one end; and (c) hybridizing the single-stranded region of the amplified double-stranded DNA fragment to an oligonucleotide probe immobilized on a solid phase.Type: GrantFiled: November 21, 2014Date of Patent: August 27, 2019Assignee: KANEKA CORPORATIONInventors: Koji Takahashi, Shigehiko Miyamoto, Sotaro Sano, Jun Tomono
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Publication number: 20190168209Abstract: A test device includes a housing and a lid. The housing encloses an internal space, has a hole supporting a container accommodating liquid, and includes a perforation/incision part. The lid covers a hole-formed part of the housing. The housing and/or the lid includes a guide that guides the housing and the lid, so that the lid can migrate from the first position to the second position while covering the hole-formed part of the housing. In the first position, the lid covers the hole-formed part of the housing and the container and the container is not incised. During the migration of the lid from the first position to the second position, the container is pushed toward the perforation/incision part by the lid, and the container is incised to leak liquid into the internal space.Type: ApplicationFiled: January 28, 2019Publication date: June 6, 2019Applicant: KANEKA CORPORATIONInventors: Sotaro Sano, Shigehiko Miyamoto, Takaaki Jikihara
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Publication number: 20190119727Abstract: A primer set includes a terminal primer A including, in its 3?-terminal part, a nucleotide sequence that hybridizes to a 3?-terminal part of a complementary sequence of a first target nucleic acid sequence, a k-th double-headed primer including two polynucleotides linked at their 5? terminal sides, wherein one of the two polynucleotides includes, in its 3?-terminal part, a nucleotide sequence that hybridizes to a 3?-terminal part of a nucleotide sequence of a k-th target nucleic acid, and the other polynucleotide includes, in its 3?-terminal part, a nucleotide sequence that hybridizes to a 3?-terminal part of a complementary sequence of a (k+1)th target nucleic acid, and a terminal primer B including, in its 3?-terminal part, a nucleotide sequence that hybridizes to a 3?-terminal part of a nucleotide sequence of a N-th target nucleic acid.Type: ApplicationFiled: January 2, 2019Publication date: April 25, 2019Applicant: KANEKA CORPORATIONInventors: Shigehiko Miyamoto, Takashi Nishizono
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Patent number: 10073040Abstract: A method and a device or kit for detecting a nucleic acid, which enable simple and precise visual detection of a nucleic acid amplified by an nucleic acid amplification method, without necessity of special devices are provided. The method for detecting a nucleic acid in a sample comprises: contacting a sample with a dye to react with each other; and observing a substance produced by the reaction with visible light, and evaluating the presence or absence of a nucleic acid by eye. The device or kit for detecting a nucleic acid in a sample comprises: a carrier that holds a dye which can bind to a nucleic acid; a path for passing a sample through the carrier; and an evaluation part for observing a substance produced by the reaction between the sample and the dye with visible light, and evaluating the presence or absence of a nucleic acid by eye.Type: GrantFiled: February 15, 2013Date of Patent: September 11, 2018Assignee: KANEKA CORPORATIONInventors: Shigehiko Miyamoto, Tomohisa Kato, Koji Takahashi, Jun Tomono
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Publication number: 20180251835Abstract: A nucleic acid detection device includes at least one target detection portion and a control detection portion, wherein a first probe that captures a target nucleic acid is immobilized on the target detection portion, and wherein a second probe that captures a control nucleic acid and a third probe that captures the target nucleic acid are immobilized on the control detection portion.Type: ApplicationFiled: February 26, 2018Publication date: September 6, 2018Applicant: Kaneka CorporationInventors: Takashi Nishizono, Sotaro Sano, Shigehiko Miyamoto, Hozumi Tanaka
