Patents by Inventor Wen-Yuan Zhu

Wen-Yuan Zhu 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).

  • CAPTCHA AND reCAPTCHA WITH SINOGRAPHS
    Publication number: 20120023549
    Abstract: A method for inviting a challenged entity to provide input concerning a sinograph includes displaying, to the challenged entity, a first region having an image of a challenge sinograph; displaying at least a first event-sensitive region, the first event-sensitive region having an image of a real root of the challenge sinograph; and displaying at least a second event-sensitive region. The second event sensitive region has an image of a faux root of the challenge sinograph.
    Type: Application
    Filed: July 21, 2011
    Publication date: January 26, 2012
    Applicant: Academia Sinica
    Inventors: Ling-Jyh Chen, Der-Ming Juang, Wen-Yuan Zhu, Hsiao-Hsuan Yu, Fu-Wei Chen