Patents by Inventor Shigetaka Yoshina, deceased

Shigetaka Yoshina, deceased 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).

  • Benzo(b)furylacetic acid derivatives to reduce inflammation
    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
  • Certain 5-substituted-3-methyl-2-benzofuran acetic acids
    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
  • Anti-inflammatory 1-oxo-isoindoline derivatives and processes for their preparation
    Patent number: 4116972
    Abstract: Hydrogenated 1-oxo-isoindoline derivatives having a strong anti-inflammatory activity may be prepared by reducing the corresponding hydrogenated 1,3-dioxo-isoindoline derivative to the 3-hydroxy-1-oxo-isoindoline derivative and then further reducing, dehydrating or hydrolizing this compound.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: September 26, 1978
    Assignee: Fuji Chemical Industry Company Limited
    Inventors: Tsutomu Kameyama, Shigetaka Yoshina, deceased, Takami Yoshina, heir at law