Patents by Inventor Hiroaki Sagawa

Hiroaki Sagawa 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).

  • Patent number: 7141402
    Abstract: A polypeptide having an ?-agarase activity, a gene encoding the polypeptide, a method for producing the polypeptide by genetic engineering and a method for producing an agarooligosaccharide using the polypeptide.
    Type: Grant
    Filed: June 19, 2003
    Date of Patent: November 28, 2006
    Assignee: Takara Bio Inc.
    Inventors: Jun Tomono, Yoshiko Nomura, Hiroaki Sagawa, Takeshi Sakai, Ikunoshin Kato
  • Patent number: 7135291
    Abstract: A Nucleotide useful for detecting a base substitution in a gene, a method for detecting a base substitution in a gene using said Nucleotide, and a kit for the same.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: November 14, 2006
    Assignee: Takara Bio Inc.
    Inventors: Hiroaki Sagawa, Eiji Kobayashi, Ikunoshin Kato
  • Publication number: 20060234355
    Abstract: A polypeptide having an ?-agarase activity, a gene encoding the polypeptide, a method for producing the polypeptide by genetic engineering and a method for producing an agarooligosaccharide using the polypeptide.
    Type: Application
    Filed: June 19, 2003
    Publication date: October 19, 2006
    Applicant: TAKARA SHUZO CO., LTD.
    Inventors: Jun Tomono, Yoshiko Nomura, Hiroaki Sagawa, Takeshi Sakai, Ikunoshin Kato
  • Publication number: 20060216362
    Abstract: The present invention relates to a therapeutic agent and prophylactic agent for a disease accompanying an abnormality in an amount of insulin or insulin response, an agent for an insulin-mimetic action, a food, beverage and feed for treating a preventing a disease accompanying an abnormality in an amount of insulin or insulin response, an agent for enhancing glucose uptake into a cell, and an agent for inducing differentiation into an adipocyte, characterized in that each comprises as an effective ingredient a processed product derived from at least one plant selected from the group consisting of (a) a plant belonging to Tiliaceae, (b) a plant belonging to Zingiberaceae, (c) a plant belonging to Compositae, (d) a plant belonging to Liliaceae, and (e) a plant belonging to Polygonaceae.
    Type: Application
    Filed: May 14, 2004
    Publication date: September 28, 2006
    Inventors: Tatsuji Enoki, Kinuko Ogawa, Hiromu Ohnogi, Nobuko Muraki, Yoko Kudo, Hiroaki Sagawa, Ikunoshin Kato
  • Publication number: 20060199774
    Abstract: The present invention relates to a medicament, a food, a beverage or a feed, each comprising as an effective ingredient a compound having an enhancing action for NGF production, which is effective for a treatment, an amelioration of symptom, prevention or the like of a disease requiring enhancement of NGF production, wherein the compound has a coumarin and/or chroman backbone. Since no toxicity is especially found in the effective ingredient of the present invention, and there is no risk of incidence of adverse actions, the treatment or the like of the above disease can be safely and appropriately carried out.
    Type: Application
    Filed: April 24, 2006
    Publication date: September 7, 2006
    Inventors: Hiromu Ohnogi, Masahiro Shiraga, Hiroaki Sagawa, Ikunoshin Kato
  • Publication number: 20060199178
    Abstract: Accurate and highly reproducible means of detecting a base substitution mutation (for example, SNP), an insertion mutation or a deletion mutation with the use of a nucleic acid sample in a trace amount and a method of typing gene polymorphisms using the means.
    Type: Application
    Filed: May 30, 2003
    Publication date: September 7, 2006
    Inventors: Eiji Kobayashi, Tatsuji Enoki, Masashige Tanabe, Yu Ueda, Shinji Okuda, Hiroaki Sagawa, Ikunoshin Kato
  • Publication number: 20060160219
    Abstract: A method of transferring a mutation into the base sequence of a target nucleic acid characterized by comprising the step of preparing a DNA having a reversed repetitive sequence wherein the base sequence of the DNA having the reversed repetitive sequence is homologous with the target nucleic acid and has a base sequence containing the mutation to be transferred into the target nucleic acid, and the step of transferring the DNA having the reversed repetitive sequence into cells; and a kit for the method.
    Type: Application
    Filed: July 11, 2003
    Publication date: July 20, 2006
    Applicant: Takara Bio inc.
    Inventors: Chunyu Cao, Hiroaki Sagawa, Ikunoshin Kato
  • Patent number: 7078386
    Abstract: The present invention relates to a medicament, a food, a beverage or a feed, each comprising as an effective ingredient a compound having an enhancing action for NGF production, which is effective for a treatment, an amelioration of symptom, prevention or the like of a disease requiring enhancement of NGF production, wherein the compound has a coumarin and/or chroman backbone. Since no toxicity is especially found in the effective ingredient of the present invention, and there is no risk of incidence of adverse actions, the treatment or the like of the above disease can be safely and appropriately carried out.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: July 18, 2006
    Assignee: Takara Bio, Inc.
