Patents by Inventor Michio Kubota

Michio Kubota 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: 20070218529
    Abstract: A non-reducing saccharide-forming enzyme and a trehalose-releasing enzyme, which have an optimum temperature in a medium temperature range, i.e., a temperature of over 40 or 45° C. but below 60° C.; and an optimum pH in an acid pH range, i.e., a pH of less than 7. The two-types of enzymes can be obtained in a desired amount, for example, by culturing in a nutrient culture medium microorganisms capable of producing the enzymes or by recombinant DNA technology.
    Type: Application
    Filed: November 29, 2006
    Publication date: September 20, 2007
    Applicant: KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU
    Inventors: Takuo Yamamoto, Kazuhiko Maruta, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Publication number: 20070207253
    Abstract: The present invention has objects to provide a method of inhibiting the 2,3-butanedione formation in order to produce a satisfactorily flavorful processed cacao bean product and an agent for inhibiting the 2,3-butanedione formation which is used for the method, and solves the above objects by providing a method of inhibiting the 2,3-butanedione formation during the process and/or preservation, and an agent for inhibiting the 2,3-butanedione formation which comprises one or more members selected from the group consisting of maltitol, ?,?-trehalose and saccharide derivatives of ?,?-trehalose as effective ingredients.
    Type: Application
    Filed: April 11, 2005
    Publication date: September 6, 2007
    Inventors: Keiko Takeda, Sae Murai, Kazuyuki Oku, Michio Kubota, Shigeharu Fukuda
  • Patent number: 7241606
    Abstract: The object of the present invention is to provide an ?-isomaltosylglucosaccharide-forming enzyme, process of the same, cyclotetrasaccharide, and saccharide composition comprising the saccharide which are obtainable by using the enzyme; and is solved by establishing an ?-isomaltosylglucosaccharide-forming enzyme which forms a saccharide, having a glucose polymerization degree of at least three and having both the ?-1,6 glucosidic linkage as a linkage at the non-reducing end and the ?-1,4 glucosidic linkage other than the linkage at the non-reducing end, by catalyzing the ?-glucosyl-transfer from a saccharide having a glucose polymerization degree of at least two and having the ?-1,4 glucosidic linkage as a linkage at the non-reducing end without substantially increasing the reducing power; ?-isomaltosyl-transferring method using the enzyme; method for forming ?-isomaltosylglucosaccharide; process for producing a cyclotetrasaccharide having the structure of cyclo{?6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: July 10, 2007
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Michio Kubota, Keiji Tsusaki, Takanobu Higashiyama, Shigeharu Fukuda, Toshio Miyake
  • Publication number: 20070154996
    Abstract: An object of the present invention is to provide novel methods for forming glucosyl-transferred polyalcohols, glucosyl-transferred glucuronic acid, and glucosyl-transferred derivatives of glucose whose C-6 hydroxyl group bound to a saccharide by using an enzymatic reaction. The present invention solves the above object by providing a method for transferring a glucosyl residue to polyalcohols, glucuronic acid and/or derivatives of glucose whose C-6 hydroxyl group bound to a saccharide, comprising a step of: allowing a trehalose phosphorylase to act on a saccharide containing glucose as a component sugar and one or more polyalcohols selected from the group consisting of inositol, ribitol, erythritol, and glycerol; glucuronic acid and/or a salt thereof; and/or one or more derivatives of glucose whose C-6 hydroxyl group bound to a saccharide selected from the group consisting of isomaltose, gentiobiose, melibiose, isomaltotriose, and isopanose.
    Type: Application
    Filed: January 27, 2005
    Publication date: July 5, 2007
    Inventors: Tomoyuki Nishimoto, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Patent number: 7223570
    Abstract: The object of the present invention is to provide a novel glycosyl derivative of cyclotetrasaccharide represented by cyclo{?6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-(1?6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-(1?}, and it is solved by providing a branched cyclotetrasaccharide, wherein one or more hydrogen atoms in the hydroxyl groups of cyclotetrasaccharide are replaced with an optionally substituted glycosyl group, with the proviso that, when only one hydrogen atom in the C-6 hydroxyl group among the above hydrogen atoms is substituted with an optionally-substituted glycosyl group, the substituted glycosyl group is one selected from those excluding D-glucosyl group.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: May 29, 2007
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Hajime Aga, Takanobu Higashiyama, Hikaru Watanabe, Tomohiko Sonoda, Michio Kubota
  • Publication number: 20070099869
    Abstract: The present invention has an object to provide a composition of metal ion compound whose inherent and unsatisfactory properties for its industrial application such as deliquescence, reducing power, oxidizing power, low solubility in water, etc., have been improved; and their preparations and uses. The present invention solves the above object by providing an associated complex of ?-glycosyl ?,?-trehalose and a metal ion compound, and its preparations and uses.
