Patents by Inventor Iwao Waga
Iwao Waga 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: 20190183060Abstract: The present invention provides a new glowing plant. The glowing plant of the present invention includes a fluorescent protein applied to a surface of the plant; or a fluorescent protein absorbed inside the plant. The plant is preferably a flower.Type: ApplicationFiled: September 6, 2017Publication date: June 20, 2019Applicant: NEC Solution Innovators, Ltd.Inventors: Iwao WAGA, Ayako ISHIWATA, Ikuo SHIRATORI, Akihisa SHIMIZU, Hiroshi MISHIMA
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Patent number: 10296845Abstract: The present invention provides an attribute estimation system capable of acquiring an image of a person whose attributes are to be estimated accurately and informing the person of an attribute estimation result. The attribute estimation system (1) includes: a mirror (11) equipped with an information display terminal (12); and an attribute estimation device (3). The information display terminal (12) includes an image acquisition unit. The information display terminal (12) is disposed on the mirror (11) in such a manner that the information display terminal (12) can display information on a surface of the mirror (11) and that the image acquisition unit can acquire an image of a user of the mirror (11). The information display terminal (12) and the attribute estimation device (3) can be connected to each other via a communication line network (2). The attribute estimation device (3) generates attribute information estimated from the acquired image of the user of the mirror (11).Type: GrantFiled: May 19, 2014Date of Patent: May 21, 2019Assignee: NEC SOLUTION INNOVATORS, LTD.Inventors: Iwao Waga, Tomomi Kinoshita, Mitsuhiro Fujita
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Patent number: 10295531Abstract: The present invention provides a detection instrument capable of easily detecting an intended detection object without any skilled technique. The detection instrument (1) of the present invention includes a detection portion (12), a detection reagent which develops a color by specifically reacting with a detection object in a sample is placed in the detection portion (12), positional information of the detection reagent in the detection portion (12) is information on the detection object, and color development of the detection reagent can be optically read. It is preferred that a bar code is formed in the detection portion (12), and the detection reagent is placed as a part of the bar code.Type: GrantFiled: May 2, 2016Date of Patent: May 21, 2019Assignee: NEC SOLUTIONS INNOVATORS, LTD.Inventor: Iwao Waga
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Publication number: 20190120832Abstract: A target analysis tool and a target analysis method that allow easily analysis of a target. The first target analysis tool includes: a first chamber; a second chamber; and a third chamber. The first chamber, the second chamber, and the third chamber are disposed continuously in this order. The first chamber contains, as a first reagent, an immobilized first binding substance obtained by immobilizing, on a carrier, a first binding substance that binds to a target. The second chamber contains, as a second reagent, a labeled second binding substance obtained by binding a labeling substance to a second binding substance that binds to the first binding substance. The third chamber is a detection section in which the labeled second binding substance is detected.Type: ApplicationFiled: December 31, 2018Publication date: April 25, 2019Applicant: NEC Solution Innovators, Ltd.Inventors: Iwao WAGA, Katsunori Horii, Jou Akitomi, Naoto Kaneko, Yoshihito Yoshida
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Publication number: 20190071735Abstract: The present invention provides a new target analysis method and a target analysis kit for use in the method. The target analysis method of the present invention includes: causing a specimen, a labeled binding nucleic acid molecule that binds to a target, and a carrier on which a blocking nucleic acid molecule that binds to the labeled binding nucleic acid molecule is immobilized to react; separating a fraction of the carrier and a fraction of components other than the carrier from each other; and detecting a label of the labeled binding nucleic acid molecule in at least one of the fraction of the carrier and the fraction of components other than the carrier to analyze a target in the specimen.Type: ApplicationFiled: January 20, 2017Publication date: March 7, 2019Applicant: NEC Solution Innovators, Ltd.Inventors: Yoshihito YOSHIDA, Katsunori HORII, Jou AKITOMI, Naoto KANEKO, Akihisa SHIMIZU, Tomoko FUJITA, Iwao WAGA
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Patent number: 10160996Abstract: The present invention provides a novel method that can analyze a target easily utilizing binding nucleic acid molecules and an analysis kit for use in the method. The analysis method of the present invention includes: a complex formation step of causing a binding nucleic acid molecule that binds to the target and a sample to come into contact with each other to form a complex of the binding nucleic acid molecule and the target in the sample; a nuclease treatment step of releasing a nucleic acid monomer from at least one of a complex fraction and a non-complex fraction by a nuclease treatment; an enzyme treatment step of reacting the released nucleic acid monomer with an enzyme for which the nucleic acid monomer is a substrate; a detection step of detecting the enzyme reaction; and an analysis step of analyzing the target that has formed the complex from the result of detecting the enzyme reaction.Type: GrantFiled: July 23, 2014Date of Patent: December 25, 2018Assignee: NEC Solution Innovators, Ltd.Inventors: Yoshihito Yoshida, Katsunori Horii, Iwao Waga
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Patent number: 10138480Abstract: The present invention provides a novel technique by which the redox activity of a nucleic acid molecule can be evaluated. An evaluation method of the present invention includes: a detection step of electrochemically detecting a redox reaction to a substrate, the redox reaction being catalyzed by a nucleic acid molecule to be evaluated, using a device that electrochemically detects a redox reaction; and an evaluation step of evaluating redox activity of the nucleic acid molecule from a result of the detection of the redox reaction. As the device, a device in which a base provided with a detection portion is included, the detection portion includes an electrode system, and the nucleic acid molecule to be evaluated is arranged on the base is used. In the present invention, it is preferred that a plurality of kinds of nucleic acid molecule to be evaluated is arranged on the base, and the plurality of kinds of nucleic acid molecules to be evaluated is evaluated by a single device.Type: GrantFiled: November 16, 2015Date of Patent: November 27, 2018Assignee: NEC SOLUTION INNOVATORS, LTD.Inventors: Naoto Kaneko, Katsunori Horii, Jou Akitomi, Shintarou Katou, Iwao Waga
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Publication number: 20180327746Abstract: The present invention provides a novel nucleic acid molecule that can be used for detection of ?-amylase. The ?-amylase-binding nucleic acid molecule of the present invention is characterized in that it binds to ?-amylase with a dissociation constant of 17 nM or less, and preferably includes a polynucleotide consisting of any of base sequences of SEQ ID NOs: 1 to 22, for example. According to the nucleic acid molecule of the present invention, it is possible to detect ?-amylase in saliva.Type: ApplicationFiled: September 12, 2016Publication date: November 15, 2018Applicants: NEC Solution Innovators, Ltd., Gunma UniversityInventors: Hirotaka MINAGAWA, Katsunori HORII, Jou AKITOMI, Naoto KANEKO, Ikuo SHIRATORI, Iwao WAGA, Masayasu KUWAHARA
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Publication number: 20180187206Abstract: The present invention provides a novel fluorescent protein. A novel protein includes the following protein (F1): (F1) a protein consisting of an amino acid sequence of SEQ ID NO: 1, wherein in the amino acid sequence of SEQ ID NO: 1, a 52nd amino acid Xaa52 is an arbitrary amino acid, a 133rd amino acid Xaa133 is an arbitrary amino acid, and a 154th amino acid Xaa154 is an arbitrary amino acid.Type: ApplicationFiled: June 13, 2016Publication date: July 5, 2018Applicant: NEC Solution Innovators, Ltd.Inventors: Ikuo SHIRATORI, Akihisa SHIMIZU, Katsunori HORII, Hiroshi MISHIMA, Iwao WAGA
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Patent number: 10012631Abstract: The present invention is intended to provide a novel fluorescence sensor for target analysis, a kit for target analysis, and a target analysis method using the same. The fluorescence sensor for target analysis according to the present invention includes a nucleic acid molecule that includes a G-quartet-forming nucleic acid region (D) that forms a G-quartet and a binding nucleic acid region (A) that binds to a target. In the absence of a target, formation of a G-quartet in the G-quartet-forming nucleic acid region (D) is inhibited. In the presence of a target, the target comes into contact with the binding nucleic acid region (A), the G-quartet is formed in the G-quartet-forming nucleic acid region (D) due to the contact, the G-quartet-forming region (D) and porphyrin forms a complex, and the complex generates fluorescence.Type: GrantFiled: June 27, 2014Date of Patent: July 3, 2018Assignee: NEC Solution Innovators, Ltd.Inventors: Naoto Kaneko, Ikuo Shiratori, Katsunori Horii, Jou Akitomi, Iwao Waga
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Patent number: 9880161Abstract: The present invention provides a novel sensor for detecting streptavidin (SA). The nucleic acid sensor for analyzing SA of the present invention includes the following nucleic acid element that includes a catalyst nucleic acid molecule (D) that exerts a catalytic function and a binding nucleic acid molecule (A) that binds to SA. The nucleic acid element is a double-stranded nucleic acid element including a first strand and a second strand. The first strand (ss1) includes the binding nucleic acid molecule (A), a loop-forming sequence (L1), and the catalyst nucleic acid molecule (D) linked in this order. The second strand (ss2) includes a stem-forming sequence (SA), a loop-forming sequence (L2), and a stem-forming sequence (SD) linked in this order.Type: GrantFiled: March 21, 2013Date of Patent: January 30, 2018Assignee: NEC Solution Innovators, Ltd.Inventors: Katsunori Horii, Naoto Kaneko, Jou Akitomi, Shintaro Kato, Iwao Waga
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Patent number: 9880174Abstract: The present invention provides a novel sensor for detecting a target. The nucleic acid sensor of the present invention includes a nucleic acid element that includes a catalyst nucleic acid molecule (D) that exerts a catalytic function and a binding nucleic acid molecule (A) that binds to a target. The nucleic acid element is a double-stranded nucleic acid element including a first strand and a second strand. The first strand (ss1) includes the binding nucleic acid molecule (A), a loop-forming sequence (L1), and the catalyst nucleic acid molecule (D) linked in this order. The second strand (ss2) includes a stem-forming sequence (SA), a loop-forming sequence (L2), and a stem-forming sequence (SD) linked in this order.Type: GrantFiled: December 12, 2012Date of Patent: January 30, 2018Assignee: NEC Solution Innovators, Ltd.Inventors: Katsunori Horii, Naoto Kaneko, Jou Akitomi, Shintarou Katou, Iwao Waga
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Publication number: 20170356905Abstract: A target analysis tool and a target analysis method that allow easily analysis of a target. The first target analysis tool includes: a first chamber; a second chamber; and a third chamber. The first chamber, the second chamber, and the third chamber are disposed continuously in this order. The first chamber contains, as a first reagent, an immobilized first binding substance obtained by immobilizing, on a carrier, a first binding substance that binds to a target. The second chamber contains, as a second reagent, a labeled second binding substance obtained by binding a labeling substance to a second binding substance that binds to the first binding substance. The third chamber is a detection section in which the labeled second binding substance is detected.Type: ApplicationFiled: January 22, 2016Publication date: December 14, 2017Applicant: NEC Solution Innovators, Ltd.Inventors: Iwao WAGA, Katsunori HORII, Jou AKITOMI, Naoto KANEKO, Yoshihito YOSHIDA
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Publication number: 20170335365Abstract: The present invention provides a novel method for more simply and rapidly detecting target bacterial cells by a device using a binding molecule capable of binding to the target bacterial cells. In the method, a sample is incubated in a reagent for concentration of bacteria to cause the sample to react with a fluorescently-labeled binding molecule, and a fluorescence polarization degree is then detect to detect the target, and this is performed using a bacterial detection tool. The bacterial detection tool is obtained by attaching a sample collection tool to a main body. The sample collection tool includes a collection section and a connection section that is connected to the main body. The main body includes a reagent storage chamber, a collection section storage chamber, and a connection section that is connected to the sample collection tool. The reagent storage chamber and the collection section storage chamber are separated from each other.Type: ApplicationFiled: July 23, 2015Publication date: November 23, 2017Applicant: NEC Solution Innovators, Ltd.Inventors: Yoshihito YOSHIDA, Iwao WAGA
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Patent number: 9790508Abstract: The present invention provides a novel nucleic acid molecule that can be used for detection of peanuts. The peanut-binding nucleic acid molecule of the present invention is characterized in that it binds to a peanut allergen with a dissociation constant of 10 nM or less, and preferably contains a polynucleotide consisting of any of base sequences of SEQ ID NOs: 1 to 15, for example. It is also preferable that, for example, the peanut-binding nucleic acid molecule of the present invention binds with significant specificity to the peanut allergen rather than to a soybean protein.Type: GrantFiled: June 26, 2014Date of Patent: October 17, 2017Assignee: NEC Solution Innovators, Ltd.Inventors: Tomoko Murata, Katsunori Horii, Ikuo Shiratori, Jou Akitomi, Naoto Kaneko, Iwao Waga
