Issued Patents All Time
Showing 51–75 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7043138 | Broadcast receiver and system for performing copy prohibition and timed recording | Tatsuya Wakahara, Ichiro Hamada, Masao Mizutani | 2006-05-09 |
| 7039936 | Receiving system for digital broadcasting, data transmitting method in digital broadcasting receiving system, and receiving apparatus for digital broadcasting | Tatsuya Wakahara, Naoki Murayama, Masao Mizutani | 2006-05-02 |
| 7003790 | Broadcast-program selection history information acquisition apparatus and its method | Shinji Kakuyama, Kiyoshi Shimizu, Susumu Nagano | 2006-02-21 |
| 6985189 | Multimedia terminal equipment and digital processing method | Shinji Takada | 2006-01-10 |
| 6792000 | Data processing apparatus and data processing method, and recording medium | Takeo Morinaga, Iwao Yamamoto, Ichiro Hamada | 2004-09-14 |
| 6779198 | Data processing apparatus, data processing method, and recording medium | Takeo Morinaga, Iwao Yamamoto, Noriyuki Yamamoto, Koichi Oyama, Masashi Nakamura +1 more | 2004-08-17 |
| 6671290 | Receiving apparatus and recording/reproducing system for digital broadcasts | Naoki Murayama, Iwao Yamamoto, Tatsuya Wakahara, Ichiro Hamada | 2003-12-30 |
| 6631242 | Apparatus for recording and reproducing digital picture data | Yukio Kubota, Yoichirou Senshu, Akihiro Uetake, Shinichi Hasegawa, Moriyuki Kawaguchi +4 more | 2003-10-07 |
| 6580462 | Television broadcast receiving system | Shinji Kakuyama, Sunao Furui, Susumu Nagano | 2003-06-17 |
| 6467093 | Method and apparatus for receiving digital broadcasts | Noriyuki Yamamoto, Sadaharu Sato, Takehiko Nakano | 2002-10-15 |
| 6438319 | Recording digital video signals and redundancy signals for error correction | Naofumi Yanagihara | 2002-08-20 |
| 6380984 | Digital television broadcast receiving apparatus | Sunao Furui | 2002-04-30 |
| 6266481 | Conditional access system for local storage device | Chuen-Chien Lee, Koichi Goto | 2001-07-24 |
| 6104860 | Conditional access system for local storage device | Chuen-Chien Lee, Koichi Goto | 2000-08-15 |
| RE36763 | Apparatus and method for preventing unauthorized copying of video signals | Keiji Kanota, Yukio Kubota | 2000-07-04 |
| 6002836 | Recording and reproducing apparatus in which digital data having various transmission rates are processed at their optimum data rates | Hisato Shima, Keiji Kanota, Yukio Kubota, Akira Shimazu | 1999-12-14 |
| 5990881 | Near video-on-demand signal receiver | Yukio Kubota, Toshimichi Nagashima, Akira Shimazu, Keiji Kanota | 1999-11-23 |
| 5889919 | Copy protect recording and playback system that enables single authorized recording of protected broadcasts be made | Chien-Chien Lee | 1999-03-30 |
| 5884141 | Near video-on-demand signal receiver | Yukio Kubota, Toshimichi Nagashima, Akira Shimazu, Keiji Kanota | 1999-03-16 |
| 5878187 | Digital signal recording method and recording apparatus thereof | Yukio Kubota, Keiji Kanota | 1999-03-02 |
| 5862299 | Conditional access system for local storage device | Chuen-Chien Lee, Koichi Goto | 1999-01-19 |
| 5832085 | Method and apparatus storing multiple protocol, compressed audio video data | Mingning Gu, Masao Mizutani, Koji Iijima, Hiroshi Okada, Naofumi Yanagihara | 1998-11-03 |
| 5826168 | Near video-on-demand signal receiver | Yukio Kubota, Toshimichi Nagashima, Akira Shimazu, Keiji Kanota | 1998-10-20 |
| 5737480 | Data recording apparatus | Takahito Seki, Yukio Kubota, Keiji Kanota | 1998-04-07 |
| 5729280 | Near video-on-demand signal receiver having a memory which provides for VCR like functions | Yukio Kubota, Toshimichi Nagashima, Akira Shimazu, Keiji Kanota | 1998-03-17 |