Patents Assigned to Seibutsu Kagaku Kenkyujo
  • Patent number: 7732426
    Abstract: The present invention have objects 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 objects by providing an isocyclomaltooligosaccharide(s) having a structure represented by General Formula 1, a novel isocyclomaltooligosaccharide-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 isocyclomaltooligosaccharide(s) or a saccharide composition comprising the same, and uses thereof. Cyclo{?6)-[?-D-Glcp-(1?4)]n-?-D-Glcp-(1?}??General Formula 1 (In General Formula 1, “n” means a number of 4 or 5).
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: June 8, 2010
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Hikaru Watanabe, Tomoyuki Nishimoto, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Patent number: 7718404
    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{66)-?-D-glucopyranosyl-(163)-?-D-glucopyranosyl-
    Type: Grant
    Filed: May 9, 2007
    Date of Patent: May 18, 2010
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Michio Kubota, Keiji Tsusaki, Takanobu Higashiyama, Shigeharu Fukuda, Toshio Miyake
  • Publication number: 20100119764
    Abstract: To provide an optical recording medium on which recording/retrieving of high density optical information is possible by a short wavelength light such as a blue laser. An optical recording medium comprising a substrate and a recording layer capable of recording or retrieving information by irradiation with light, formed on the substrate, wherein the recording layer contains the cyanine dye represented by the following formula (I): wherein each of A1 and B1 which are independent of each other, is an aromatic ring which may have a substituent, provided that at least one aromatic ring of A1 and B1 contains a nitrogen atom; each of R1 and R2 which are independent of each other, is a substituent, provided that R1 and/or R2 may be bonded to other cation; each of X1, X2, X3 and X4 which are independent of one another, is an organic group, provided that a pair of X1 and X2, and/or a pair of X3 and X4, may be mutually bonded to form a cyclic structure; Y1 is a hydrogen atom or an organic group; and Z is an anion.
    Type: Application
    Filed: February 13, 2008
    Publication date: May 13, 2010
    Applicants: Mitsubishi Kagaku Media Co., Ltd., KAB. KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO
    Inventors: Hisashi Shoda, Naoyuki Uchida, Shigeyuki Furomoto, Yasushi Aizawa, Yasufumi Dan-OH, Masahiko Toki
  • Patent number: 7713940
    Abstract: An isoflavone composition which contains an ?-glucosyl isoflavone and isoflavone and optionally an isoflavone aglycone, wherein the ratio of the amount of aglycone in the isoflavone and the isoflavone aglycone in total to the amount of aglycone in the ?-glucosyl isoflavone [(the amount of aglycone in ?-glucosyl isoflavone)/(the amount of aglycone in isoflavone plus the amount of isoflavone aglycone)] is at least 2.5/1; a water-soluble isoflavone composition which contains an ?-glucosyl isoflavone, isoflavone and isoflavone aglycone, wherein the ratio of the amount of isoflavone aglycone in the composition is 0.01 to 20% to the total amount of aglycone in the composition; and beverages, cosmetics, pharmaceuticals, or feeds, which contain any one of the above compositions.
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: May 11, 2010
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Taketoshi Kido, Yoshihisa Iida, Takashi Yumoto, Toshi Miyake
  • Patent number: 7709230
    Abstract: A novel process for producing isomaltose and uses thereof and comprising the steps of contacting saccharides, which have a glucose polymerization degree of at least two and ?-1,4 glucosidic linkage as a linkage at the non-reducing end, with an ?-isomaltosylglucosaccharide-forming enzyme, in the presence or the absence of ?-isomaltosyl-transferring enzyme to form a-isomaltosylglucosaccharides, which have a glucose polymerization degree of at least three, ?-1,6 glucosidic linkage as a linkage at the non-reducing end, and ?-1,4 glucosidic linkage as a linkage other than the non-reducing end, and/or to form cyclo{?6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-(1?6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-(1?}; contacting the saccharides so formed with isomaltose-releasing enzyme to release isomaltose; and collecting the released isomaltose; and uses thereof.
    Type: Grant
    Filed: July 12, 2007
    Date of Patent: May 4, 2010
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Michio Kubota, Tomoyuki Nishimoto, Takanobu Higashiyama, Hikaru Watanabe, Shigeharu Fukuda, Toshio Miyake
  • Publication number: 20100105885
    Abstract: Providing 1- or 6-deoxy products corresponding to all of aldohexoses, ketohexoses and sugar alcohols, as based on Deoxy-Izumoring, as well as a method for systematically producing those products. A method for producing deoxyketohexose and a derivative thereof using a deoxyketohexose isomerase derived from Pseudomonas cichorii ST-24 (FERM BP-2736), comprising epimerizing 1-deoxy D-ketohexose or 6-deoxy D-ketohexose or 1-deoxy L-ketohexose or 6-deoxy L-ketohexose at position 3 to produce the individually corresponding 1-deoxy D-ketohexose or 6-deoxy D-ketohexose or 1-deoxy L-ketohexose or 6-deoxy L-ketohexose as an intended product.
