Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7632430 | Process for producing polarizing film | Takanori Isozaki, Hajime Nishiuma | 2009-12-15 |
| 7183344 | Polyvinyl alcohol film and polarizing film | Takanori Isozaki, Naoki Fujiwara | 2007-02-27 |
| 7015266 | Polyvinyl alcohol film | Takanori Isozaki, Toshio Nakai, Naoki Fujiwara | 2006-03-21 |
| 6982297 | Polyvinyl alcohol film and polarizing film | Takanori Isozaki, Naoki Fujiwara | 2006-01-03 |