Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769063 | Data converter and recording medium on which program for executing data conversion is recorded | Masayuki Kanda, Kazumaro Aoki, Hiroki Ueda, Kazuo Ohta, Tsutomu Matsumoto | 2004-07-27 |
| 6704431 | Method and apparatus for digital watermarking | Hiroshi Ogawa, Takao Nakamura, Atsuki Tomioka | 2004-03-09 |