Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670236 | Biaxially oriented polyester film for magnetic recording medium | Tomoyuki Kotani, Seiji Sakamoto, Takashi Harada, Narihiro Masuda, Masashi Inagaki +1 more | 1997-09-23 |