    Inventors: Hiromu Ohnogi, Masahiro Shiraga, Hiroaki Sagawa, Ikunoshin Kato
  • Publication number: 20060147558
    Abstract: The present invention provides a composition for enhancing growth factor production, comprising a plant-derived enhancer for growth factor production; a therapeutic agent or prophylactic agent for a disease requiring enhancement of growth factor production and a food, beverage or feed for enhancing growth factor production, each comprising the above composition. In addition, the present invention relates to a functional food, beverage or feed excellent in health enhancement.
    Type: Application
    Filed: October 26, 2005
    Publication date: July 6, 2006
    Inventors: Hiromu Ohnogi, Masahiro Shiraga, Tuo-Ping Li, Eiji Kobayashi, Kaori Nishimura, Hiroaki Sagawa, Ikunoshin Kato
  • Patent number: 7056671
    Abstract: Methods of amplifying a target nucleic acid whereby the target nucleic acid is amplified in the presence of a deoxyribonucleotide triphosphate, a DNA polymerase having strand displacement activity, at least one chimeric oligonucleotide primer, at least one upstream block oligonucleotide and a RNase H; wherein the chimeric oligonucleotide primer contains a ribonucleotide positioned at the 3?-terminus; wherein the upstream block oligonucleotide is capable of annealing to a region 3? to a portion in the nucleic acid as the template to which the chimeric oligonucleotide primer anneals; and compositions and kits thereof.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: June 6, 2006
    Assignee: Takara Bio Inc.
    Inventors: Tatsuji Enoki, Hiroaki Sagawa, Ikunoshin Kato
  • Publication number: 20060093566
    Abstract: To find a substance which has a skin cosmeticizing effect such as prevention of skin aging, amelioriation of sensitive skin, or antipruritic action, and can serve as an effective ingredient for a hair-care product, thereby providing cosmetics comprising the effective ingredient. Concretely, there are provided cosmetics characterized in that the cosmetics comprise as an effective ingredient a compound selected from a fucoidan, a degradation product thereof, a sulfated monosaccharide or a salt thereof.
    Type: Application
    Filed: December 20, 2005
    Publication date: May 4, 2006
    Inventors: Shigetoshi Mizutani, Suzu Deguchi, Eiji Kobayashi, Eiji Nishiyama, Hiroaki Sagawa, Ikunoshin Kato
  • Publication number: 20060051316
    Abstract: The present invention relates to a therapeutic agent or prophylactic agent for a disease requiring enhancement of bone morphogenetic protein production or promotion of osteogenesis; an agent for enhancement of bone morphogenetic protein production or an agent for promotion of osteogenesis, a food, beverage or feed for enhancement of bone mornhogenetic protein production or promotion of osteogenesis, characterized in that each comprises as an effective ingredient at least one compound selected from the group consisting of (a) an acidic saccharide, (b) a polyacrylic acid, (c) chlorogenic acid and (d) an oxidation processed product of chlorogenic acid, or an extract derived from algae.
    Type: Application
    Filed: December 5, 2003
    Publication date: March 9, 2006
    Inventors: Hiromu Ohnogi, Katsumi Sugiyama, Hiroaki Sagawa, Ikunoshin Kato
  • Publication number: 20060039998
    Abstract: The present invention relates to a therapeutic agent or prophylactic agent for a disease requiring promotion of osteogenesis or enhancement of bone morphogenetic protein production, an agent for promotion of osteogenesis or an agent for enhancement of bone morphogenetic protein production, and a food, beverage or feed for promotion of osteogenesis or enhancement of bone morphogenetic protein production, characterized in that each comprises as an effective ingredient a processed product derived from a plant. Also, the present invention relates to a method for measuring an enhancing action for bone morphogenetic protein production, a method for screening a substance having an enhancing action for bone morphogenetic protein production, and a method for preparing a substance having an enhancing action for bone morphogenetic protein production, each method using a specified cell.
    Type: Application
    Filed: September 29, 2003
    Publication date: February 23, 2006
    Inventors: Hiromu Ohnogi, Katsumi Sugiyama, Nobuko Muraki, Hiroaki Sagawa, Ikunoshin Kato
  • Publication number: 20060034949
    Abstract: The present invention relates to a therapeutic agent or prophylactic agent for a disease accompanying an abnormality in an amount of insulin or insulin response, an insulin-mimetic action agent, a food, beverage, or feed for treating or preventing a disease accompanying an abnormality in an amount of insulin or insulin response, an agent for enhancement of glucose uptake into a cell, and an agent for induction of an adipocyte differentiation, each comprising as an effective ingredient a processed product derived from a plant belonging to Umbelliferae.
