Patents by Inventor Junpei Kishimoto
Junpei Kishimoto 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: 10179924Abstract: A method of producing a sugar liquid includes hydrolyzing with a filamentous fungus-derived cellulase a product obtained by adding a water-soluble inorganic salt(s) to a pretreated product of cellulose to a final concentration of 5 to 35 g/L; and subjecting the hydrolysate to solid-liquid separation and filtering the obtained solution component through an ultrafiltration membrane to recover the filamentous fungus-derived cellulase as a non-permeate and to obtain a sugar liquid as a permeate.Type: GrantFiled: March 28, 2012Date of Patent: January 15, 2019Assignee: Toray Industries, Inc.Inventors: Hiroyuki Kurihara, Junpei Kishimoto, Katsushige Yamada
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Patent number: 10087469Abstract: A method of producing a sugar solution includes a pretreatment step of treating cellulosic biomass with a treatment agent containing ammonia to obtain an ammonia-treated product, an ammonia-treated sugar solution preparation step of enzymatically saccharifying the ammonia-treated product to obtain an ammonia-treated sugar solution, and a purified sugar solution preparation step of removing coumaramide and/or ferulamide in the ammonia-treated sugar solution by purification to obtain a purified sugar solution having a concentration of coumaramide and/or ferulamide of 10 to 1,100 ppm.Type: GrantFiled: February 12, 2013Date of Patent: October 2, 2018Assignee: Toray Industries, Inc.Inventors: Masahiro Niwa, Sho Shindo, Takanori Nishida, Junpei Kishimoto, Atsushi Minamino, Hiroyuki Kurihara, Katsushige Yamada
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Patent number: 9963728Abstract: A method of producing a filter aid includes: (A) obtaining a pretreated biomass by pulverization treatment and/or thermochemical treatment of a cellulose-containing biomass; (B) treating the pretreated biomass obtained in (A) with cellulase to obtain a cellulase-treated product; and (C) obtaining a solid content of the cellulase-treated product of (B).Type: GrantFiled: July 27, 2012Date of Patent: May 8, 2018Assignee: Toray Industries, Inc.Inventors: Atsushi Minamino, Hiroyuki Kurihara, Katsushige Yamada, Junpei Kishimoto
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Patent number: 9926613Abstract: A method of producing a sugar liquid includes filtering a sugar liquid through a nanofiltration membrane and collecting a sugar liquid from the feed side, wherein a sugar liquid containing an organic liquid compound having a relative dielectric constant of not less than 17 at 25° C. is filtered through the nanofiltration membrane.Type: GrantFiled: April 25, 2013Date of Patent: March 27, 2018Assignee: Toray Industries, Inc.Inventors: Junpei Kishimoto, Hiroyuki Kurihara, Atsushi Minamino, Katsushige Yamada
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Patent number: 9598740Abstract: A method of producing a sugar liquid, includes filtering a cellulose-derived sugar liquid through one or more separation membranes selected from the group consisting of ultrafiltration membranes, nanofiltration membranes and reverse osmosis membranes, and washing the separation membrane(s) after filtration with warm water at a temperature of not less than 50° C.Type: GrantFiled: February 17, 2012Date of Patent: March 21, 2017Assignee: Toray Industries, Inc.Inventors: Junpei Kishimoto, Hiroyuki Kurihara, Atsushi Minamino, Katsushige Yamada
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Patent number: 9499783Abstract: A sugar solution production apparatus includes a saccharification tank that obtains a saccharified solution containing a solid substance from a cellulose-containing biomass, a solid-liquid separator that separates the solid substance from the saccharified solution to obtain a sugar solution, an enzyme recovery solution tank that stores an enzyme recovery solution, a sugar solution extraction line that extracts the sugar solution from the solid-liquid separator, a warm water supply unit that supplies warm water to the solid-liquid separator, an enzyme recovery solution supply line that supplies the enzyme recovery solution from the enzyme recovery solution tank to the solid-liquid separator, an enzyme recovery solution recovery line that feeds the enzyme recovery solution containing the saccharifying enzyme recovered from the solid substance to the enzyme recovery solution tank, and an enzyme recovery solution return line that returns the enzyme recovery solution to the saccharification tank.Type: GrantFiled: September 13, 2012Date of Patent: November 22, 2016Assignee: Toray Industries, Inc.Inventors: Atsushi Minamino, Junpei Kishimoto, Hiroyuki Kurihara, Katsushige Yamada
