The deal is expected to raise about $6 billion.
Canon now gains exclusive negotiating rights for Toshiba Medical Systems Corporation after winning a hotly contested auction.
Fujifilm and Konica Minolta teamed up with private equity firm Permira to make an unsuccessful bid.
Toshiba Medical is the world No.2. manufacturer of CT scanners and also makes X-ray and MRI machines. It had revenue of $3.6 billion in its last financial year.
Canon has been trying to diversify out of cameras and office equipment into medical systems. For example, back in January Canon and Kyoto University announced the development of technology that will reduce the price of an MRI scanner machine to a tenth of their current cost.
MRI machines currently cost between $4 million and $8 million and Canon’s technology could reduce that to $400,000 to $800,000, reports the Nikkei.
See also: Kyoto University and Canon reduce cost of MRI scanner to one tenth
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See also: Toshiba turns to government-run INCJ for help