Patents by Inventor Akira Kiyohara

Akira Kiyohara 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: 4172145
    Abstract: This invention relates to certain derivatives of benzo (b) furylacetic acid, namely, 5-substituted-3-methyl-2-benzo(b)furylacetic acids having interesting pharmacological properties, in particular an antiphlogistic and analgesic activity.
    Type: Grant
    Filed: February 15, 1978
    Date of Patent: October 23, 1979
    Assignee: Kyowa Hakko Kogyo Kabushiki Kaisha
    Inventors: Shigetaka Yoshina, deceased, Tsutomu Kameyama, Yoshimasa Oiji, Akira Kiyohara
  • Patent number: 4126625
    Abstract: This invention relates to certain derivatives of benzo (b) furylacetic acid, namely, 5-substituted-3-methyl-2-benzo(b)furylacetic acids having interesting pharmacological properties, in particular an antiphlogistic and analgesic activity.
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: November 21, 1978
    Assignee: Kyowa Hakko Kogyo Kabushiki Kaisha
    Inventors: Shigetaka Yoshina, deceased, by Teruko Yoshina, legal heir, Tsutomu Kameyama, Yoshimasa Oiji, Akira Kiyohara