Fujifilm Holdings Corp. is entering the race for Curium Pharma, challenging buyout firms bidding for the French maker of medical imaging supplies in a deal that could fetch at least $3 billion (¥329.8 billion), people familiar with the matter said.

An arm of the Japanese imaging company is among the parties pursuing a deal for Curium, according to the people, who asked not to be identified because the information is private. Fujifilm is working with an adviser as it weighs a potential acquisition of the business, which is owned by CapVest Ltd., the people said.

CVC Capital Partners and Bain Capital are among private equity firms that made initial offers for Curium, people with knowledge of the matter said earlier this month. Clayton Dubilier & Rice, Nordic Capital and PAI Partners also submitted first-round bids, according to the people.