Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833520 | Semiconductor integrated circuit having wirings for power supply suited for computer-aided-design | Yoshihiro Mabuchi | 1989-05-23 |
| 4806048 | Apparatus for producing artificial wave | — | 1989-02-21 |