Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837083 | Magnetic recording medium | Kazuhiro Kuroda, Kazushi Tanaka | 1989-06-06 |
HA
Hitoshi Azegami
Overall (1989): #105,770 of 140,708Top 80%
1
Patents 1989