Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801489 | Printed circuit board capable of preventing electromagnetic interference | Katsuya Nakagawa, Kazumasa Eguchi, Shinichi Wakita, Hisatoshi Murakami, Tsunehiko Terada | 1989-01-31 |