Masataka Okayama

System for managing license for protecting content, server for issuing license for protecting content, and terminal for using content protected by license

Video capture device

Data recording controller, method of controlling data recording controller, program, data recording system, and data recording device

Method and apparatus for using contents

Data receiving apparatus and data receiving method

Content transmission control device, content distribution device and content receiving device

Apparatus for Encrypted Communication on Network

Data receiving apparatus and data reproducing apparatus

Video capture device, video recording/playing apparatus having the video capture device attached thereto, and video input device

Multi-window system and display method for controlling execution of an application for a window system and an application for a non-window system