Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10838238 | Aromatic polycarbonate polarising lens | Terutaka Tokumaru, Hideaki Kimura, Masayuki Akaki | 2020-11-17 |
| 10816699 | Functional sheet including polyester resin, and lens using functional sheet | Takuya Gotou, Hirotaka Tsuruya, Kazuhisa Mitsuhata | 2020-10-27 |
| 10737471 | Synthetic resin laminate having photochromic properties and lens using same | Katsuyuki Murai, Hideaki Kimura | 2020-08-11 |