Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759873 | Method of manufacturing chip-size package-type semiconductor device | Keiichiro Kata, Shuichi Matsuda | 1998-06-02 |
| 4934686 | Sheet feeding apparatus with a constant friction torque generating mechanism | Yoshito Urata | 1990-06-19 |