    Type: Application
    Filed: August 6, 2003
    Publication date: February 16, 2006
    Inventors: Tatsuji Enoki, Kinuko Ogawa, Hiromu Ohnogi, Katsumi Sugiyama, Nobuko Muraki, Hiroaki Sagawa, Ikunoshin Kato
  • Publication number: 20050272809
    Abstract: The present invention relates to a novel chalcone compound represented by the following general formula: wherein R1 and R2 are taken together with the carbon atom to which they are bound, respectively, to form a hydroxydimethyl hexane ring, or where R1 is a hydroxyl group, R2 is an isohexenyl group, a derivative thereof, or a salt thereof. Also, the present invention relates to a therapeutic agent or prophylactic agent for a disease requiring neuronal protection, suppression for nitrogen monoxide (NO) production, inhibition for aldose reductase or suppression for interleukin production, and a food, beverage or feed for treatment or prevention of the above-mentioned disease, characterized in that each comprises the above-mentioned compound as an effective ingredient.
    Type: Application
    Filed: September 29, 2003
    Publication date: December 8, 2005
    Inventors: Hiromu Ohnogi, Katsumi Sugiyama, Nobuko Muraki, Tatsuji Enoki, Hiroaki Sagawa, Ikunoshin Kato
  • Publication number: 20050250715
    Abstract: The present invention relates to a therapeutic agent or prophylactic agent for a disease requiring enhancement of nerve growth factor (NGF) production upon treatment or prevention, an enhancing agent for nerve growth factor production, and a food, beverage or feed for enhancing nerve growth factor production, characterized in that each comprises as an effective ingredient a compound selected from the group consisting of soyasaponin compounds, soyasapogenin compounds, glycyrrhizin and salts thereof. In addition, the present invention relates to a novel soyasaponin compound and a novel soyasapogenin compound, having an action for enhancement of NGF production.
    Type: Application
    Filed: July 17, 2003
    Publication date: November 10, 2005
    Inventors: Hiromu Ohnogi, Katsumi Sugiyama, Hiroaki Sagawa, Ikunoshin Kato
  • Publication number: 20050239100
    Abstract: A convenient and effective method for amplifying a nucleic acid sequence characterized by effecting a DNA synthesis reaction in the presence of chimeric oligonucleotide primers; a method for supplying a large amount of DNA amplification fragments; an effective method for amplifying a nucleic acid sequence by combining the above method with another nucleic acid sequence amplification method; a method for detecting a nucleic acid sequence for detecting or quantitating a microorganism such as a virus, a bacterium, a fungus or a yeast; and a method for detecting a DNA amplification fragment obtained by the above method in situ.
    Type: Application
    Filed: October 27, 2004
    Publication date: October 27, 2005
    Applicant: TAKARA BIO INC.
    Inventors: Hiroyuki Mukai, Hiroaki Sagawa, Takashi Uemori, Junko Yamamoto, Jun Tomono, Eiji Kobayashi, Tatsuji Enoki, Osamu Takeda, Kazue Miyake, Yoshimi Sato, Mariko Moriyama, Haruhisa Sawaragi, Michio Hagiya, Kiyozo Asada, Ikunoshin Kato
  • Publication number: 20050227354
    Abstract: The present invention relates to a method for preparing a cytotoxic lymphocyte characterized in that the method comprises the step of carrying out at least one of induction, maintenance and expansion of a cytotoxic lymphocyte in the presence of fibronectin, a fragment thereof or a mixture thereof.
    Type: Application
    Filed: March 25, 2003
    Publication date: October 13, 2005
    Inventors: Hiroaki Sagawa, Mitsuko Ideno, Ikunoshin Kato
  • Patent number: 6951722
    Abstract: A convenient and effective method for amplifying a nucleic acid sequence characterized by effecting a DNA synthesis reaction in the presence of chimeric oligonucleotide primers; a method for supplying a large amount of DNA amplification fragments; an effective method for amplifying a nucleic acid sequence by combining the above method with another nucleic acid sequence amplification method; a method for detecting a nucleic acid sequence for detecting or quantitating a microorganism such as a virus, a bacterium, a fungus or a yeast; and a method for detecting a DNA amplification fragment obtained by the above method in situ.
    Type: Grant
    Filed: August 23, 2001
    Date of Patent: October 4, 2005
    Assignee: Takara Bio Inc.
    Inventors: Hiroyuki Mukai, Hiroaki Sagawa, Takashi Uemori, Junko Yamamoto, Jun Tomono, Eiji Kobayashi, Tatsuji Enoki, Osamu Takeda, Kazue Miyake, Yoshimi Sato, Mariko Moriyama, Haruhisa Sawaragi, Michio Hagiya, Kiyozo Asada, Ikunoshin Kato
  • Publication number: 20050202425
    Abstract: A gene encoding a polypeptide having an activity of digesting sulfated fucogalactan which is useful in sugar chain engineering reagents, analyzing the structures of sulfated fucose-containing polysaccharides and preparing degraded products of the polysaccharides; a genetic engineering process for producing the polypeptide; and the polypeptide obtained by the process.
    Type: Application
    Filed: September 5, 2002
    Publication date: September 15, 2005
    Inventors: Harumi Ueno, Jun Tomono, Hiroaki Sagawa, Takeshi Sakai, Ikunoshin Kato