Patents by Inventor Hyunjoo Shim

Hyunjoo Shim 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: 6583147
    Abstract: The present invention relates to pyrazolopyrimidinone derivatives of formula 1, their preparation method and pharmaceutical compositions containing the said derivatives. The compounds have efficacy on the treatment of impotence, one of male sexual dysfunctions with the side effects reduced.
    Type: Grant
    Filed: May 9, 2001
    Date of Patent: June 24, 2003
    Assignee: Dong A Pharm Co., Ltd.
    Inventors: Moohi Yoo, Wonbae Kim, Min Sun Chang, Joong In Lim, Dong Sung Kim, Ik Yon Kim, Tae Kyun Lim, Byoung Ok Ahn, Kyung Koo Kang, Miwon Son, Hyounmie Doh, Soonhoe Kim, Hyunjoo Shim, Taeyoung Oh, Heungjae Kim, Dong Goo Kim