Patents by Inventor Taki Takenami

Taki Takenami 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).

  • Pyridazinone derivatives or their salts, processes for their production, and anti-shock agents containing them
    Patent number: 5763439
    Abstract: A pyridazinone derivative of the formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein Q, A, and R.sup.1 -R.sup.4 are as defined herein, useful as an anti-shock agent.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: June 9, 1998
    Assignee: Ishihara Sangyo Kaisha Ltd.
    Inventors: Itaru Shigehara, Shinji Odawara, Hiroshi Okada, Hirohiko Kimura, Masato Omatsu, Hitoshi Nakayama, Rie Higuchi, Taki Takenami