    Type: Application
    Filed: June 6, 2004
    Publication date: May 3, 2007
    Applicant: KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO
    Inventors: Kazuyuki Oku, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Patent number: 7211422
    Abstract: The object of the present invention is to provide a polypeptide which can be used to produce a saccharide having the structure of cyclo{?6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-(1?6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-(1?}, a DNA encoding the polypeptide, and uses thereof.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: May 1, 2007
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Michio Kubota, Kazuhiko Maruta, Takuo Yamamoto, Shigeharu Fukuda
  • Publication number: 20070066565
    Abstract: An object of the present invention is to provide an option of non-reducing saccharide by providing a novel non-reducing saccharide composed of glucose as constituents and to provide a novel enzyme forming the non-reducing saccharide, a method and process for producing the same, a DNA encoding the enzyme, a recombinant DNA and transformant comprising the DNA, a composition comprising the non-reducing saccharide, and uses thereof. The present invention solves the above object by providing a novel cyclic saccharide having a structure of cyclo{?6)-?-D-glucopyranosyl-(1?4)-?-D-glucopyranosyl-(1?6)-?-D-glucopyranosyl-(1?4)-?-D-glucopyranosyl-(1?6}, cyclic maltosylmaltose, novel cyclic maltosylmaltose-forming enzyme, a method and process for producing the same, a DNA encoding the enzyme, a recombinant DNA and transformant comprising the DNA, a composition comprising the cyclic maltosylmaltose or a saccharide composition comprising the same, and uses thereof.
    Type: Application
    Filed: August 26, 2004
    Publication date: March 22, 2007
    Inventors: Kazuhisa Mukai, Hikaru Watanabe, Tomoyuki Nishimoto, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Patent number: 7192746
    Abstract: The object of the present invention is to provide an ?-isomaltosyl-transferring enzyme which forms a cyclotetrasaccharide having the structure of cyclo{?6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-(1?6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-(1?} from a saccharide having a glucose polymerization degree of at least three and having both the ?-1,6 glucosidic linkage as a linkage at the non-reducing end and the ?-1,4 glucosidic linkage other than the linkage at the non-reducing end; microorganisms which produce the enzyme; process for producing the enzyme; cyclotetrasaccharide or saccharide compositions comprising the same; and uses thereof.
    Type: Grant
    Filed: May 22, 2001
    Date of Patent: March 20, 2007
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Michio Kubota, Tomoyuki Nishimoto, Hajime Aga, Shigeharu Fukuda, Toshio Miyake
  • Patent number: 7186701
    Abstract: The present invention has the object to dehydrate hydrous matters without denaturing or deteriorating them by using a dehydrating agent comprising an anhydrous cyclotetrasaccharide, and provides a dehydrating agent comprising the cyclotetrasaccharide; a method for dehydrating hydrous matters through a step of incorporating, contacting or coexisting the cyclotetrasaccharide into, with, or in the hydrous matters; and dehydrated products obtainable thereby.
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: March 6, 2007
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Michio Kubota, Tomoyuki Nishimoto, Hajime Aga, Shigeharu Fukuda, Toshio Miyake
  • Patent number: 7186535
    Abstract: A non-reducing saccharide-forming enzyme and a trehalose-releasing enzyme, which have an optimum temperature in a medium temperature range, i.e., a temperature of over 40 or 45° C. but below 60° C.; and an optimum pH in an acid pH range, i.e., a pH of less than 7. The two-types of enzymes can be obtained in a desired amount, for example, by culturing in a nutrient culture medium microorganisms capable of producing the enzymes or by recombinant DNA technology.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: March 6, 2007
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Takuo Yamamoto, Kazuhiko Maruta, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Patent number: 7163711
    Abstract: A crystalline ?-D-glucosyl ?-D-galactoside which has a melting point of 119–123° C.; a saccharide composition comprising the same; a process for producing the same or the saccharide composition comprising the same, which comprises (i) crystallizing ?-D-glucosyl ?-D-galactoside from its solution and (ii) collecting the grown crystalline ?-D-glucosyl ?-D-galactoside; a method for converting amorphous ?-D-glucosyl ?-D-galactoside to crystalline ?-D-glucosyl ?-D-galactoside in the presence of moisture; and a composition comprising the crystalline ?-D-glucosyl ?-D-galactoside or the saccharide composition comprising the same.
