Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9721465 | Information-providing system, portable terminal device, server, and program | Hiroyuki Iwase, Shinya Sakurada, Mitsuru Fukui | 2017-08-01 |
| 9398623 | Communication terminal, wireless device, provider server, and wireless communication system | — | 2016-07-19 |
| 7574364 | Contents rating method | Yutaka Hasegawa, Nobuo Tsunashima, Masaya Okura | 2009-08-11 |
| 7567910 | Method of validating entrance to event site | Yutaka Hasegawa, Nobuo Tsunashima, Masaya Okura | 2009-07-28 |
| 7087829 | Method, system and recording medium for viewing/listening evaluation of musical performance | Yutaka Hasegawa, Nobuo Tsunashima, Masaya Okura | 2006-08-08 |
| 6801898 | Time-scale modification method and apparatus for digital signals | — | 2004-10-05 |
| 6583348 | Server for use in rating of music contents | Yutaka Hasegawa, Nobuo Tsunashima, Masaya Okura | 2003-06-24 |
| 6487536 | Time-axis compression/expansion method and apparatus for multichannel signals | Kazunobu Kondo | 2002-11-26 |
| 6441291 | Apparatus and method for creating content comprising a combination of text data and music data | Yutaka Hasegawa, Kosei Terada | 2002-08-27 |
| 5974387 | Audio recompression from higher rates for karaoke, video games, and other applications | Yasuo Kageyama, Youji Semba | 1999-10-26 |