Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840640 | Polarizing film: polymer film base containing substituted anthraquinone dichroic dye | Konoe Miura, Tetsuo Ozawa, Seigo Okumura | 1989-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840640 | Polarizing film: polymer film base containing substituted anthraquinone dichroic dye | Konoe Miura, Tetsuo Ozawa, Seigo Okumura | 1989-06-20 |