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One point not yet mentioned: In 1908, a guy named Mr. P.L. Robertson invented a new improved screw head and driver. He wanted to be the only person to manufacture screws and drivers to his design. Decades later, someone else named Mr. Henry F. Phillips came up with an alternative design. Unlike Mr. Robertson, Mr. Phillips was more interested in licensing his design than in producing screws and drivers.

Likewise, in the 1970s, Sony came up with a technology called Betamax; JVC came up with one called VHS. Sony was interested in producing VCRs; JVC was more interested in licensing.

There seems to be a pattern here. (Note: For awhile, Intel did license its 80x86 technology, but it has for decades been focused more on developing technologies for its internal use.)