Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11238718 | Vibration control device | Mitsuo Yasushi, Yoshikazu Takeuchi, Kota Kakisaka, Kenta ISOZAKI, Takashi Morishige +3 more | 2022-02-01 |
| 7085474 | Watermark detecting apparatus | Hiroshi Iwamura, Hidejiro Higashi, Keiji Katata | 2006-08-01 |
| 6990584 | Method of and apparatus for restricting copy of digital information, and apparatus for recording digital information | Hiroshi Yoshiura, Hiroyuki Kimura, Akira Ogino, Yoshiaki Moriyama | 2006-01-24 |
| 6954856 | Additional information embedding method, additional information detecting method, additional information embedding apparatus and additional information detecting apparatus | Takashi Kohashi, Akira Ogino, Hiroyuki Kimura, Hiroshi Yoshiura, Yoshiaki Moriyama | 2005-10-11 |
| 6823074 | Digital-watermark superposing apparatus and digital-watermarker detecting apparatus | Takeshi Nakamura, Yoshiaki Moriyama | 2004-11-23 |
| 6804452 | Apparatus for generating recording signal including image data and copy condition information | Kazuo Kuroda, Hidejiro Higashi, Yoshiaki Moriyama, Keiichi Yamauchi | 2004-10-12 |
| 6711276 | Control method and apparatus for embedding information in data | Hiroshi Yoshiura, Isao Echizen, Takao Arai, Hiroyuki Kimura, Toshifumi Takeuchi +2 more | 2004-03-23 |
| 6707774 | Recording and reproducing system, recording apparatus and reproducing apparatus having copy protection function | Kazuo Kuroda, Toshio Suzuki, Yoshiaki Moriyama | 2004-03-16 |
| 6633723 | Recording and reproducing system, recording apparatus and reproducing apparatus having copy protection function | Kazuo Kuroda, Toshio Suzuki, Yoshiaki Moriyama | 2003-10-14 |
| 6449015 | Redundant picture detecting device, and picture converting apparatus employing the same | — | 2002-09-10 |
| 6389152 | Method and apparatus for superposing a digital watermark and method and apparatus for detecting a digital watermark | Takeshi Nakamura, Yoshiaki Moriyama | 2002-05-14 |
| 6246775 | Method and appartus for superposing a digital watermark and method and apparatus for detecting a digital watermark | Takeshi Nakamura, Yoshiaki Oriyama | 2001-06-12 |
| 6111990 | Digital-watermark superposing apparatus and digital-watermarker detecting apparatus | Takeshi Nakamura, Yoshiaki Moriyama | 2000-08-29 |