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So lots of hand waving comments here which are only mostly right. The key thing they are missing is that there are multiple wireless power technologies for different power levels, some of which are already commercial and available to buy!
Powercast (www.powercastco.com) has multiple techs now that they either developed or licensed and they have integrated that into multiple FCC approved products. The Samsung TV remote uses both a small solar cell and their wireless energy harvester to make a remote that you never have to replace the batteries. Powercast also sells a joycon controller grip that has a battery with wireless trickle charging (done with playing for the day, leave the grip within 1-2 feet of the base station and it charges overnight). They also have a lot of other currently used applications that are not public (I've seen functions with low power charging over 1 meter distance), but if you ever go to CES you can check out their booth.
Another option is Ossia (www.ossia.com) which uses a tech to monitor for obstructions (people, pets, tables, etc) and then steers the power beam around to be able to provide the most power and the least power loss. As another user posted this requires a lot of trust because the power levels they use could cause injury, but they apparently did pass FCC testing. They also are commercial.
Airbrite (https://www.airbritelighting.com/) is a product commercialized from Etherdyne tech (https://www.etherdyne.net/) that is your standard inductive coil with some improvements. This is shorter range power than the other two but can provide much higher power with zero risk to biological parties. The video on Etherdyne's website shows one mat powering a monitor, charging a phone, a lamp, and possibly charging a laptop at the same time. That being said, the products need to be within a coil's field and almost completely in plane to get full power transfer.