Patents by Inventor Toshiharu Megumi

Toshiharu Megumi 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).

  • N-(3,3-diphenylpropyl)-n'-aralkyl-substituted piperazines
    Patent number: 3957790
    Abstract: N-(3,3-Diphenylpropyl)-N'-aralkyl-substituted piperazines which have a structure in which a hydrogen in the N'-benzene ring has been substituted for by --(OCH.sub.3).sub.n (in which n represents an integer from 0 - 3) were synthesized. These compounds are novel compounds that are not found in literature, and have a coronary blood flow increasing action in considerably lower amounts than do conventional piperazine compounds having similar effects.
    Type: Grant
    Filed: March 6, 1975
    Date of Patent: May 18, 1976
    Assignee: Tokyo Tanabe Company, Ltd.
    Inventors: Tadayuki Suzuki, Toshiharu Megumi