https://stuffyoushouldknow.com/episodes/ has an episode "Wireless Electricity" (February 29, 2024) discussing the history and current progress. Could be a billion dollar company but you'd need customers who pay magnitudes as much for electricity.

Induction charging is highly inefficient and the wasted energy has to be expended somehow. If traditional Qi chargers are 50-60% efficient under ideal conditions, imagine how much heat would radiate from a system with 10-5% efficiency. You'd practically be building a human-scale microwave oven past a certain point.