Patents by Inventor Iwao Arai

Iwao Arai 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).

  • PHARMACEUTICALS FOR XEROSIS
    Publication number: 20100204320
    Abstract: A method for preventing or treating xerosis by applying a prostaglandin D receptor selective agonist to a mammal.
    Type: Application
    Filed: April 19, 2010
    Publication date: August 12, 2010
    Applicants: Taisho Pharmaceutical Co., Ltd., Fumie Sato
    Inventors: Iwao ARAI, Nobuko Futaki, Yuki Hashimoto, Masanori Sugimoto
  • Pharmaceuticals for xerosis
    Patent number: 7737182
    Abstract: A method for or treating xerosis by applying a prostaglandin D receptor selective agonist to a mammal.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: June 15, 2010
    Assignees: Taisho Pharmaceutical Co., Ltd., Fumie Sato
    Inventors: Iwao Arai, Nobuko Futaki, Yuki Hashimoto, Masanori Sugimoto
  • Antipruritic agent
    Patent number: 7718701
    Abstract: A method of treating atopy-evoked pruritic symptoms by administering a prostaglandin derivative.
    Type: Grant
    Filed: August 7, 2003
    Date of Patent: May 18, 2010
    Assignees: Taisho Pharmaceutical Co., Ltd., Fumi Sato
    Inventors: Fumie Sato, Iwao Arai, Norikazu Takano, Tohru Tanami, Makoto Yagi
  • Pharmaceuticals for xerosis
    Publication number: 20050192357
    Abstract: A method for preventing or treating xerosis which comprises applying a prostaglandin D receptor selective agonist to a mammal.
    Type: Application
    Filed: February 4, 2005
    Publication date: September 1, 2005
    Inventors: Iwao Arai, Nobuko Futaki, Yuki Hashimoto, Masanori Sugimoto
  • Antipruritics
    Publication number: 20040266880
    Abstract: The pharmaceutical preparation of the invention, which comprises a prostaglandin or a pharmaceutically acceptable salt thereof as an effective ingredient, has an antipruritic effect with fewer side effects. It is particularly effective in controlling the itch sensation accompanying atopic symptoms.
    Type: Application
    Filed: April 19, 2004
    Publication date: December 30, 2004
    Inventors: Fumie Sato, Iwao Arai, Norikazu Takano, Tohru Tanami, Makoto Yagi
  • N-substituted amide derivatives useful for treating liver diseases
    Patent number: 4937360
    Abstract: N-substituted amide derivative represented by the formula ##STR1## wherein A is --CH(OH)-- or --C(.dbd.O)--, R.sup.1 is a hydrogen atom or an lkyl group having 1 to 3 carbon atoms, and R.sup.2 is an alkyl group having 1 to 6 carbon atoms, are disclosed. These compounds are useful for prevention and therapy for liver diseases.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: June 26, 1990
    Assignees: Taisho Pharmaceutical Co., Ltd., The Institute of Materia Medica of Chinese Academy of Medical Sciences
    Inventors: Geng-tao Liu, Liang Huang, Er-chang Rao, Jin Zhou, Yan Li, Katsuo Hatayama, Tatsuhiko Sano, Kensei Yoshikawa, Shohei Higuchi, Iwao Arai