No, monopoly is about being the only one doing something, not about "marketing organization".
If you invent the first bicycle and nobody else makes them then you do indeed have a monopoly on the bicycle market. The difference is just that we define "bicycle" as the market, not "5-wheeled bicycle".
If you invent the first bicycle and nobody else makes them then you do indeed have a monopoly on the bicycle market. The difference is just that we define "bicycle" as the market, not "5-wheeled bicycle".