Patents by Inventor Tetsuaki Kawahara

Tetsuaki Kawahara 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).

  • Code judging apparatus and method, record medium judging apparatus and method, and information recording apparatus and method
    Patent number: 6728181
    Abstract: A code judging apparatus is provided with: a detecting device (11) for optically detecting an information code including at least identification information to individually identify a writable record medium (DK), in which record information can be written, from the writable record medium to thereby output an output signal; a moving device (19) for moving the detecting device onto a set area, which is an area on the writable record medium where the information code is supposed to be recorded; and a judging device (19) for judging whether or not the information code is recorded on the writable record medium, in accordance with the output signal outputted from the detecting device moved on the set area.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: April 27, 2004
    Assignee: Pioneer Corporation
    Inventors: Yoshitaka Shimoda, Masayoshi Yoshida, Tsuyoshi Hasebe, Tetsuaki Kawahara
  • Code judging apparatus and method record medium judging apparatus and method, and information recording apparatus and method
    Publication number: 20010006575
    Abstract: A code judging apparatus is provided with: a detecting device (11) for optically detecting an information code including at least identification information to individually identify a writable record medium (DK), in which record information can be written, from the writable record medium to thereby output an output signal; a moving device (19) for moving the detecting device onto a set area, which is an area on the writable record medium where the information code is supposed to be recorded; and a judging device (19) for judging whether or not the information code is recorded on the writable record medium, in accordance with the output signal outputted from the detecting device moved on the set area.
    Type: Application
    Filed: December 28, 2000
    Publication date: July 5, 2001
    Applicant: PIONEER CORPORATION
    Inventors: Yoshitaka Shimoda, Masayoshi Yoshida, Tsuyoshi Hasebe, Tetsuaki Kawahara