I think Nissan.com is more illustrative -- it was a guy named Nissan[1] who had an actual computer business in his name and got to keep it away from Nissan Motors, but now his site has a lot more to do bragging about his fight with the motor company than actual computer stuff.
[1] Hebrew/Israeli name usually transliterated as "Nisan"
[1] Hebrew/Israeli name usually transliterated as "Nisan"