Patents by Inventor Masamichi Okada
Masamichi Okada 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).
-
Publication number: 20240084278Abstract: The present invention has a purpose of providing a novel ?-galactosidase enzyme useful for the production of oligosaccharides. Disclosed is a ?-galactosidase enzyme comprising the amino acid sequence of any one of SEQ ID NOs: 1 to 4 or an amino acid sequence that is 80% or more identical to said amino acid sequence.Type: ApplicationFiled: November 7, 2023Publication date: March 14, 2024Applicant: AMANO ENZYME INC.Inventors: Yukiko Hoshi, Masamichi Okada, Akio Horii, Masayuki Hojo
-
Patent number: 11859222Abstract: The present invention has a purpose of providing a novel ?-galactosidase enzyme useful for the production of oligosaccharides. Disclosed is a ?-galactosidase enzyme comprising the amino acid sequence of any one of SEQ ID NOs: 1 to 4 or an amino acid sequence that is 80% or more identical to said amino acid sequence.Type: GrantFiled: October 7, 2022Date of Patent: January 2, 2024Assignee: AMANO ENZYME INC.Inventors: Yukiko Hoshi, Masamichi Okada, Akio Horii, Masayuki Hojo
-
Publication number: 20230193233Abstract: The present invention has a purpose of providing a novel ?-galactosidase enzyme useful for the production of oligosaccharides. Disclosed is a ?-galactosidase enzyme comprising the amino acid sequence of any one of SEQ ID NOs: 1 to 4 or an amino acid sequence that is 80% or more identical to said amino acid sequence.Type: ApplicationFiled: October 7, 2022Publication date: June 22, 2023Applicant: AMANO ENZYME INC.Inventors: Yukiko Hoshi, Masamichi Okada, Akio Horii, Masayuki Hojo
-
Patent number: 11512299Abstract: The present invention has a purpose of providing a novel ?-galactosidase enzyme useful for the production of oligosaccharides. Disclosed is a ?-galactosidase enzyme comprising the amino acid sequence of any one of SEQ ID NOs: 1 to 4 or an amino acid sequence that is 80% or more identical to said amino acid sequence.Type: GrantFiled: December 27, 2016Date of Patent: November 29, 2022Assignee: AMANO ENZYME INC.Inventors: Yukiko Hoshi, Masamichi Okada, Akio Horii, Masayuki Hojo
-
Patent number: 11142748Abstract: A protein having a novel saccharide oxidase activity capable of being subjected to various uses is provided. The present invention provides a protein having the following physicochemical characteristics: (1) effect: oxidizing a saccharide to produce a saccharic acid; (2) substrate specificity: acting on glucose, maltotriose, maltose, galactose, maltotetraose, lactose, and cellobiose; and, (3) [Km value of glucose]/[Km value of maltose]?1.Type: GrantFiled: November 14, 2018Date of Patent: October 12, 2021Assignee: AMANO ENZYME INC.Inventors: Miho Nagaya, Akiko Sugita, Naoki Matsumoto, Masamichi Okada
-
Publication number: 20190119662Abstract: The present invention has a purpose of providing a novel ?-galactosidase enzyme useful for the production of oligosaccharides. Disclosed is a ?-galactosidase enzyme comprising the amino acid sequence of any one of SEQ ID NOs: 1 to 4 or an amino acid sequence that is 80% or more identical to said amino acid sequence.Type: ApplicationFiled: December 27, 2016Publication date: April 25, 2019Inventors: Yukiko Hoshi, Masamichi Okada, Akio Horii, Masayuki Hojo
-
Publication number: 20190071650Abstract: A protein having a novel saccharide oxidase activity capable of being subjected to various uses is provided. The present invention provides a protein having the following physicochemical characteristics: (1) effect: oxidizing a saccharide to produce a saccharic acid; (2) substrate specificity: acting on glucose, maltotriose, maltose, galactose, maltotetraose, lactose, and cellobiose; and, (3) [Km value of glucose]/[Km value of maltose]?1.Type: ApplicationFiled: November 14, 2018Publication date: March 7, 2019Applicant: AMANO ENZYME INC.Inventors: Miho NAGAYA, Akiko SUGITA, Naoki MATSUMOTO, Masamichi OKADA
-
Patent number: 10167453Abstract: A protein having a novel saccharide oxidase activity capable of being subjected to various uses is provided. The present invention provides a protein having the following physicochemical characteristics: (1) effect: oxidizing a saccharide to produce a saccharic acid; (2) substrate specificity: acting on glucose, maltotriose, maltose, galactose, maltotetraose, lactose, and cellobiose; and, (3) [Km value of glucose]/[Km value of maltose]?1.Type: GrantFiled: January 23, 2017Date of Patent: January 1, 2019Assignee: AMANO ENZYME INC.Inventors: Miho Nagaya, Akiko Sugita, Naoki Matsumoto, Masamichi Okada