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Publication number: 20150083118Abstract: A method of producing a sugar liquid includes filtering a sugar liquid through a nanofiltration membrane and collecting a sugar liquid from the feed side, wherein a sugar liquid containing an organic liquid compound having a relative dielectric constant of not less than 17 at 25° C. is filtered through the nanofiltration membrane.Type: ApplicationFiled: April 25, 2013Publication date: March 26, 2015Inventors: Junpei Kishimoto, Hiroyuki Kurihara, Atsushi Minamino, Katsushige Yamada
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Publication number: 20150004647Abstract: A method of producing a sugar solution includes a pretreatment step of treating cellulosic biomass with a treatment agent containing ammonia to obtain an ammonia-treated product, an ammonia-treated sugar solution preparation step of enzymatically saccharifying the ammonia-treated product to obtain an ammonia-treated sugar solution, and a purified sugar solution preparation step of removing coumaramide and/or ferulamide in the ammonia-treated sugar solution by purification to obtain a purified sugar solution having a concentration of coumaramide and/or ferulamide of 10 to 1,100 ppm.Type: ApplicationFiled: February 12, 2013Publication date: January 1, 2015Inventors: Masahiro Niwa, Sho Shindo, Takanori Nishida, Junpei Kishimoto, Atsushi Minamino, Hiroyuki Kurihara, Katsushige Yamada
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Publication number: 20140342444Abstract: A sugar solution production apparatus includes a saccharification tank that obtains a saccharified solution containing a solid substance from a cellulose-containing biomass, a solid-liquid separator that separates the solid substance from the saccharified solution to obtain a sugar solution, an enzyme recovery solution tank that stores an enzyme recovery solution, a sugar solution extraction line that extracts the sugar solution from the solid-liquid separator, a warm water supply unit that supplies warm water to the solid-liquid separator, an enzyme recovery solution supply line that supplies the enzyme recovery solution from the enzyme recovery solution tank to the solid-liquid separator, an enzyme recovery solution recovery line that feeds the enzyme recovery solution containing the saccharifying enzyme recovered from the solid substance to the enzyme recovery solution tank, and an enzyme recovery solution return line that returns the enzyme recovery solution to the saccharification tank.Type: ApplicationFiled: September 13, 2012Publication date: November 20, 2014Applicant: TORAY INDUSTRIES, INC.Inventors: Atsushi Minamino, Junpei Kishimoto, Hiroyuki Kurihara, Katsushige Yamada
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Publication number: 20140158642Abstract: A method of producing a filter aid includes: (A) obtaining a pretreated biomass by pulverization treatment and/or thermochemical treatment of a cellulose-containing biomass; (B) treating the pretreated biomass obtained in (A) with cellulase to obtain a cellulase-treated product; and (C) obtaining a solid content of the cellulase-treated product of (B).Type: ApplicationFiled: July 27, 2012Publication date: June 12, 2014Applicant: TORAY INDUSTRIES, INC.Inventors: Atsushi Minamino, Hiroyuki Kurihara, Katsushige Yamada, Junpei Kishimoto
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Publication number: 20140017736Abstract: A method of producing a sugar liquid includes hydrolyzing with a filamentous fungus-derived cellulase a product obtained by adding a water-soluble inorganic salt(s) to a pretreated product of cellulose to a final concentration of 5 to 35 g/L; and subjecting the hydrolysate to solid-liquid separation and filtering the obtained solution component through an ultrafiltration membrane to recover the filamentous fungus-derived cellulase as a non-permeate and to obtain a sugar liquid as a permeate.Type: ApplicationFiled: March 28, 2012Publication date: January 16, 2014Applicant: Toray Industries, Inc.Inventors: Hiroyuki Kurihara, Junpei Kishimoto, Katsushige Yamada
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Publication number: 20130312738Abstract: A method of producing a sugar liquid, includes filtering a cellulose-derived sugar liquid through one or more separation membranes selected from the group consisting of ultrafiltration membranes, nanofiltration membranes and reverse osmosis membranes, and washing the separation membrane(s) after filtration with warm water at a temperature of not less than 50° C.Type: ApplicationFiled: February 17, 2012Publication date: November 28, 2013Applicant: Toray Industries, Inc.Inventors: Junpei Kishimoto, Hiroyuki Kurihara, Atsushi Minamino, Katsushige Yamada