Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702794 | Laminated polyester film for magnetic recording medium | Masahiro Hosoi, Yasuhiko Saito, Yasuhiro Saeki | 1997-12-30 |
| 5665454 | Biaxially oriented polyethylene-2,6-naphthalate film and magnetic tape formed therefrom | Masahiro Hosoi, Hisashi Hamano, Yasuhiro Saeki | 1997-09-09 |
| 5656356 | Biaxially oriented laminated polyester film | Shigeyoshi Masuda, Yoshimichi Hase | 1997-08-12 |
| 5620774 | Biaxially oriented laminated polyester film | Hirofumi Murooka | 1997-04-15 |