Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9270661 | Communication network system, gateway, data communication method and program providing medium | Youji Kawamoto, Motomasa Futagami | 2016-02-23 |
| 8612630 | Communication network system, gateway, data communication method and program providing medium | Youji Kawamoto, Motomasa Futagami | 2013-12-17 |
| 8468218 | Reproducing apparatus, reproducing control method, and program | Mamoru Shinada | 2013-06-18 |
| 8352374 | Article of manufacture for controlling the use of content by providing for the delegation of rendering rights | Eric Swenson, Ryuji Ishiguro, Pierre Chavanne | 2013-01-08 |
| 8255573 | Communication network system, gateway, data communication method and program providing medium | Youji Kawamoto, Motomasa Futagami | 2012-08-28 |
| 8239961 | Digital rights management using trusted time | Marc E. Strohwig, Yoji Kawamoto, Pierre Chavanne, Norifumi Goto, Oscar H. Steele, III +1 more | 2012-08-07 |
| 8161129 | Communication system, network system, information controller and terminal equipment | Yoji Kawamoto, Hirofumi Kawamura, Motomasa Futagami | 2012-04-17 |
| 8042192 | Information processing apparatus, information processing method, recording medium, and program | Yoji Kawamoto, Ryuji Ishiguro, Yuichi Ezura | 2011-10-18 |
| 7861313 | Information managing apparatus and method, recording medium, and program | Yoji Kawamoto, Ryuji Ishiguro, Yuichi Ezura | 2010-12-28 |
| 7861308 | Digital rights management using trusted time | Marc E. Strohwig, Yoji Kawamoto, Pierre Chavanne, Norifumi Goto, Oscar H. Steele, III +1 more | 2010-12-28 |
| 7827113 | Method and system for providing a content subscription service | Keiko Saeki, Motomasa Futagami, Yoji Kawamoto | 2010-11-02 |
| 7801819 | Rendering rights delegation system and method | Eric Swenson, Ryuji Ishiguro, Pierre Chavanne | 2010-09-21 |
| 7735084 | Communication processing apparatus, communication processing method, and computer program | — | 2010-06-08 |
| 7512607 | Content sharing system; content processing apparatus; information processing apparatus; program; recording medium; and content sharing method | Munetake Ebihara, Mitsuru Tanabe, Ichiro Sato, Hiroshi Kuno | 2009-03-31 |
| 7503073 | Information managing apparatus and method, recording medium, and program | Yoji Kawamoto, Ryuji Ishiguro, Yuichi Ezura | 2009-03-10 |
| 7487549 | Information processing apparatus, information processing method, recording medium, and program | Yoji Kawamoto, Ryuji Ishiguro, Yuichi Ezura | 2009-02-03 |
| 7349993 | Communication network system, gateway, data communication method and program providing medium | Youji Kawamoto, Motomasa Futagami | 2008-03-25 |
| 7194558 | Communication network system, gateway, data communication method and program providing medium | Youji Kawamoto, Motomasa Futagami | 2007-03-20 |
| 6934777 | Terminal device, apparatus and method for controlling a terminal device, and method of controlling a process in a terminal device | Hirofumi Kawamura, Yoji Kawamoto, Motomasa Futagami | 2005-08-23 |
| 6754665 | Information processing apparatus, information processing method, and storage medium | Motomasa Futagami, Youji Kawamoto, Hirofumi Kawamura | 2004-06-22 |