Patents by Inventor Tomio Maenaka

Tomio Maenaka 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).

  • Patent number: 4602026
    Abstract: An ophthalmic topical agent for remedy of diseases of iris and ciliary body containing 5-(3-ethoxy-4-pentyloxyphenyl)-2,4-thiazolidinedione or its physiologically acceptable salt as an active ingredient.
    Type: Grant
    Filed: July 30, 1985
    Date of Patent: July 22, 1986
    Assignee: Senju Pharmaceutical Co., Ltd.
    Inventors: Takashi Awata, Tomio Maenaka, Yutaka Kawamatsu