Patents by Inventor Jun-ichi Hase

Jun-ichi Hase 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).

  • Novel hydroxamic acid compounds, method for preparation thereof and medicaments containing such compounds
    Patent number: 4256765
    Abstract: A novel hydroxamic acid compound represented by the general formula:R.sub.1 --CONHCH.sub.2 CONHOHwherein R.sub.1 is an alkyl, cycloalkyl or cycloalkyl alkyl group having from 4 to 11 carbon atoms, and pharmacologically acceptable salt thereof, and a method for the preparation of the above-mentioned compound and salt, and a novel medicament for the treatment of urolithiasis and pyelonephritis, containing the above-mentioned compound or salt as an active ingredient.
    Type: Grant
    Filed: September 18, 1979
    Date of Patent: March 17, 1981
    Assignee: Eisai Co., Ltd.
    Inventors: Keiichi Munakata, Satoru Tanaka, Tamotsu Kanazawa, Masaru Satoh, Jun-ichi Hase, Kyoichi Kobashi