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Publication number: 20180201922Abstract: A method for separating a nucleic acid from a specimen includes accommodating a specimen in an accommodation space provided in a nucleic acid-collecting member, transferring a treatment reagent to the nucleic acid-collecting member by connecting a treatment reagent-accommodating container to a treatment reagent-supplying opening of the nucleic acid-collecting member, obtaining a mixture by mixing the specimen and the treatment reagent in a mixing space formed by combining an inner container space of the treatment reagent-accommodating container and the accommodation space of the nucleic acid-collecting member, and pressure-feeding the mixture by reducing a volume of the inner container space of the treatment reagent-accommodating container and discharging the mixture from an mixture-discharging opening of the nucleic acid-collecting member via a carrier that adsorbs the nucleic acid released in the mixture while allowing the mixture to permeate therethrough.Type: ApplicationFiled: March 9, 2018Publication date: July 19, 2018Applicant: Kaneka CorporationInventors: Motonori Okajima, Takashi Nishizono, Shigehiko Miyamoto, Hozumi Tanaka
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Publication number: 20180155771Abstract: An object of the invention is to provide a nucleic acid detection method which takes advantage of the high specificity of hybridization techniques, reduces the time length and the number of steps required for detection of PCR products, and allows for easy and highly accurate detection by visual observation without the need of special equipment; and a nucleic acid detection device or kit. The invention provides a method for detecting a target nucleic acid in a sample, which includes performing amplification of the target nucleic acid sequence to synthesize an amplification product having a partially double-stranded structure where a single-stranded region is added to each end of the target sequence, and hybridizing a nucleic acid sequence bound to a development medium and a nucleic acid sequence labeled with a labeling compound with the single-stranded regions of the amplification product to form a sandwich hybridization complex; and a detection device thereof.Type: ApplicationFiled: February 2, 2018Publication date: June 7, 2018Inventors: Koji TAKAHASHI, Shigehiko Miyamoto, Takaaki Jikihara, Jun Tomono
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Patent number: 9920356Abstract: An object of the invention is to provide a nucleic acid detection method which takes advantage of the high specificity of hybridization techniques, reduces the time length and the number of steps required for detection of PCR products, and allows for easy and highly accurate detection by visual observation without the need of special equipment; and a nucleic acid detection device or kit. The invention provides a method for detecting a target nucleic acid in a sample, which includes performing amplification of the target nucleic acid sequence to synthesize an amplification product having a partially double-stranded structure where a single-stranded region is added to each end of the target sequence, and hybridizing a nucleic acid sequence bound to a development medium and a nucleic acid sequence labeled with a labeling compound with the single-stranded regions of the amplification product to form a sandwich hybridization complex; and a detection device thereof.Type: GrantFiled: November 24, 2011Date of Patent: March 20, 2018Assignee: KANEKA CORPORATIONInventors: Koji Takahashi, Shigehiko Miyamoto, Takaaki Jikihara, Jun Tomono
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Publication number: 20180057857Abstract: A method for producing a dry reagent composition includes preparing a reagent solution including a Good's buffer in a concentration of more than 2.5 mM, an ammonium salt, a drying protection agent, and a nucleic acid amplification enzyme, and drying the reagent solution. A method for suppressing a decrease in enzyme activity during drying includes adding a Good's buffer in a biochemical reagent comprising an ammonium salt and an enzyme prior to drying the enzyme.Type: ApplicationFiled: November 8, 2017Publication date: March 1, 2018Applicant: Kaneka CorporationInventors: Tatsuya Toga, Shigehiko Miyamoto, Hozumi Tanaka
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Patent number: 9783844Abstract: An object of the present invention is to provide methods for amplifying and detecting a nucleic acid that allow efficient hybridization, and devices and kits for use in the methods. The present invention includes amplifying a target nucleic acid into a double-stranded nucleic acid having a single-stranded region at each end, and detecting this nucleic acid. The present invention also provides detection devices and kits that make use of these methods.Type: GrantFiled: April 26, 2013Date of Patent: October 10, 2017Assignee: Kaneka CorporationInventors: Koji Takahashi, Shigehiko Miyamoto, Takaaki Jikihara, Sotaro Sano, Jun Tomono