Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5510192 | Polyethylene naphthalate multilayered film for high density magnetic recording medium | Shigeo Utsumi, Masashi Inagaki | 1996-04-23 |
| 5366783 | Laminated polyester film for magnetic tape having specific surface properties | Shigeo Utsumi, Masashi Inagaki | 1994-11-22 |
| 5318823 | Polyester multilayered film for high-density magnetic disc | Shigeo Utsumi, Masashi Inagaki | 1994-06-07 |