The phrase "ingenious concept" is correct and usable in written English.
You can use it when describing a new or innovative idea or solution. For example: "The CEO's ingenious concept enabled the company to increase profits by 25%."
Over several years, the simple but ingenious concept of the albergo diffuso was born.
It's an ingenious concept, executed with that wonderful Gaimanesque blend of humour and darkness.
It is one thing to have an ingenious concept, another to carry it out.
Merrifield's ingenious concept led directly to the development of efficient methods for preparing synthetic nucleic acids — essential for modern molecular biology and biotechnology.
This is an ingenious concept, one that would be almost impossible to pull off without some sagging, and momentum suffers while observation reigns.
The idea behind this ingenious concept is to prevent blockage of air-filled pores in the upper areas of the jagged segments.
Since then, we have run into an even more ingenious legal concept about a confidence man in Havana, for trickery.
Clearly it needed something more to surprise and delight customers, but I still loved its ingenious new concept.
In fact, nonna's house, in Cabras, Sardinia, is part of an ingenious hotel concept that's taking hold across Italy.
Room 101 Some hotels have refused to call a guest bedroom number 101 - rather like those tower blocks that don't have a 13th floor - thanks to the ingenious Orwellian concept of a room that contains whatever its occupant finds most impossible to endure.
NPR has an interview up today about Brooklyn band Bear In Heaven's gimmicky but ingenious promotional concept for their April album I Love You, It's Cool.
