Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6714649 | Pay broadcasting system with enhanced security against illegal access to a down loaded program in a subscriber terminal | Isao Masuda, Yoshimasa Goto, Kazuhiro Machida, Mitsuteru Kataoka | 2004-03-30 |
| 6546556 | Video clip identification system unusable for commercial cutting | Mitsuteru Kataoka, Kazuhiro Machida | 2003-04-08 |
| 6282209 | Method of and system capable of precisely clipping a continuous medium obtained from a multiplexed bit stream | Mitsuteru Kataoka | 2001-08-28 |
| 6262721 | Service supply apparatus for supplying a service of a broadcasting program with attribute information of the program | Ryota Tsukidate, Yoshiyasu Takeuchi, Kazuhiro Machida, Shigeki Kaneko, Kenichi Fujita +1 more | 2001-07-17 |
| 6243469 | Information transmission method and apparatus | Mitsuteru Kataoka, Kazuhiro Machida, Isao Masuda | 2001-06-05 |
| 6035304 | System for storing and playing a multimedia application adding variety of services specific thereto | Kazuhiro Machida, Shigeki Kaneko, Ryota Tsukidate, Yoshiyasu Takeuchi, Kenichi Fujita | 2000-03-07 |
| 5721583 | Interactive television system for implementing electronic polling or providing user-requested services based on identification of users or of remote control apparatuses which are employed by respective users to communicate with the system | Ryota Tsukidate | 1998-02-24 |