A helpful identification chart :

----> https://how-to.fandom.com/wiki/How_...rcuit_(chip)_manufacturers_by_their_logos/A-E

 

Hello,

Here are a couple more:
http://dialelec.com/semiconductorlogos.html
http://www.plasma-online.de/index.h...nglish/identify/picture/index_logochip_a.html

Bertus