    Type: Application
    Filed: November 20, 2007
    Publication date: April 29, 2010
    Applicants: NAT'L UNIVERSITY CORPORATION KAGAWA UNIVERSITY, RARE SUGAR PRODUCTION TECHNICAL RESEARCH LABS., MATSUTANI CHEMICAL INDUSTRY CO., LTD., KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO
    Inventors: Ken Izumori, Masaaki Tokuda, George Fleet, Yoshio Tsujisaka, Kei Takeshita, Keiji Tsusaki, Kazuhiro Okuma
  • Publication number: 20100062011
    Abstract: An object of the present invention is to provide a peptide vaccine for preventing and/or treating diseases caused by amyloid ?-peptide, such as Alzheimer's disease. The present invention solves the above object by providing a peptide vaccine constructed by inserting a peptide having an amino acid sequence of a cell attachment motif of a cell adhesive molecule to a peptide which consists of a peptide having an amino acid sequence of multiagretope type T-cell epitope, which has been generated immunological memory, or a peptide including the same; an linker peptide; and a peptide having an amino acid sequence of a B cell epitope which is a specific region of amyloid ?-peptide or a peptide including the same.
    Type: Application
    Filed: February 16, 2007
    Publication date: March 11, 2010
    Applicant: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventor: Akira Yano
  • Patent number: 7666403
    Abstract: The present invention has objects to provide a mutant interferon-? protein having a higher anti-viral and anti-tumor activity and to provide an agent for susceptive diseases, which contains the mutant interferon-? protein as an effective ingredient; and solves the above objects by providing a mutant protein which has an amino acid sequence of human interferon-? subtype ?8 represented by any one of SEQ ID NOs:1 to 3, where the arginine residue at the 145th has been replaced with leucine, isoleucine, or valine residue; the alanine residue at the 146th has been replaced with asparagine or serine residue; and the methionine residue at the 149th has been replaced with tyrosine residue; and an agent for susceptive diseases, containing the mutant protein.
    Type: Grant
    Filed: November 9, 2005
    Date of Patent: February 23, 2010
    Assignees: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Tadanori Mayumi, Yasuo Tsutsumi, Shinsaku Nakagawa, Madoka Taniai, Kakuji Torigoe, Masashi Kurimoto
  • Publication number: 20100015671
    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>}, 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: November 16, 2007
    Publication date: January 21, 2010
    Applicant: KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO
    Inventors: Kazuhisa Mukai, Hikaru Watanabe, Tomoyuki Nishimoto, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Publication number: 20090312452
    Abstract: This invention provides a novel optionally acylated cyclic tetrasaccharide-containing polyurethane derivative and a process for producing the same, and a novel cyclic tetrasaccharide modified polyurethane foam and a simple process for producing the same. Specifically, the present invention provides a polyurethane derivative containing an optionally acylated cyclic tetrasaccharide: cyclo{?6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-(1?-6)-?-D-glucopyranosyl-(1?3)-?-D-glucopyranosyl-(1?}, a process for producing polyurethane, comprising reacting an acylated cyclic tetrasaccharide and a diol compound with a diisocyanete compound, a process for producing a cyclic tetrasaccharide-containing polyurethane, comprising hydrolyzing the polyurethane, a process for producing a polyurethane foam, comprising reacting polyol with polyisocyanete in the presence of the cyclic tetrasaccharide and foaming the reaction product, and a cyclic tetrasaccharide modified polyurethane foam produced by the production process.
    Type: Application
    Filed: September 29, 2006
    Publication date: December 17, 2009
    Applicants: KANEKA CORPORATION, KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO
    Inventors: Hiroshi Awaji, Ashutosh Kumar
  • Patent number: 7632945
    Abstract: An objective of this invention is to extend the range of choosing organic dye compounds as light-absorbing agent in a variety of fields of, for example, information storage, information display, solar energy generation, electric machinery apparatus, electric communicating apparatus, optical apparatus, cloth, building/bedding/decorating product, sanitary and health goods, and agricultural material by providing an organic dye compound which is superior in light-absorbing property, light resistance, and solubility in the near-infrared region: The objective is attainable by providing a cyanine dye that bears within the same molecule a plurality of cyanine dye skeletons bound to a divalent group(s) and an organometallic complex as counter ion, as well as substantially absorbing a light with a wavelength longer than 700 nm.
