Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4218874 | Electronic metronome | Shuichi Ishida, Haruzo Yoshikawa | 1980-08-26 |
| 4204400 | Electronic metronome | Yoshio Hasegawa | 1980-05-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4218874 | Electronic metronome | Shuichi Ishida, Haruzo Yoshikawa | 1980-08-26 |
| 4204400 | Electronic metronome | Yoshio Hasegawa | 1980-05-27 |