Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D345755 | Electronic musical keyboard | Toshio Igo, Kozo Hisanaga | 1994-04-05 |
| D345575 | Electronic musical keyboard | Kozo Hisanaga | 1994-03-29 |
YI
Yukihiko Ida
Overall (1994): #15,312 of 165,921Top 10%
2
Patents 1994