Patents by Inventor Katsuyoshi Sugizaki

Katsuyoshi Sugizaki 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-pyridylalkyl)sulfonamide compounds which have useful pharmaceutical activity
    Patent number: 5374641
    Abstract: Illustrative examples of the N-(3-pyridylalkyl)sulfonamide derivative are represented by the following formulae [II] and [III]: ##STR1## The derivatives are available for a thromboxane A.sub.2 production inhibitor, a thromboxane A.sub.2 antagonist, a prostaglandin H.sub.2 antagonist, an anti-thrombus agent, a thrombus-preventing agent and an anti-allergy agent.
    Type: Grant
    Filed: February 24, 1992
    Date of Patent: December 20, 1994
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Hiroyuki Ohnishi, Masazumi Miyakoshi, Masashi Isozaki, Masayuki Fujitake, deceased, Naoya Mikami, Ryohei Yanoshita, Harue Akasofu, Katsuyoshi Sugizaki, Nobuyuki Nakata