Patents by Inventor Tadamasa Saito

Tadamasa Saito 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).

  • Drug for preventing and/or treating dementia
    Patent number: 11925633
    Abstract: Provided is a drug superior for preventing and/or treating dementia. It contains a carbostyril derivative of the following formula (1) (wherein R is a cycloalkyl group, A is a lower alkyl group, and a single bond or a double bond is present between the 3-position and the 4-position of the carbostyril nucleus) and dihydroquercetin.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: March 12, 2024
    Assignee: NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER
    Inventors: Tadamasa Matsumoto, Masafumi Ihara, Satoshi Saito, Masanori Fukushima
  • 4-amino(alkyl)cyclohexane-1-carboxamide compound and use thereof
    Patent number: 5478838
    Abstract: 4-Amino(alkyl)cyclohexane-1-carboxamide compounds of the formula (I) ##STR1## wherein each symbol is as defined in the Specification, isomers thereof and pharmaceutically acceptable acid addition salts thereof.The 4-amino(alkyl)cyclohexane-1-carboxamide compounds, isomers thereof and pharmaceutically acceptable acid addition salts thereof of the present invention have potent and long-lasting coronary, cerebral, renal and peripheral blood flow increasing actions and are less toxic, and thus are useful as a potent and long-lasting antihypertensive agent and an agent for the prevention and treatment of diseases in the circulatory organs such as coronary, cerebral, renal and peripheral arteries.
    Type: Grant
    Filed: March 7, 1994
    Date of Patent: December 26, 1995
    Assignee: Yoshitomi Pharmaceutical Industries, Ltd.
    Inventors: Masafumi Arita, Tadamasa Saito, Hirofumi Okuda, Hiroyuki Sato, Masayoshi Uehata