Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8761165 | Network system | Kei Nakayama | 2014-06-24 |
| 8621053 | Firmware update apparatus and program | — | 2013-12-31 |
| 8424083 | Controlling activation of an application program in an audio signal processing system | Kei Nakayama | 2013-04-16 |
| 6414231 | Music score display apparatus with controlled exhibit of connective sign | Hiromu Miyamoto | 2002-07-02 |
| 6323411 | Apparatus and method for practicing a musical instrument using categorized practice pieces of music | — | 2001-11-27 |
| 6188008 | Chord indication apparatus and method, and storage medium | — | 2001-02-13 |