Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10150871 | Azo compound, dye-based polarizing film containing same, and polarizing plate | Takahiro Higeta, Mitsunori Nakamura | 2018-12-11 |
| 9354371 | Azo compounds, and dye-based polarizing films and polarizing plates comprising the same | Hiroaki Ohno, Takahiro Higeta, Yuichi Sadamitsu | 2016-05-31 |
| 9341746 | Azo compound, dye-based polarizing film and polarizing plate | Takahiro Higeta | 2016-05-17 |
| 9341747 | Azo compound and salt thereof, and dye-based polarizing film and polarizing plate containing the same | Takahiro Higeta | 2016-05-17 |
| 9244198 | Azo compound, dye-based polarizing film and polarizing plate | Takahiro Higeta | 2016-01-26 |
| 9244194 | Azo compound and salt thereof, and dye-based polarizing film and polarizing plate containing the same | Takahiro Higeta | 2016-01-26 |
| 9213130 | Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or salt | Yuichi Sadamitsu, Hiroaki Ohno | 2015-12-15 |
| 8771378 | Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or salt | Yuichi Sadamitsu, Hiroaki Ohno | 2014-07-08 |
| 8643809 | Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or salt | Yuichi Sadamitsu, Hiroaki Ohno | 2014-02-04 |
| 8477268 | Azo compound and salts thereof, as well as dye-based polarization films and polarizing plates comprising the same | Hiroaki Ohno, Takahiro Higeta, Yuichi Sadamitsu | 2013-07-02 |
| 7931702 | Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or salt | Yuichi Sadamitsu, Hiroaki Ohno | 2011-04-26 |