Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837083 | Magnetic recording medium | Kazushi Tanaka, Hitoshi Azegami | 1989-06-06 |
KK
Kazuhiro Kuroda
Overall (1989): #90,430 of 140,708Top 65%
1
Patents 1989