Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8281391 | Contents transmission method and contents transmission system | Kazuhiro Yamada, Nobuyuki Watanabe, Masayuki Tsuda, Dai Kamiya, Mao Asai +4 more | 2012-10-02 |
| 8015616 | Contents transmission method and contents transmission system | Kazuhiro Yamada, Nobuyuki Watanabe, Masayuki Tsuda, Dai Kamiya, Mao Asai +4 more | 2011-09-06 |
| 7978877 | Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program | Takao Nakamura, Hiroshi Ogawa, Youichi Takashima | 2011-07-12 |
| 7899973 | Information processing device and program | Naoki Naruse, Yuichi Ichikawa, Tatsuro Oi, Nobuyuki Watanabe, Yasunori Hattori +9 more | 2011-03-01 |
| 7860270 | Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program | Takao Nakamura, Hiroshi Ogawa, Youichi Takashima | 2010-12-28 |
| 7817818 | Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program | Takao Nakamura, Hiroshi Ogawa, Youichi Takashima | 2010-10-19 |
| 7792323 | Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program | Takao Nakamura, Hiroshi Ogawa, Youichi Takashima | 2010-09-07 |
| 7647075 | Terminal device and program | Masayuki Tsuda, Mao Asai, Nobuyuki Watanabe, Tatsuro Oi, Yasunori Hattori +9 more | 2010-01-12 |
| 7640431 | Method and apparatus for digital watermarking | Hiroshi Ogawa, Takao Nakamura, Youichi Takashima | 2009-12-29 |
| 7590411 | Communication terminal operational with multiple applications | Naoki Yamane, Kazuhiro Yamada, Dai Kamiya, Satoshi Washio, Masayuki Tsuda +7 more | 2009-09-15 |
| 7587592 | Distribution method, distribution system, and terminal device | Nobuyuki Watanabe, Hisanori Sawada, Hideaki Nishio, Tomonori Nakamura, Fumiaki Miura | 2009-09-08 |
| 7558963 | Communication device and program | Naoki Naruse, Yuichi Ichikawa, Tatsuro Oi, Nobuyuki Watanabe, Yasunori Hattori +9 more | 2009-07-07 |
| 7530114 | Content delivery method and content delivery system | Kazuhiro Yamada, Nobuyuki Watanabe, Masayuki Tsuda, Dai Kamiya, Mao Asai +4 more | 2009-05-05 |
| 7421577 | Communication device, control method of communication device, program and communication method | Yuichi Ichikawa, Naoki Naruse, Tatsuro Oi, Nobuyuki Watanabe, Yasunori Hattori +9 more | 2008-09-02 |
| 7401127 | Communication terminal device and program | Masayuki Tsuda, Mao Asai, Nobuyuki Watanabe, Tatsuro Oi, Yasunori Hattori +9 more | 2008-07-15 |
| 7164778 | Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program | Takao Nakamura, Hiroshi Ogawa, Youichi Takashima | 2007-01-16 |
| 7164857 | Communication terminal and program | Mao Asai, Nobuyuki Watanabe, Masayuki Tsuda, Yasunori Hattori, Tatsuro Oi +9 more | 2007-01-16 |
| 7072492 | Method and apparatus for digital watermarking | Hiroshi Ogawa, Takao Nakamura, Youichi Takashima | 2006-07-04 |
| 6704431 | Method and apparatus for digital watermarking | Hiroshi Ogawa, Takao Nakamura, Youichi Takashima | 2004-03-09 |