the sorcery of copper
Whenever I see a logo from a semicondutor vendor I don't know in the top markings of an integrated circuit, I will try to find the closest matching image of this logo, and make a corresponding vector graphic.
A page with all the logos is available here. The source files are availabe in this git. In episode #001 I've talked about top markings.
Other collection of logs are available, buts there are low resolution raster graphics: