Patents by Inventor Shigeru Deguchi
Shigeru Deguchi 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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Patent number: 10967336Abstract: The disclosed invention is device for preparation of an emulsion and a method for producing an emulsion. The method comprises the steps of: (1) causing water and a water-insoluble substance that is to be emulsified to become freely miscible under conditions of temperature and pressure in the vicinity of the vapor-liquid critical point of water; and (2) cooling the product comprised of the water-insoluble substance and water solved each other in the presence of a surfactant to obtain a liquid comprised of the water-insoluble substance dispersed in water or a liquid comprised of water dispersed in the water-insoluble substance. The present invention provides a new device and a new method for producing emulsions with high efficiency without requiring a long period of processing or a great amount of energy.Type: GrantFiled: July 19, 2018Date of Patent: April 6, 2021Assignee: Japan Agency for Marine-Earth Science and TechnologyInventors: Shigeru Deguchi, Nao Ifuku
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Patent number: 10894981Abstract: The object is to provide a method that enables detection of unknown virus sequences and efficient detection and search of viruses. The method comprises the step of randomly fragmenting an objective double-stranded (ds) RNA to obtain dsRNA fragments; the step of subjecting the obtained dsRNA fragments to a reverse transcription reaction and then performing polymerase chain reaction (PCR) to obtain corresponding DNA fragments; and the step of subjecting the obtained DNA fragments to a sequence analysis operation to determine the sequences. The reverse transcription reaction is preferably started from the 3? ends of the dsRNA fragments.Type: GrantFiled: October 13, 2016Date of Patent: January 19, 2021Assignee: JAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECHNOLOGYInventors: Shunichi Urayama, Takuro Nunoura, Shigeru Deguchi
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Patent number: 10442873Abstract: A radical polymerization method that enables synthesis, at a high conversion rate, of polymers having a relatively uniform molecular weight and is applicable to various monomers, and an apparatus used for the method. A reaction solution containing monomer and initiator is continuously or intermittently circulated in the apparatus and is heated in a heating-initiation unit to a predetermined temperature simultaneously across a radial direction of a cross section of the flow path whereby the initiator located in a particular volume of the reaction solution is cleaved all at once. The apparatus includes a heating medium production unit 10, a heating medium-reaction solution mixing unit 20, a cooling unit 30, and a recovery unit 40 for a reaction mixture, all communicatively connected by the flow path and optionally a heating reaction unit 60, a cooling unit 70, and a recovery unit 80, all communicatively connected by the flow path.Type: GrantFiled: August 24, 2015Date of Patent: October 15, 2019Assignee: Japan Agency For Marine-Earth Science and TechnologyInventors: Shigeru Deguchi, Keigo Kinoshita
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Publication number: 20180326371Abstract: The disclosed invention is device for preparation of an emulsion and a method for producing an emulsion. The method comprises the steps of: (1) causing water and a water-insoluble substance that is to be emulsified to become freely miscible under conditions of temperature and pressure in the vicinity of the vapor-liquid critical point of water; and (2) cooling the product comprised of the water-insoluble substance and water solved each other in the presence of a surfactant to obtain a liquid comprised of the water-insoluble substance dispersed in water or a liquid comprised of water dispersed in the water-insoluble substance. The present invention provides a new device and a new method for producing emulsions with high efficiency without requiring a long period of processing or a great amount of energy.Type: ApplicationFiled: July 19, 2018Publication date: November 15, 2018Applicant: Japan Agency for Marine-Earth Science and TechnologyInventors: Shigeru DEGUCHI, Nao IFUKU
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Publication number: 20180298437Abstract: The object is to provide a method that enables detection of unknown virus sequences and efficient detection and search of viruses. The method comprises the step of randomly fragmenting an objective double-stranded (ds) RNA to obtain dsRNA fragments; the step of subjecting the obtained dsRNA fragments to a reverse transcription reaction and then performing polymerase chain reaction (PCR) to obtain corresponding DNA fragments; and the step of subjecting the obtained DNA fragments to a sequence analysis operation to determine the sequences. The reverse transcription reaction is preferably started from the 3? ends of the dsRNA fragments.Type: ApplicationFiled: October 13, 2016Publication date: October 18, 2018Applicant: JAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECHNOLOGYInventors: Shunichi Urayama, Takuro Nunoura, Shigeru Deguchi
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Patent number: 10058827Abstract: The disclosed invention is a method for producing an emulsion, comprising the steps of: (1) causing water and a water-insoluble substance that is to be emulsified to become freely miscible under conditions of temperature and pressure in the vicinity of the vapor-liquid critical point of water; and (2) cooling the product comprised of the water-insoluble substance and water solved each other in the presence of a surfactant to obtain a liquid comprised of the water-insoluble substance dispersed in water or a liquid comprised of water dispersed in the water-insoluble substance. The present invention provides a new method for producing emulsions with high efficiency without requiring a long period of processing or a great amount of energy.Type: GrantFiled: June 8, 2012Date of Patent: August 28, 2018Assignee: Japan Agency for Marine-Earth Science and TechnologyInventors: Shigeru Deguchi, Nao Ifuku
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Publication number: 20170291964Abstract: A radical polymerization method that enables synthesis, at a high conversion rate, of polymers having a relatively uniform molecular weight and is applicable to various monomers, and an apparatus used for the method. A reaction solution containing monomer and initiator is continuously or intermittently circulated in the apparatus and is heated in a heating-initiation unit to a predetermined temperature simultaneously across a radial direction of a cross section of the flow path whereby the initiator located in a particular volume of the reaction solution is cleaved all at once. The apparatus includes a heating medium production unit 10, a heating medium-reaction solution mixing unit 20, a cooling unit 30, and a recovery unit 40 for a reaction mixture, all communicatively connected by the flow path and optionally a heating reaction unit 60, a cooling unit 70, and a recovery unit 80, all communicatively connected by the flow path.Type: ApplicationFiled: August 24, 2015Publication date: October 12, 2017Applicant: Japan Agency for Marine-Earth Science and TechnologyInventors: Shigeru Deguchi, Keigo Kinoshita
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Patent number: 9139861Abstract: A cellulose gel medium having good visibility of microbial colonies, a cellulose gel culture substrate for manufacturing the cellulose gel medium, a method for manufacturing the cellulose gel culture substrate, a method for screening cellulase-producing microorganisms or cellulase activity with greater efficiency and rapidity, and a culture substrate, which includes a cellulose gel containing cellulose and water as medium-solidifying components, the cellulose has the viscosity of 12 to 35 mPa·S as measured at 26° C. with a solution prepared by dissolving the cellulose at a concentration of 2.5 mg/mL in dimethylacetamide containing 8% (W/V) lithium chloride.Type: GrantFiled: October 24, 2011Date of Patent: September 22, 2015Assignees: Japan Agency for Marine-Earth Science and Technology, Kyokuto Pharmaceutical Industrial Co., Ltd.Inventors: Kazunori Nagaki, Yasunori Kurosawa, Takuo Shiraishi, Shigeru Deguchi, Mikiko Tsudome
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Publication number: 20150050680Abstract: Providing is a new enzyme assay method for enzymes having a water-insoluble or substantially water-insoluble substrate. In the method for measuring enzymatic activity, a prescribed amount of an enzyme is disposed on a part of the surface of a gel comprising dispersoids, at least some of which are the substrate of the enzyme. Recesses formed in the surface of the gel by the action of the enzyme are measured, and the enzyme activity is calculated on the basis of the measurement results and the amount of the enzyme. The measurement of the recesses formed in the surface of the gel is performed using a method for measuring the shape and the volume of the recesses, a method for measuring changes in the optical transmittance of the gel due to the formation of the recesses, or a method for measuring changes in the optical reflectance of the gel surface due to the formation of the recesses.Type: ApplicationFiled: February 20, 2013Publication date: February 19, 2015Applicants: Japan Agency for Marine-Earth Science and Technology, Kyokuto Pharmaeutical Industrial Co., Ltd.Inventors: Shigeru Deguchi, Mikiko Tsudome, Kazunori Nagaki, Nemuri Todaka, Yasunori Kurosawa
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Patent number: 8856042Abstract: A method includes obtaining an image to be compared at the time of use which is intended for comparing biometric information at the time of use of a user, obtaining posture information at the time of use which indicates a posture when biometric information at the time of use of the user is shot, performing personal authentication for the user by comparing the image to be compared at the time of use with a preregistered image to be compared at the time of registration of the user, and inputting an operation instruction corresponding to operation information preregistered in association with posture information at the time of registration which is determined to match, by comparing the posture information at the time of use with a plurality of pieces of preregistered posture information at the time of registration of the user.Type: GrantFiled: October 25, 2010Date of Patent: October 7, 2014Assignee: Fujitsu Frontech LimitedInventors: Shigeru Deguchi, Tsuyahiko Shimada, Kazuya Ogawa
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Publication number: 20140296356Abstract: The disclosed invention is a method for producing an emulsion, comprising the steps of: (1) causing water and a water-insoluble substance that is to be emulsified to become freely miscible under conditions of temperature and pressure in the vicinity of the vapor-liquid critical point of water; and (2) cooling the product comprised of the water-insoluble substance and water solved each other in the presence of a surfactant to obtain a liquid comprised of the water-insoluble substance dispersed in water or a liquid comprised of water dispersed in the water-insoluble substance. The present invention provides a new method for producing emulsions with high efficiency without requiring a long period of processing or a great amount of energy.Type: ApplicationFiled: June 8, 2012Publication date: October 2, 2014Applicant: Japan Agency for Marine-Earth Science and TechnologyInventors: Shigeru Deguchi, Nao Ifuku
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Publication number: 20130323768Abstract: A cellulose gel medium having good visibility of microbial colonies, a cellulose gel culture substrate for manufacturing the cellulose gel medium, a method for manufacturing the cellulose gel culture substrate, a method for screening cellulase-producing microorganisms or cellulase activity with greater efficiency and rapidity, and a culture substrate, which includes a cellulose gel containing cellulose and water as medium-solidifying components, the cellulose has the viscosity of 12 to 35 mPa·S as measured at 26° C. with a solution prepared by dissolving the cellulose at a concentration of 2.5 mg/mL in dimethylacetamide containing 8% (W/V) lithium chloride.Type: ApplicationFiled: October 24, 2011Publication date: December 5, 2013Applicants: Japan Agency for Marine-Earth Science and Technology, Kyokuto Pharmaceutical Industrial Co., Ltd.Inventors: Kazunori Nagaki, Yasunori Kurosawa, Takuo Shiraishi, Shigeru Deguchi, Mikiko Tsudome
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Publication number: 20110106700Abstract: A method includes obtaining an image to be compared at the time of use which is intended for comparing biometric information at the time of use of a user, obtaining posture information at the time of use which indicates a posture when biometric information at the time of use of the user is shot, performing personal authentication for the user by comparing the image to be compared at the time of use with a preregistered image to be compared at the time of registration of the user, and inputting an operation instruction corresponding to operation information preregistered in association with posture information at the time of registration which is determined to match, by comparing the posture information at the time of use with a plurality of pieces of preregistered posture information at the time of registration of the user.Type: ApplicationFiled: October 25, 2010Publication date: May 5, 2011Applicant: FUJITSU FRONTECH LIMITEDInventors: Shigeru Deguchi, Tsuyahiko Shimada, Kazuya Ogawa
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Patent number: 7790457Abstract: The present invention relates to a solid medium containing as a medium-solidifying component a cellulose gel, in particular a cellulose gel which is a porous cellulose gel structure containing cellulose as the skeletal part and having a cellulose concentration of 0.01% or higher and a porosity of 50% or higher, as well as a process for producing the same. The solid medium of the invention can be obtained by dispersing cellulose in a solvent, especially an aqueous thiocyanate salt solution, stirring and/or heating the dispersion to dissolve the cellulose, subsequently cooling the solution and/or removing the solvent to cause the solution to gel, and permeating nutrients into the resultant cellulose gel. The solid medium usable under a wide range of culture conditions where conventional solid media such as agar medium cannot be used, as well as a method for producing the same is provided.Type: GrantFiled: February 28, 2005Date of Patent: September 7, 2010Assignee: Japan Agency for Marine-Earth Science and TechnologyInventors: Shigeru Deguchi, Mikiko Tsudome, Susumu Ito, Koki Horikoshi
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Patent number: 7343984Abstract: A core sample collector includes a cylinder and a piston, wherein the piston includes a piston body, upper piston rings and lower piston rings, and a sterilizing agent is held in a space defined between the piston, the cylinder, the upper piston ring and the lower piston ring. The sterilizing agent may be an antimicrobial polymeric gel. A core sample is collected by contacting the cylinder against a surface from which the core sample is to be taken, and causing relative movement between the cylinder and the piston such that: (i) the sterilizing agent is applied to the inner peripheral wall surface of the cylinder, (ii) the upper and lower piston rings scrape the sterilizing agent from the inner peripheral wall, and (iii) a core is received in the cylinder.Type: GrantFiled: February 3, 2004Date of Patent: March 18, 2008Assignee: Independent Administrative Institution, Japan Agency for Marine-Earth Science and TechnologyInventors: Noriaki Masui, Shigeru Deguchi, Kaoru Tsujii, Hiroshi Kitazato
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Patent number: 7308951Abstract: Disclosed herein is a method of coring a crustal core sample, which comprises using a crustal core sampler equipped with a flow-able coating material-ejecting mechanism for ejecting a flow-able coating material, and ejecting the flow-able coating material composed of a polymer substance having a colloidal particles capturing ability by aggregating function and a water-absorbing polymer substance, from the flow-able coating material-ejecting mechanism of the crustal core sampler thereby coring a crustal core sample in a state coated with the flow-able coating material.Type: GrantFiled: February 22, 2005Date of Patent: December 18, 2007Assignee: Independent Administrative Institution, Japan Agency for Marine-Earth Science and TechnologyInventors: Noriaki Masui, Shigeru Deguchi, Kaoru Tsujii
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Publication number: 20070172938Abstract: The present invention relates to a solid medium containing as a medium-solidifying component a cellulose gel, in particular a cellulose gel which is a porous cellulose gel structure containing cellulose as the skeletal part and having a cellulose concentration of 0.01% or higher and a porosity of 50% or higher, as well as a process for producing the same. The solid medium of the invention can be obtained by dispersing cellulose in a solvent, especially an aqueous thiocyanate salt solution, stirring and/or heating the dispersion to dissolve the cellulose, subsequently cooling the solution and/or removing the solvent to cause the solution to gel, and permeating nutrients into the resultant cellulose gel. The solid medium usable under a wide range of culture conditions where conventional solid media such as agar medium cannot be used, as well as a method for producing the same is provided.Type: ApplicationFiled: February 28, 2005Publication date: July 26, 2007Applicant: Japan Agency For Marine-Earth ScienceInventors: Shigeru Deguchi, Mikiko Tsudome, Susumu Ito, Koki Horikoshi
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Patent number: 7013993Abstract: A method of taking a crustal core sample, wherein the crustal core sample is obtained in a state coated with an antimicrobial polymeric gel formed of a polymer and an inorganic antimicrobial agent dispersed in the polymer. The inorganic antimicrobial agent is a compound containing at least one of silver, zinc or ions thereof. The inorganic antimicrobial agent is carried on a carrier material. The polymer forming the antimicrobial polymeric gel contains a hydrophilic group, and the antimicrobial polymeric gel contains the inorganic antimicrobial agent in a proportion of 0.0001 to 10.0 mass %.Type: GrantFiled: January 30, 2003Date of Patent: March 21, 2006Assignee: Independent Administrative Institution, Japan Agency for Marine-Earth Science and TechnologyInventors: Noriaki Masui, Shigeru Deguchi, Kaoru Tsujii, Koki Horikoshi
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Publication number: 20050183886Abstract: Disclosed herein is a method of coring a crustal core sample, which comprises using a crustal core sampler equipped with a flow-able coating material-ejecting mechanism for ejecting a flow-able coating material, and ejecting the flow-able coating material composed of a polymer substance having a colloidal particles capturing ability by aggregating function and a water-absorbing polymer substance, from the flow-able coating material-ejecting mechanism of the crustal core sampler thereby coring a crustal core sample in a state coated with the flow-able coating material.Type: ApplicationFiled: February 22, 2005Publication date: August 25, 2005Applicant: INDEPENDENT ADMINISTRATIVE INSTITUTION JAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECHNOLOGYInventors: Noriaki Masui, Shigeru Deguchi, Kaoru Tsujii
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Publication number: 20050106751Abstract: Disclosed herein is a core sample collector comprising a cylinder and a piston, wherein the piston is equipped with a sterilizing agent-applying mechanism and a sterilizing agent-scraping member. The piston is composed of a piston body, upper piston rings and lower piston rings, and the sterilizing agent-applying mechanism is preferably made up by holding the sterilizing agent within a space partitioned by the upper piston ring and the lower piston ring. The sterilizing agent is preferably an antimicrobial polymeric gel. A method of taking a core sample, comprising using the core sample collector is also disclosed.Type: ApplicationFiled: February 3, 2004Publication date: May 19, 2005Applicant: JAPAN MARINE SCIENCE & TECHNOLOGY CENTERInventors: Noriaki Masui, Shigeru Deguchi, Kaoru Tsujii, Hiroshi Kitazato