Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5140110 | Printed circuit board capable of preventing electromagnetic interference | Katsuya Nakagawa, Masakazu Nagano | 1992-08-18 |
| 5043526 | Printed circuit board capable of preventing electromagnetic interference | Katsuya Nakagawa, Masakazu Nagano | 1991-08-27 |