Printing & Publishing
| Thu 21 May 2026
Alexandria, May 22 -- United States Patent for Electrochromic Element has been issued to Canon. This invention was developed by Kubo Wataru.
The patent application number is US202217845001 20220621. The patent publication number is US12631929 (B2). International Patent Classification codes are E06B9/24, F21V14/00, G02B26/00, ..