Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7405373 | Switch structure and electronic device | Hiroyuki Konishi, Hisashi Fujieda, Fumiyoshi Nagakura, Akiko Asahata, Shigeki Yagi | 2008-07-29 |
| 6965067 | Guitar tuner | — | 2005-11-15 |
| 6603068 | Tuning device | — | 2003-08-05 |