Apple
This is correct. The first capacitive touchscreen phone was the LG Prada.
https://en.wikipedia.org/wiki/LG_Prada
Interestingly, it came out just before the iPhone, and LG even alleged that Apple had stolen the idea from them. Considering how Jobs stole a bunch of ideas from PARC, and Apple really doesn't have a history of inventing anything, but rather taking other peoples' ideas and commercializing them better, it seems very plausible.
Conway’s law may result in products’ appeal, thus what people are willing to pay for.