What font does LG use? The closest font you can get for the LG logo is Helvetica Black…
What font does Panasonic use? The closest font you can get for the Panasonic logo is Helvetica Black font.
Designers: Edouard Hoffmann, Max Miedinger, Matthew Carter
Free alternative fonts for Panasonic logo:
The closest free font you can get is Roboto Black Font.
About free fonts:
Fonts by developer.android.com