Patents by Inventor Shizuko Kobayashi

Shizuko Kobayashi 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).

  • Radiation protection drug containing tocopherol or tocotrienol compound ester derivative as active ingredient
    Patent number: 8299277
    Abstract: Administration of either a tocopherol represented by the general formula (1) or a tocotrienol compound ester derivative before or after exposure to radiation is effective in preventing or treating health disorders caused by the radiation exposure.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: October 30, 2012
    Assignees: National Institute of Radiological Sciences, Fukuoka University
    Inventors: Kazunori Anzai, Megumi Ueno, Haruko Yakumaru, Junichi Ueda, Makoto Akashi, Shizuko Kobayashi, Jiro Takata, Nobuo Ikota
  • RADIATION PROTECTION DRUG CONTAINING TOCOPHEROL OR TOCOTRIENOL COMPOUND ESTER DERIVATIVE AS ACTIVE INGREDIENT
    Publication number: 20100048512
    Abstract: Administration of either a tocopherol represented by the general formula (1) or a tocotrienol compound ester derivative before or after exposure to radiation is effective in preventing or treating health disorders caused by the radiation exposure.
    Type: Application
    Filed: November 14, 2007
    Publication date: February 25, 2010
    Applicants: National Institute of Radiological Sciences, Fukuoka University
    Inventors: Kazunori Anzai, Megumi Ueno, Haruko Yakumaru, Junichi Ueda, Makoto Akashi, Shizuko Kobayashi, Jiro Takata, Nobuo Ikota
  • Skin preparation comprising a tocopherol derivative for external application
    Publication number: 20050065206
    Abstract: The present invention relates to a skin preparation for external application, comprising a tocopherol aminoalkylcarboxylate ester having no substituent on the N atom and/or a salt thereof. Preferable tocopherol aminoalkylcarboxylate in the present invention is one or more compound selected from ?-tocopherol derivatives, ?-tocopherol derivatives, ?-tocopherol derivatives and ?-tocopherol derivatives. The present invention also relates to a cosmetic material comprising the skin preparation.
    Type: Application
    Filed: October 28, 2002
    Publication date: March 24, 2005
    Inventors: Eiko Kato, Toshi Tsuzuki, Jiro Takata, Yoshiharu Karube, Kazuhisa Matsunaga, Shizuko Kobayashi
  • Skin preparation comprising a tocopherol derivative for external application
    Publication number: 20050048011
    Abstract: The present invention relates to a skin preparation for external application, comprising a tocopherol aminoalkylcarboxylate ester having a substituent on the N atom and/or a salt thereof. The preferable tocopherol aminoalkylcarboxylate ester in the present invention is one or more compound selected from ?-tocopherol derivatives, ?-tocopherol derivatives, ?-tocopherol derivatives and ?-tocopherol derivatives. The present invention also relates to a cosmetic material comprising the skin preparation for external application.
    Type: Application
    Filed: October 28, 2002
    Publication date: March 3, 2005
    Inventors: Eiko Kato, Toshi Tsuzuki, Jiro Takata, Yoshiharu Karube, Kazuhisa Matsunaga, Shizuko Kobayashi
  • Tocotrienol derivative, process for producing the same and &ggr;-CEHC delivering agent
    Patent number: 6599933
    Abstract: The object of the present invention is to provide a tocotrienol derivative which is highly water-soluble and shows high bioavailability in the living body and &ggr;-CEHC delivering agent. (A tocotrienolcarboxylic acid ester derivative represented by the general formula (I). (wherein R2 means a carboxylic acid residue having a nitrogen substituent, and R1 and R3 mean a hydrogen atom or a methyl group.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: July 29, 2003
    Assignees: Kenko Corporation
    Inventors: Jiro Takata, Takeshi Fukushima, Kazuhiro Imai, Yoshiharu Karube, Kazuhisa Matsunaga, Michihiro Fujiwara, Akihiro Hattori, Ryoji Hidaka, Katsunori Iwasaki, Kenichi Mishima, Shizuko Kobayashi
  • Tocotrienol derivative, process for producing the same and gamma-CEHC delivering agent
    Publication number: 20030027857
    Abstract: The object of the present invention is to provide a tocotrienol derivative which is highly water-soluble and shows high bioavailability in the living body and &ggr;-CEHC delivering agent.
    Type: Application
    Filed: March 2, 2001
    Publication date: February 6, 2003
    Applicant: Jiro Takata
    Inventors: Jiro Takata, Takeshi Fukushima, Kazuhiro Imai, Yoshiharu Karube, Kazuhisa Matsunaga, Michihiro Fujiwara, Akihiro Hattori, Ryoji Hidaka, Katsunori Iwasaki, Kenichi Mishima, Shizuko Kobayashi
  • Prophylactic and therapeutic agents for cataracts
    Patent number: 5110796
    Abstract: A prophylactic and therapeutic agent is provided for the prevention and treatment of cataracts. The agent is comprised of glutathione monoalkyl esters such as, isopropyl.gamma.-L-glutamyl-L-cysteinyl glycinate sulfate, and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: December 7, 1989
    Date of Patent: May 5, 1992
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Motokazu Itoi, Shizuko Kobayashi, Yasuo Ishii, Minako Kasuya