With SpaceX shares soaring on their first day of trading, the world’s richest person crossed another milestone — one with 13 digits.

Antonio Gracias, an investor who has built a $65 billion stake in the company, exemplifies the economic upside of being Mr. Musk’s ally.

The megabillionaire was tied to about 90 companies in the state, which he uses for everything from paying nannies to buying land to supporting Donald Trump’s re-election, according to a Times examination.

A set of shielded coils for wireless power transmission into a medical implant is described in which the external, power transmission coil is blocked at least on one side by a shield with a broken ring and radial fingers while the power receiver coil inside the medical implant is surrounded by a…