Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368932 | Biaxially oriented polyester film for magnetic recording media containing theta or mixed alpha plus gamma aluminum oxide and inert organic particles | Hirofumi Murooka, Masami Etchu | 1994-11-29 |