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: January 16, 2007
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Tomoyuki Nishimoto, Michio Kubota, Shigeharu Fukuda
  • Publication number: 20070003502
    Abstract: The present invention has an object to provide an external dermatological formulation having satisfactory blood flow-promoting effect, antiinflammatory effect, antibacterial effect, moisturizing effect, whitening effect, UV-absorbing effect, UV-scattering effect, antioxidant effect, hair growing effect, hair nourishing effect, emusifying effect, astringent effect, wrinkle-reducing effect, cell-activating effect and/or transdermal absorption-promoting effect with a satisfactory safety and skin feeling; The object is solved by providing an external dermatological formulation comprising a saccharide derivative of ?,?-trehalose and one or more members selected from substances having any one of blood flow-promoting effect, antiinflammatory effect, antibacterial effect, moisturizing effect, whitening effect, UV-absorbing effect, UV-scattering effect, antioxidant effect, hair growing efect, hair nourishing effect, emulsifying effect, astringent effect, wrinkle-reducing effect, cell-activating effect and transdermal
    Type: Application
    Filed: February 10, 2004
    Publication date: January 4, 2007
    Inventors: Fujimi Tanabe, Michio Kubota, Hiromi Tatsukawa, Shigeru Fukuda, Toshio Miyake
  • Publication number: 20060276432
    Abstract: The object of the present invention is to provide a lipid-regulating agent or a composition for regulating the amount of lipids comprising the agent. The present invention solves the above object by providing a lipid-regulating agent comprising a cyclic tetrasaccharide and/or its saccharide-derivative(s) and a composition for regulating the amount of lipids comprising the lipid-regulating agent.
    Type: Application
    Filed: March 24, 2004
    Publication date: December 7, 2006
    Inventors: Kazuyuki Oku, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Publication number: 20060240531
    Abstract: The present invention aims to provide a novel process for producing isomaltose and isomaltitol, and uses thereof, and it solves the object by establishing a process for producing isomaltose comprising a step of contacting a saccharide, having the ?-1,4 glucosidic linkage as the linkage of non-reducing end and a glucose polymerization degree of at least two, with an ?-isomaltosyl-transferring enzyme and an ?-isomaltosylglucosaccharide-forming enzyme derived from a specific microorganism; a process for producing isomaltitol using the isomaltose produced by the above process; saccharide compositions comprising the isomaltose and/or the isomaltitol produced by the above processes; and uses thereof.
    Type: Application
    Filed: October 18, 2002
    Publication date: October 26, 2006
    Applicant: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventor: Michio Kubota
  • Publication number: 20060216792
    Abstract: The object of the present invention is to provide a method and a process for producing 2-O-?-glucopyranosyl-L-ascorbic acid where 5-O-?-glucopyranosyl-L-ascorbic acid and 6-O-?-glucopyranosyl-L-ascorbic acid are not formed or formed in such a small amount that the formation of these can nor be detected. The present invention solves the above object by providing a process for producing 2-O-?-glucopyranosyl-L-ascorbic acid comprising the steps of allowing ?-isomaltosyl glucosaccharide-forming enzyme together with or without cyclomaltodextrin glucanotransferase (EC 2.4.1.19) to act on a solution comprising L-ascorbic acid and, an ?-glucosyl saccharide to form 2-O-?-glucopyranosyl-L-ascorbic acid and collecting the formed 2-O-?-glucopyranosyl-L-ascorbic acid.
    Type: Application
    Filed: July 7, 2003
    Publication date: September 28, 2006
    Inventors: Kazuhisa Mukai, Keiji Tsusaki, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Publication number: 20060210646
    Abstract: The present invention has an object to provide an accelerator for mineral absorption and a composition containing the accelerator. The object is solved by providing an accelerator for mineral absorption comprising cyclic tetrasaccharide and/or saccharide derivatives thereof and a composition containing the accelerator.
    Type: Application
    Filed: July 9, 2004
    Publication date: September 21, 2006
    Inventors: Kazuyuki Oku, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Publication number: 20060194743
    Abstract: An object of the present invention is to establish a method for actively suppressing the formation of acrylamide, which is formed by heating edible materials at a relatively high temperature, and uses thereof, and to provide more safe compositions such as foods, beverages, cosmetics, pharmaceuticals, and intermediates thereof.
    Type: Application
    Filed: November 20, 2003
    Publication date: August 31, 2006
    Inventors: Kazuyuki Oku, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Patent number: 7098013
    Abstract: The object of the present invention is to provide a polypeptide which can be used to produce a saccharide having a structure of cyclo{?6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-(1?6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-(1?}, a DNA encoding the polypeptide, and uses thereof.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: August 29, 2006
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Michio Kubota, Kazuhiko Maruta, Takuo Yamamoto, Shigeharu Fukuda
  • Publication number: 20060177553
    Abstract: The objects of the present invention are to provide a method for powderizing a non-saccharide ingredient(s), a powdery composition prepared by the method, and a base for powderizing a non-saccharide ingredient(s). The present invention solves the above objects by providing a method for powderizing a non-saccharide ingredient(s) which comprises the steps of allowing a saccharide-derivative(s) of ?,?-trehalose to incorporate into a non-saccharide ingredient(s) and powderizing the resulting mixture; a powdery composition prepared by the method; and a base for powderizing non-saccharide ingredient(s) comprising the saccharide-derivative(s) as an effective ingredient(s).
    Type: Application
    Filed: March 23, 2004
    Publication date: August 10, 2006
    Inventors: Michio Kubota, Shigeharu Fukuda, Toshio Miyake