Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4230654 | Method of concurrently-biaxially drawing polyvinyl alcohol film | Mutsuo Kuga, Kiyoshi Kitagawa, Motoo Kawasaki | 1980-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4230654 | Method of concurrently-biaxially drawing polyvinyl alcohol film | Mutsuo Kuga, Kiyoshi Kitagawa, Motoo Kawasaki | 1980-10-28 |