Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10148158 | Varnish impregnation apparatus and varnish impregnation method | Tsuyoshi Niwa, Takamitsu Sugimoto, Susumu Kato, Shigeru Maeda, Takeshi Yokoyama | 2018-12-04 |
| 9977264 | Polarizing lens for sunglasses | Terutaka Tokumaru, Masayuki Akaki, Kyousuke Nakamura | 2018-05-22 |
| 9897823 | Colored polarizing films, colored polarizing sheets, and colored polarizing lenses, and methods thereof | Masayuki Akaki, Taisuke Sasagawa, Toshihiko Takano, Terutaka Tokumaru | 2018-02-20 |