Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10551540 | Separator-attached adhesive layer structure and production method therefor, separator-attached adhesive layer and polarizing film combination structure and production method therefor, and image display device | Takeharu Kitagawa, Shinsuke Akizuki, Atsushi Yasui, Yusuke Toyama, Takaaki Ishii | 2020-02-04 |
| 10274659 | Polarizing plate comprising an optical functional film and a protective film having a specified moisture permeability | Akinori Izaki, Ryohei SAWAZAKI, Atsushi Yasui, Takeharu Kitagawa, Takuya Mori | 2019-04-30 |
| 9921342 | Polarizing plate and optical laminate | Takeharu Kitagawa | 2018-03-20 |