Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865877 | Method for roughening ceramic substrate surface and method for manufacturing printed circuit board using surface-roughened ceramic substrate | Noboru Yamaguchi, Satoru Ogawa, Susumu Kajita, Izuru Yoshizawa, Masayuki Ishihara | 1989-09-12 |