Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8995686 | Sound volume control device, sound volume control method, and sound volume control program | — | 2015-03-31 |
| 8307446 | Data using apparatus | — | 2012-11-06 |
| 8234714 | Method and system for registering domain | — | 2012-07-31 |
| 6643384 | WATERMARK DATA HIDING APPARATUS, A METHOD OF HIDING WATERMARK DATA, A METHOD OF TRANSMITTING DATA INCLUDING WATERMARK DATA, A RECORDING MEDIUM STORING DATA INCLUDING WATERMARK DATA, A DATA AND WATERMARK DATA READING APPARATUS, AND A METHOD OF READING DATA AND WATERMARK DATA | Kazuo Hikawa | 2003-11-04 |
| 6636617 | Method and apparatus for inserting and extracting watermark into and from contents information | Takayuki Sugahara | 2003-10-21 |
| 5619595 | Apparatus for detecting motion vector included in image information | — | 1997-04-08 |