Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7482526 | Technique for supplying unique ID to electronic musical apparatus | Tsutomu Yanase, Satoru Umezawa, Ikuro Oshima | 2009-01-27 |
| 7428534 | Information retrieval system and information retrieval method using network | Shinichi Ito, Taiki Kamiya, Yasuhiko Asahi, Seiichi Yamaguchi, Hisanori Murakami | 2008-09-23 |
| 7346544 | Method for selling items using a network | Seiichi Yamaguchi, Hisanori Murakami | 2008-03-18 |
| 6226697 | Network system with substitute channel assignment instead of allotted default channel for transferring data to automatically prevent conflicting among primary nodes | — | 2001-05-01 |
| 6088364 | Interface apparatus connecting between multimedia network and music network | — | 2000-07-11 |