    Type: Grant
    Filed: July 21, 2004
    Date of Patent: December 15, 2009
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Akira Shinpo, Yoshimi Takahashi, Kentaro Yano, Yasushi Aizawa
  • Patent number: 7592160
    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: Grant
    Filed: October 18, 2002
    Date of Patent: September 22, 2009
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Michio Kubota, Tomoyuki Nishimoto, Tomohiko Sonoda, Shigeharu Fukuda, Toshio Miyake
  • Patent number: 7582463
    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 29, 2006
    Date of Patent: September 1, 2009
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Takuo Yamamoto, Kazuhiko Maruta, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Patent number: 7575900
    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 29, 2006
    Date of Patent: August 18, 2009
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Takuo Yamamoto, Kazuhiko Maruta, Michio Kubota, Shigeharu Fukuda, Toshio Miyake
  • Patent number: 7569694
    Abstract: Provided are an organic electroluminescent device having better performances in luminous efficiency, device life and driving voltage, a display unit equipped with the same and a lighting instrument equipped with the same. The organic electroluminescent device comprises an electron transport layer containing a specific arylamine-substituted coumarin compound.
    Type: Grant
    Filed: January 29, 2007
    Date of Patent: August 4, 2009
    Assignees: Chisso Corporation, Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Toshihiro Koike, Manabu Uchida, Makoto Satsuki, Makoto Fujiwara, Ayashi Noguchi
  • Publication number: 20090148943
    Abstract: The present invention has an object to provide a means to effectively enhance the production of cytokines and/or chemokines in mammals. The object is solved by providing an agent for enhancing the production of cytokines and/or chemokines, which comprises, as an effective ingredient, a polypeptide having any one of the amino acid sequences of SEQ ID NOs:1 to 3; a polypeptide having any one of the amino acid sequences of SEQ ID NOs:1 to 3, where one or more amino acids thereof are deleted or replaced with other amino acid(s) and/or one or more amino acids are added thereunto, without substantially losing the biological activity of the polypeptide.
    Type: Application
    Filed: November 5, 2008
    Publication date: June 11, 2009
    Applicant: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Makoto TAKEUCHI, Takanori Okura, Tomoki Tatefuji, Tetsuya Mori, Chikako Arai, Tsunetaka Ohta, Masashi Kurimoto
  • Patent number: 7534458
    Abstract: A process for producing rice flour, which comprises the steps of soaking material rice grains in water, crushing the resulting rice grains, penetrating ?,?-trehalose or maltitol into the rice grains, partially drying the resulting rice grains, and milling the partially dried rice grains; rice flours obtainable by the process; and uses thereof for producing bakery products and noodles.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: May 19, 2009
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Tsuyoshi Sadakiyo, Hideo Bunya, Hiroto Chaen
  • Patent number: 7521567
    Abstract: The objectives of this invention are to extend the range of choosing materials to use in the preparation of photopolymerizable compositions by providing a novel organic compound which absorbs a visible light; or to provide an orgamc material which is useful as host compound in organic electroluminescent devices, as well as its uses: The objectives are attainable by providing an aromatic tertiary amine compound bearing within the same molecule one or more specific atomic groups, a luminescent agent directed to use in organic electroluminescent devices comprising it, and an organic electroluminescent device using such amine compound, as well as its uses.
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: April 21, 2009
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Makoto Fujiwara, Natsuko Sonoda, Makoto Satsuki, Sadaharu Suga, Hisayoshi Fujikawa, Koji Noda, Yasunori Taga
  • Publication number: 20090098061
    Abstract: The objective of the invention is to provide a solution for tissue adhesion prevention and a method for tissue adhesion prevention that are applicable to general surgery and in which covering condition during surgery is stable and convenient. The invention is the solution for tissue adhesion prevention of which the active ingredient is trehalose. Also, it contains at least one or more among antioxidants, chelates, antiseptics, hemostatics, anti-inflammatory agents, and polysaccharides, mucopolysaccharides, salts of polysaccharides and salts of mucopolysaccharides having lubricating properties. This solution for tissue adhesion prevention is provided as any form of perfusion fluid, spray fluid, solution for spray or vaporization administration, foam-like aerosol preparation, injection solution for intravenous fluids, intravenous fluid.
    Type: Application
    Filed: June 8, 2006
    Publication date: April 16, 2009
    Applicants: Cellex K.K., KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO, THE UNIVERSITY OF TOKYO
    Inventors: Shigeki Suzuki, Yoshikatsu Miwa, Nobuo Sasaki, Yuiichi Tei
  • Patent number: 7514158
    Abstract: A method for producing a coumarin compound represented by Formula 1, which comprises a step of reacting a coumarin compound represented by Formula 1 with a compound having an aldehyde group and an activated methylene group; luminous agents for organic EL elements and organic EL elements which all comprise the coumarin compound; and displaying panels and information displaying apparatuses using the organic EL elements: ø(Z)m??Formula 1 wherein in Formula 1, ø is an aromatic ring, heterocycle, or a combination thereof, each Z is the same or a different coumarin group represented by Formula 2; and m is an integer of two or more;
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: April 7, 2009
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Makoto Satsuki, Makoto Fujiwara, Natsuko Ishida, Sadaharu Suga, Hisayoshi Fujikawa, Hisato Takeuchi, Yasunori Taga