Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823235 | Earth connection device in metal core printed circuit board | Mitsuaki Suzuki, Katsuyuki Arai, Yasushi Kojima, Mitsusada Toyama, Hisao Hayashi +1 more | 1989-04-18 |
JS
Jun Sakiura
Overall (1989): #91,453 of 140,708Top 65%
1
Patents 1989