Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11022732 | Optical film for eyewear, and functional film for eyewear, optical laminate for eyewear, and eyewear which have same | Yoshiyuki Yahagi, Kouichi Tanaka | 2021-06-01 |
| 10942374 | Optical film for eyewear, and optical laminate and eyewear using the optical film | Yoshiyuki Yahagi, Kouichi Tanaka, Yuki Aikawa | 2021-03-09 |