Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665444 | Tube-shaped film having its inner peripheral surface treated, method for treating inner peripheral surface of tube-shaped film and apparatus therefor | Atsuki Wada, Tomohiro Nagase, Yoshiro Hirajima | 1997-09-09 |