Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374775 | Keyboard instrument for selectively producing mechanical sounds and synthetic sounds without any mechanical vibrations on music wires | Shinya Koseki, Nobuo Sugiyama, Masahiro Wada | 1994-12-20 |
| 5359097 | Process for preparation of glycidyl ether | Tomio Ota | 1994-10-25 |
| 5300602 | Process for producing water-soluble polymer and water-soluble polymer | Yoshihiro Arita, Kenta Kanaida | 1994-04-05 |