Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837922 | Process for manufacturing a composite magnetic head structure | Jirou Toriu, Katsuhiro Ohno | 1989-06-13 |
JM
Jun Miyajima
Overall (1989): #91,586 of 140,708Top 70%
1
Patents 1989