Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809105 | Flexible recording medium tensioning magnetic recording head | Kiyokazu Imanishi, Wataru Watanabe | 1989-02-28 |
KK
Kiyoshi Kobata
Overall (1989): #87,169 of 140,708Top 65%
1
Patents 1989