Patents by Inventor Tadasu Oishi

Tadasu Oishi 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).

  • Speech recognition method remote controller, information terminal, telephone communication terminal and speech recognizer
    Publication number: 20050043948
    Abstract: A speech recognition method can be preferably applied to equipment for constantly performing speech recognition, converts speech into an acoustic parameter series, calculates for the acoustic parameter series the likelihood of a hidden Markov model 22 corresponding to the speech unit label series about a registered word and the likelihood of a virtual model 23 corresponding to the speech unit label series for recognition of speech other than the registered word, and performs speech recognition based on the likelihoods.
    Type: Application
    Filed: December 17, 2002
    Publication date: February 24, 2005
    Inventors: Seiichi Kashihara, Hideyuki Yamagishi, Katsumasa Nagahama, Tadasu Oishi