The verb phrase "has devoted to" is correct and usable in written English.
You can use it when you have someone who has given a lot of time to an activity or cause. For example, "Jane has devoted her life to helping people in need around the world."
Yet the rhetorical resources he has devoted to its defense have been meager.
The I.R.S. declined to discuss the new efforts it has devoted to tracking disclosures.
They praise the resources law enforcement has devoted to the crime scene but insist it has come too late.
In a contest increasingly guided by factors beyond the direct control of either candidate, Mr. Obama has gradually increased the attention he has devoted to the race.
Indeed, his mounting economic woes at home may help to explain the attention he has devoted to the nuclear confrontation with the West and threats against Israel.
On March 15, "Astarte" made it onto Time's front, the first and only cover the magazine has devoted to a ballet production.
Throughout the nearly four-month tour, the longest span of time he has devoted to the show, proceeds from CD sales will benefit the theater.
An avid hiker, traveler, and outdoor adventurer, Fiona will remain as active in retirement as she has been during the time she has devoted to the campus.
Little effort has devoted to summarize and comment recent research progress on MC-biodegradation, and discuss the research problems and gaps.
He has suggested that he will compete in new states, despite the scant resources he has devoted to the traditional Republican map so far.
Its titlemeans "sacred" in Hebrew; it is the last in a trilogy of films he has devoted to Israel's three main cities.
