Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6539356 | Signal encoding and decoding method with electronic watermarking | Kineo Matsui | 2003-03-25 |
| 6425082 | Watermark applied to one-dimensional data | Kineo Matsui | 2002-07-23 |