According to research led by analysis firm Yole Développement, as of 2022, Sony dominates the CIS (CMOS Image Sensors) market by far. The main usage of these sensors is mobile devices. Canon has a portion of the market of only 1%, compared to Sony which has 42%. Should Canon be worried?
Source: Sony Dominates the CMOS Image Sensor World, by Far – YMCinema – The Technology Behind Filmmaking