Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11661546 | Electrochromic element, optical filter, lens unit, image pickup apparatus, and window member | Kenji Yamada, Satoshi Igawa, Yuto Ito, Isao Kawata | 2023-05-30 |
| 11630364 | Electrochromic element, optical apparatus, light control window, and image pickup apparatus | — | 2023-04-18 |
| 11573473 | Electrochromic device | — | 2023-02-07 |