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Patent number: 9783807Abstract: A nucleic acid molecule utilizable for Salmonella detection is provided. The nucleic acid molecule which binds to Salmonella includes any of the following polynucleotides (a) to (d): (a) a polynucleotide composed of any of base sequences of SEQ ID NOs: 1 to 17; (b) a polynucleotide composed of a base sequence obtained by deletion, substitution, insertion, and/or addition of one or more bases in any of the base sequences in the polynucleotide (a) and is bound to Salmonella; (c) a polynucleotide composed of a base sequence having an identity of 80% or more to any of the base sequences in the polynucleotide (a) and is bound to Salmonella; and (d) a polynucleotide composed of a base sequence complementary to a polynucleotide which hybridizes to the polynucleotide (a) composed of any of the base sequences under stringent conditions and is bound to Salmonella.Type: GrantFiled: November 6, 2013Date of Patent: October 10, 2017Assignee: NEC SOLUTION INNOVATORS, LTD.Inventors: Hirotaka Minagawa, Jou Akitomi, Naoto Kaneko, Makio Furuichi, Katsunori Horii, Iwao Waga
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Patent number: 9689025Abstract: The technique by which simple analysis of an intended subject to be analyzed can be carried out is provided. In this technique, a nucleic acid element 16 for use in analysis including: a first nucleic acid part 12; and a second nucleic acid part 13 is used. In the nucleic acid element 16, the first nucleic acid part 12 is a binding part that can bind to a subject 11 to be analyzed, and the second nucleic acid part 13 is a labeling part that can distinguish between binding and non-binding of the first nucleic acid part 12 to the subject 11. It is preferred that the first nucleic acid part 12 is an aptamer against the subject 11. The subject 11 can be analyzed easily by using the nucleic acid element 16, binding the subject 11 to the first nucleic acid part 12, and then analyzing the binding with the second nucleic acid part 13.Type: GrantFiled: August 6, 2010Date of Patent: June 27, 2017Assignee: NEC Solution Innovators, Ltd.Inventors: Iwao Waga, Jou Akitomi, Makio Furuichi
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Patent number: 9637737Abstract: The present invention provides a novel technique by which the redox activity of a nucleic acid molecule can be evaluated. An evaluation method of the present invention includes: a detection step of electrochemically detecting a redox reaction to a substrate, the redox reaction being catalyzed by a nucleic acid molecule to be evaluated, using a device that electrochemically detects a redox reaction; and an evaluation step of evaluating redox activity of the nucleic acid molecule from a result of the detection of the redox reaction. As the device, a device in which a base provided with a detection portion is included, the detection portion includes an electrode system, and the nucleic acid molecule to be evaluated is arranged on the base is used. In the present invention, it is preferred that a plurality of kinds of nucleic acid molecule to be evaluated is arranged on the base, and the plurality of kinds of nucleic acid molecules to be evaluated is evaluated by a single device.Type: GrantFiled: July 2, 2012Date of Patent: May 2, 2017Assignee: NEC SOLUTION INNOVATORS, LTD.Inventors: Naoto Kaneko, Katsunori Horii, Jou Akitomi, Shintarou Katou, Iwao Waga
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Patent number: 9557339Abstract: The present invention is to provide a nucleic acid molecule having a binding affinity to a rodent-derived IgG antibody, which can be prepared easier than an antibody and has a binding affinity equivalent or superior to that of an antibody, a binder using the nucleic acid molecule, a detection reagent, and a detection kit. The nucleic acid molecule of the present invention has a binding affinity to a rodent-derived IgG antibody and has a dissociation constant of 1 ?M or less. The binder for a rodent-derived IgG antibody of the present invention includes the nucleic acid molecule of the present invention. The detection reagent for detecting a rodent-derived IgG antibody of the present invention includes the binder for a rodent-derived IgG antibody of the present invention. The detection kit for detecting a rodent-derived IgG antibody of the present invention includes the detection reagent for detecting a rodent-derived IgG antibody of the present invention.Type: GrantFiled: July 21, 2014Date of Patent: January 31, 2017Assignee: NEC Solution Innovators, Ltd.Inventors: Hiromi Takenaka, Yoshihito Yoshida, Katsunori Horii, Makio Furuichi, Hirotaka Yagi, Jou Akitomi, Mineko Yamaguchi, Shintarou Katou, Kensaku Nishikata, Iwao Waga
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Publication number: 20160298117Abstract: The present invention provides a novel nucleic acid molecule that can be used for detection of peanuts. The peanut-binding nucleic acid molecule of the present invention is characterized in that it binds to a peanut allergen with a dissociation constant of 10 nM or less, and preferably contains a polynucleotide consisting of any of base sequences of SEQ ID NOs: 1 to 15, for example. It is also preferable that, for example, the peanut-binding nucleic acid molecule of the present invention binds with significant specificity to the peanut allergen rather than to a soybean protein.Type: ApplicationFiled: June 26, 2014Publication date: October 13, 2016Applicant: NEC Solution Innovators, Ltd.Inventors: Tomoko MURATA, Katsunori HORII, Ikuo SHIRATORI, Jou AKITOMI, Naoto KANEKO, Iwao WAGA