Patents by Inventor Rieko Matsui

Rieko Matsui 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).

  • Purified flavonoid and diterpene 5.alpha.-reductase inhibitors from thuja orientalis for androgen-related diseases
    Patent number: 5773005
    Abstract: Strong 5.alpha.a-reductase inhibitors are extracted and fractionated from Thuja orientalis and other similar crude drugs or they may be purified as diterpenes in isolated form. The inhibitors are used either on their own or as active ingredients of therapeutics in the treatment of diseases caused by the overactivity of 5.alpha.a-reductase or the hypersecretion of androgens, such as male pattern baldness, androgenetic alopecia, hirsutism, acne, prostatomegaly and cancer of the prostate.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: June 30, 1998
    Inventors: Hidehiko Takahashi, Susumu Hara, Rieko Matsui