Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863658 | Aluminum nitride ceramic substrate for copper and method for production thereof | Yasuyuki Sugiura | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863658 | Aluminum nitride ceramic substrate for copper and method for production thereof | Yasuyuki Sugiura | 1989-09-05 |