Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7849319 | Method and device for incorporating additional information into main information through electronic watermarking technique | Kosei Terada | 2010-12-07 |
| 7545936 | Method and device for incorporating additional information into main information through electronic watermarking technique | Kosei Terada | 2009-06-09 |
| 7485795 | Method and device for storing main information with associated additional information incorporated therein | — | 2009-02-03 |
| 7406594 | Method and apparatus for certification and authentication of users and computers over networks | — | 2008-07-29 |
| 7388144 | Method and device for storing main information with associated additional information incorporated therein | — | 2008-06-17 |
| 7361824 | Method and device for storing main information with associated additional information incorporated therein | — | 2008-04-22 |
| 7015388 | Method and device for storing main information with associated additional information incorporated therein | — | 2006-03-21 |
| 6959383 | Method and device for incorporating additional information into main information through electronic watermaking technique | Kosei Terada | 2005-10-25 |
| 6380474 | Method and apparatus for detecting performance position of real-time performance data | Masato Suzuki | 2002-04-30 |
| 6359573 | Method and system for embedding electronic watermark information in main information | Shigeo Tsunoda | 2002-03-19 |
| 6209096 | Method and device for storing main information with associated additional information incorporated therein | — | 2001-03-27 |