Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6703549 | Performance data generating apparatus and method and storage medium | Tetsuo Nishimoto, Masahiro Kakishita, Yutaka Tohgi, Toru Kitayama, Toshiyuki Iwamoto +2 more | 2004-03-09 |
| 6211451 | Music lesson system with local training terminal and remote supervisory station | Yutaka Tohgi, Masaki Hara, Tomoyuki Hirose | 2001-04-03 |