Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149904 | Pitch data output apparatus for electronic musical instrument having movable members for varying instrument pitch | Yukio Kamiya, Ryutaroh Hayashi | 1992-09-22 |
| 4846942 | Process for producing a film of Sm-Co alloy | Nobuji Kato | 1989-07-11 |