Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8712564 | Audio conversation apparatus | Tsuyoshi Kindo, Takashi Akita | 2014-04-29 |
| 8315401 | Speaker system | Takahiro Hayakawa, Junichi Matsuda, Kenichi Noguchi | 2012-11-20 |
| 8014884 | Audio conversation apparatus | Tsuyoshi Kindo, Takashi Akita | 2011-09-06 |
| 7577251 | Data player, digital contents player, playback system, data embedding apparatus, and embedded data detection apparatus | Hirotsugu Kawada, Susumu Ibaraki, Makoto Tatebayashi, Shunji Harada | 2009-08-18 |
| 7286616 | Data transmission system | Yutaka Takahira, Yuji Mizuguchi, Nobuhiko Yasui, Takahisa Sakai, Hirotsugu Kawada +1 more | 2007-10-23 |
| 7245719 | Recording method and apparatus, optical disk, and computer-readable storage medium | Hirotsugu Kawada, Katsuhiko Miwa, Yoshihiro Mori, Masaaki Takata | 2007-07-17 |
| 7218678 | Digital data transmitter | Yuji Mizuguchi, Takahisa Sakai, Hirotsugu Kawada, Toshihiko Kurosaki | 2007-05-15 |
| 7190728 | Digital data transmitter, transmission line encoding method, and decoding method | Hirotsugu Kawada, Yuji Mizuguchi, Takahisa Sakai, Toshihiko Kurosaki | 2007-03-13 |
| 7133936 | Ring network and data transmitter | Yuji Mizuguchi, Takahisa Sakai, Hirotsugu Kawada, Toshihiko Kurosaki, Nobuhiko Yasui +1 more | 2006-11-07 |
| 7120251 | Data player, digital contents player, playback system, data embedding apparatus, and embedded data detection apparatus | Hirotsugu Kawada, Susumu Ibaraki, Makoto Tatebayashi, Shunji Harada | 2006-10-10 |
| 7042965 | Judgment level setting method and data receiver | Yuji Mizuguchi, Takahisa Sakai, Hirotsugu Kawada, Toshihiko Kurosaki | 2006-05-09 |
| 7012936 | Initializing method and data transmitter | Hirotsugu Kawada, Yuji Mizuguchi, Takahisa Sakai, Toshihiko Kurosaki, Nobuhiko Yasui +1 more | 2006-03-14 |
| 6992537 | Receiver | Nobuhiko Yasui, Takahisa Sakai, Yuji Mizuguchi, Yutaka Takahira, Hirotsugu Kawada +3 more | 2006-01-31 |
| 6972796 | Image pickup system and vehicle-mounted-type sensor system | Hirotsugu Kawata, Susumu Ibaraki, Takahisa Sakai, Toshiaki Mori, Akihiro Yamamoto +2 more | 2005-12-06 |
| 6971022 | Cryptographic apparatus for performing cryptography on a specified area of content data | Susumu Ibaraki, Shinji Inoue, Makoto Tatebayashi | 2005-11-29 |
| 6839006 | Communication device | Takahisa Sakai, Yuji Mizuguchi, Toshitomo Umei | 2005-01-04 |
| 6647098 | System and device for communications | Takahisa Sakai, Yuji Mizuguchi, Hirotsugu Kawada | 2003-11-11 |
| 6434538 | Data control method, for embedding data control information, method for detecting data control information, device for embedding data control information and device for recording data | Susumu Ibaraki | 2002-08-13 |
| 6408027 | Apparatus and method for coding moving picture | Toshiaki Mori, Susumu Ibaraki | 2002-06-18 |
| 6381254 | Moving image encoding device/method, moving image multiplexing device/method, and image transmission device | Toshiaki Mori, Toshihiko Kurosaki | 2002-04-30 |
| 6353444 | User interface apparatus and broadcast receiving apparatus | Toshiaki Mori, Hirotsugu Kawata, Toshihiko Kurosaki, Yoshiaki Kushiki | 2002-03-05 |
| 6173012 | Moving picture encoding apparatus and method | Kazuhiko Nakamura | 2001-01-09 |
| 6115421 | Moving picture encoding apparatus and method | Kazuhiko Nakamura | 2000-09-05 |
| 6094455 | Image compression/encoding apparatus and system with quantization width control based on bit generation error | — | 2000-07-25 |
| 5706346 | Scrambling apparatus and descrambling apparatus | Hiroki Murakami, Susumu Ibaraki, Seiji Nakamura | 1998-01-06 |