Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695694 | Method of producing an acylated cellulose film | Kaoru Iwata, Utami Yonemura, Takeshi Sasaki | 1997-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695694 | Method of producing an acylated cellulose film | Kaoru Iwata, Utami Yonemura, Takeshi Sasaki | 1997-12-09 |