Patents by Inventor Seiji Kosemura

Seiji Kosemura 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).

  • PIGMENT COMPOUND, METHOD OF PRODUCING THE SAME, AND COLORING AGENT
    Publication number: 20110178303
    Abstract: An object of the present invention is to provide a novel plant-derived pigment compound, which is a pigment compound represented by Formula II: (wherein R1 to R3 independently represent a hydroxyl group or an alkoxy group having 1 to 4 carbon atoms, and R4 and R5 independently represent a hydrogen atom, an acyl group having 1 to 4 carbon atoms, or an alkyl group having 1 to 4 carbon atoms). The compound is a yellow pigment extracted from the endosperm or the like of the rice cultivar “Hatsuyamabuki.
    Type: Application
    Filed: August 14, 2009
    Publication date: July 21, 2011
    Inventors: Hiroshi Nakano, Makoto Sakai, Ryota Kaji, Mitsuru yoshida, Seiji Kosemura, Toshisada Suzuki, Katsutoshi Hirose
  • Vasodilating agent
    Patent number: 5433957
    Abstract: A vasodilating agent and a hair growth promoting agent comprising an extract of hypericum erectum thunb as an effective component are disclosed. The hypericum erectum thunb extract is prepared from ground leaf, stem, root, fruit, seed, or flower of hypericum erectum thunb by extraction with an organic solvent. It is effective for curing or preventing diseases caused by disorder in blood circulation such as hypertension, angina pectories, myocardial infarction, congestive heart failure, frostbite, chilblain, cold constitution, and alopecia.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: July 18, 1995
    Assignee: Kao Corporation
    Inventors: Seiji Kikuta, Katsunori Aizawa, Seiji Kosemura, Tetsuro Kamiya, Mitsuyuki Hotta
  • Vasodilating agent
    Patent number: 5288485
    Abstract: A vasodilating agent and a hair growth promoting agent comprising an extract of hypericum erectum thunb as an effective component are disclosed. The hypericum erectum thunb extract is prepared from ground leaf, stem, root, fruit, seed, or flower of hypericum erectum thunb by extraction with an organic solvent. It is effective for curing or preventing diseases caused by disorder in blood circulation such as hypertension, angina pectories, myocardial infarction, congestive heart failure, frostbite, chilblain, cold constitution, and alopecia.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: February 22, 1994
    Assignee: Kao Corporation
    Inventors: Seiji Kikuta, Katsunori Aizawa, Seiji Kosemura, Tetsuro Kamiya, Mitsuyuki Hotta