-
Publication number: 20170137788Abstract: A protein having a novel saccharide oxidase activity capable of being subjected to various uses is provided. The present invention provides a protein having the following physicochemical characteristics: (1) effect: oxidizing a saccharide to produce a saccharic acid; (2) substrate specificity: acting on glucose, maltotriose, maltose, galactose, maltotetraose, lactose, and cellobiose; and, (3) [Km value of glucose]/[Km value of maltose]?1.Type: ApplicationFiled: January 23, 2017Publication date: May 18, 2017Applicant: AMANO ENZYME INC.Inventors: Miho NAGAYA, Akiko SUGITA, Naoki MATSUMOTO, Masamichi OKADA
-
Patent number: 9487765Abstract: Disclosed is a transglutaminase having excellent stability. Also disclosed is a process for producing the transglutaminase. Specifically disclosed is a stabilized transglutaminase, which has such a structure in which a pro-sequence peptide of transglutaminase is bound to a mature transglutaminase. Also specifically disclosed is a process for producing stabilized transglutaminase, which includes the steps of culturing a microorganism capable of producing transglutaminase under the conditions where transglutaminase can be produced; and separating and collecting matured transglutaminase having a pro-sequence peptide bound thereto from a culture medium.Type: GrantFiled: October 27, 2015Date of Patent: November 8, 2016Assignee: AMANO ENZYME INC.Inventors: Masamichi Okada, Yoshiaki Kurono, Hitoshi Amano, Shotaro Yamaguchi
-
Publication number: 20160177356Abstract: The present invention is intended to provide a novel use of a maltotriosyl transferase. The present invention provides a method for producing rice cakes or noodles, including a step of heat-treating a dough containing maltotriosyl transferase thereby gelatinizing starch in the dough. The present invention also provides a method for producing an indigestible saccharide, including a step of allowing maltotriosyl transferase to act on a saccharide.Type: ApplicationFiled: March 8, 2016Publication date: June 23, 2016Inventors: Masamichi Okada, Shotaro Yamaguchi
-
Publication number: 20160040141Abstract: Disclosed is a transglutaminase having excellent stability. Also disclosed is a process for producing the transglutaminase. Specifically disclosed is a stabilized transglutaminase, which has such a structure in which a pro-sequence peptide of transglutaminase is bound to a mature transglutaminase. Also specifically disclosed is a process for producing stabilized transglutaminase, which includes the steps of culturing a microorganism capable of producing transglutaminase under the conditions where transglutaminase can be produced; and separating and collecting matured transglutaminase having a pro-sequence peptide bound thereto from a culture medium.Type: ApplicationFiled: October 27, 2015Publication date: February 11, 2016Inventors: Masamichi Okada, Yoshiaki Kurono, Hitoshi Amano, Shotaro Yamaguchi
-
Patent number: 9217141Abstract: Disclosed is a transglutaminase having excellent stability. Also disclosed is a process for producing the transglutaminase. Specifically disclosed is a stabilized transglutaminase, which has such a structure in which a pro-sequence peptide of transglutaminase is bound to a mature transglutaminase. Also specifically disclosed is a process for producing stabilized transglutaminase, which includes the steps of: culturing a microorganism capable of producing transglutaminase under the conditions where transglutaminase can be produced; and separating and collecting matured transglutaminase having a pro-sequence peptide bound thereto from a culture medium.Type: GrantFiled: March 4, 2015Date of Patent: December 22, 2015Assignee: Amano Enzyme Inc.Inventors: Masamichi Okada, Yoshiaki Kurono, Hitoshi Amano, Shotaro Yamaguchi
-
Publication number: 20150232813Abstract: A protein having a novel saccharide oxidase activity capable of being subjected to various uses is provided. The present invention provides a protein having the following physicochemical characteristics: (1) effect: oxidizing a saccharide to produce a saccharic acid; (2) substrate specificity: acting on glucose, maltotriose, maltose, galactose, maltotetraose, lactose, and cellobiose; and, (3) [Km value of glucose]/[Km value of maltose]?1.Type: ApplicationFiled: September 13, 2013Publication date: August 20, 2015Applicant: AMANO ENZYME INC.Inventors: Miho Nagaya, Akiko Sugita, Naoki Matsumoto, Masamichi Okada
-
