Inventor
YAMAGISHI YOSHIKAZU
JP4 patents
Patents
4 patentsUS8068611B2Nov 29, 2011
Method of playing broadcast program contents using encryption and decryption techniques
YAMAGISHI YOSHIKAZU2 citations57
US8275246B2Sep 25, 2012
Digital content reproducing and storing apparatus, digital content reproducing and storing method, digital content storing apparatus, digital content reproducing apparatus, and computer readable medium storing digital content reproducing and storing program
YAMAGISHI YOSHIKAZU0 citations30
US8176507B2May 8, 2012
Advertisement-section detecting apparatus and advertisement-section detecting program
YAMAGISHI YOSHIKAZU0 citations30
US8656306B2Feb 18, 2014
Apparatus and method for displaying image
YAMAGISHI YOSHIKAZU0 citations29