Patents by Inventor Shigenori Kumazawa

Shigenori Kumazawa 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: 7829591
    Abstract: Each of an antioxidant, an antimicrobial agent, an antitumor agent, a food and beverage product, cosmetics, a quasi-drug and a pharmaceutical of the present invention contains a new flavanone compound represented by the following structural formula: Alternatively, each of an antioxidant, an antimicrobial agent, an antitumor agent, a food and beverage product, cosmetics, a quasi-drug and a pharmaceutical of the present invention contains at least one flavanone compound selected from the group consisting of nymphaeol-A, nymphaeol-B, and nymphaeol-C.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: November 9, 2010
    Assignee: Pokka Corporation
    Inventors: Shigenori Kumazawa, Tsutomu Nakayama, Kayoko Shimoi, Takaki Goto, Syuichi Fukumoto, Tsutomu Arakaki
  • Patent number: 7256214
    Abstract: Each of an antioxidant, an antimicrobial agent, an antitumor agent, a food and beverage product, cosmetics, a quasi-drug and a pharmaceutical of the present invention contains a new flavanone compound represented by the following structural formula: Alternatively, each of an antioxidant, an antimicrobial agent, an antitumor agent, a food and beverage product, cosmetics, a quasi-drug and a pharmaceutical of the present invention contains at least one flavanone compound selected from the group consisting of nymphaeol-A, nymphaeol-B, and nymphaeol-C.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: August 14, 2007
    Assignee: Pokka Corporation
    Inventors: Shigenori Kumazawa, Tsutomu Nakayama, Kayoko Shimoi, Takaki Goto, Syuichi Fukumoto, Tsutomu Arakaki
  • Publication number: 20070161579
    Abstract: Each of an antioxidant, an antimicrobial agent, an antitumor agent, a food and beverage product, cosmetics, a quasi-drug and a pharmaceutical of the present invention contains a new flavanone compound represented by the following structural formula: Alternatively, each of an antioxidant, an antimicrobial agent, an antitumor agent, a food and beverage product, cosmetics, a quasi-drug and a pharmaceutical of the present invention contains at least one flavanone compound selected from the group consisting of nymphaeol-A, nymphaeol-B, and nymphaeol-C.
    Type: Application
    Filed: March 14, 2007
    Publication date: July 12, 2007
    Applicant: POKKA CORPORATION
    Inventors: Shigenori Kumazawa, Tsutomu Nakayama, Kayoko Shimoi, Takaki Goto, Syuichi Fukumoto, Tsutomu Arakaki
  • Publication number: 20060292204
    Abstract: Each of an antioxidant, an antimicrobial agent, an antitumor agent, a food and beverage product, cosmetics, a quasi-drug and a pharmaceutical of the present invention contains a new flavanone compound represented by the following structural formula: Alternatively, each of an antioxidant, an antimicrobial agent, an antitumor agent, a food and beverage product, cosmetics, a quasi-drug and a pharmaceutical of the present invention contains at least one flavanone compound selected from the group consisting of nymphaeol-A, nymphaeol-B, and nymphaeol-C.
    Type: Application
    Filed: June 18, 2004
    Publication date: December 28, 2006
    Inventors: Shigenori Kumazawa, Tsutomu Nakayama, Kayoko Shimoi, Takaki Goto, Syuichi Fukumoto, Tsutomu Arakaki
  • Patent number: 6007812
    Abstract: An imperfect fungus such as a microorganism belonging to the genus Curvularia in a culture medium containing nutrients utilizable for normal microorganisms and isolating MK7634 substance of a molecular formula: C.sub.8 H.sub.15 N.sub.3 O.sub.4 from the culture by, for example, solvent extraction, ion exchange resin technique or gel filtration chromatography. The MK7634 substance can be used as an active ingredient of drugs. In particular, the MK7634 substance is a novel anthelmintic substance and expected to be used as an active ingredient of anthelmintics.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: December 28, 1999
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Mina Kanda, Noriko Chiba, Shigenori Kumazawa, Masayuki Takagi, Kenzo Harimaya, Tadaaki Okada