Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318856 | Water-soluble azo dyes and polarizing films using the dyes | Tsutami Misawa, Rihoko Imai, Hisato Itoh | 1994-06-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318856 | Water-soluble azo dyes and polarizing films using the dyes | Tsutami Misawa, Rihoko Imai, Hisato Itoh | 1994-06-07 |