Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D350130 | Automatic telephone message recorder | Isamu Yoshitake | 1994-08-30 |
| D348686 | Electronic keyboard musical instrument | Yukihiro Ida | 1994-07-12 |
| D345755 | Electronic musical keyboard | Yukihiko Ida, Kozo Hisanaga | 1994-04-05 |