Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11194215 | Electrochromic device, optical filter using same, lens unit, image taking device, window member, and driving method for electrochromic element | Kazuya Miyazaki, Jun Yamamoto | 2021-12-07 |
| 11180950 | Electrochromic device, optical filter, lens unit, imaging apparatus, window member, and driving method | Kenji Yamada, Satoshi Igawa | 2021-11-23 |