Publication number: 20150176000Abstract: Disclosed is a transglutaminase having excellent stability. Also disclosed is a process for producing the transglutaminase. Specifically disclosed is a stabilized transglutaminase, which has such a structure in which a pro-sequence peptide of transglutaminase is bound to a mature transglutaminase. Also specifically disclosed is a process for producing stabilized transglutaminase, which includes the steps of: culturing a microorganism capable of producing transglutaminase under the conditions where transglutaminase can be produced; and separating and collecting matured transglutaminase having a pro-sequence peptide bound thereto from a culture medium.Type: ApplicationFiled: March 4, 2015Publication date: June 25, 2015Inventors: Masamichi Okada, Yoshiaki Kurono, Hitoshi Amano, Shotaro Yamaguchi
-
Patent number: 8895088Abstract: A novel ?-amylase having excellent practical applicability is found, and an object is to provide a practical use of the ?-amylase. Provided is a method for improving a food, wherein a ?-amylase obtained from Bacillus flexus is acted on a food containing a polysaccharide or an oligosaccharide having an ?-1,4 bond of glucose as the main chain.Type: GrantFiled: December 22, 2009Date of Patent: November 25, 2014Assignee: Amano Enzyme Inc.Inventors: Akiko Matsunaga, Masamichi Okada, Shotaro Yamaguchi
-
Patent number: 8770741Abstract: A glasses-type shutter holder may include left and right temple parts connected respectively to left and right frame end parts of frame. The left and right temple parts may be foldable respectively with respect to the left and right frame end parts in accordance with movement, for each frame end part and temple part pair, of a contact position at which a movement part provided with one of the temple part and the frame end part of the pair is in contact with a contact part of the other of the temple part and the frame end part of the pair. For each of the pairs, the contact part is in contact with the movement part when the temple part is unfolded to a maximum degree, and a maximum degree of opening of the temple part is varied in accordance with the movement of the movable part.Type: GrantFiled: September 13, 2011Date of Patent: July 8, 2014Assignee: Sony CorporationInventors: Hiroshi Ohno, Tatsuya Sakata, Masamichi Okada, Nobuyuki Hara, Naoto Shimizu
-
Patent number: 8765434Abstract: The object is to provide a novel glycosyltransferase and the use thereof, the glycosyltransferase catalyzes transglucosylation of maltotriose units under conditions which can be employed for the processing of foods or the like. Provided is a maltotriosyl transferase which acts on polysaccharides and oligosaccharides having ?-1,4 glucoside bonds, and has activity for transferring maltotriose units to saccharides, the maltotriosyl transferase acting on maltotetraose as substrate to give a ratio between the maltoheptaose production rate and maltotriose production rate of 9:1 to 10:0 at any substrate concentration ranging from 0.67 to 70% (w/v).Type: GrantFiled: September 11, 2013Date of Patent: July 1, 2014Assignee: Amano Enzyme Inc.Inventors: Masamichi Okada, Shotaro Yamaguchi, Miho Nagoya
-
Publication number: 20140023748Abstract: The present invention is intended to provide a novel use of a maltotriosyl transferase. The present invention provides a method for producing rice cakes or noodles, including a step of heat-treating a dough containing maltotriosyl transferase thereby gelatinizing starch in the dough. The present invention also provides a method for producing an indigestible saccharide, including a step of allowing maltotriosyl transferase to act on a saccharide.Type: ApplicationFiled: January 31, 2012Publication date: January 23, 2014Applicant: AMANO ENZYME INC.Inventors: Masamichi Okada, Shotaro Yamaguchi
-
Publication number: 20140011257Abstract: The object is to provide a novel glycosyltransferase and the use thereof, the glycosyltransferase catalyzes transglucosylation of maltotriose units under conditions which can be employed for the processing of foods or the like. Provided is a maltotriosyl transferase which acts on polysaccharides and oligosaccharides having ?-1,4 glucoside bonds, and has activity for transferring maltotriose units to saccharides, the maltotriosyl transferase acting on maltotetraose as substrate to give a ratio between the maltoheptaose production rate and maltotriose production rate of 9:1 to 10:0 at any substrate concentration ranging from 0.67 to 70% (w/v).Type: ApplicationFiled: September 11, 2013Publication date: January 9, 2014Applicant: AMANO ENZYME INC.Inventors: Masamichi Okada, Shotaro Yamaguchi, Miho Nagaya