The move could help Sony recoup ground in the fight against Apple Inc and Samsung Electronics, where it has been hampered by its dissimilar offerings of mobile gadgets and online content.
Tablets, games devices and other consumer electronics are offered under the Sony brand, whilst smartphones come under Sony Ericsson.
Sony and Telefon AB LM Ericsson have been talking for weeks concerning the future of the 50:50 joint ventures as the companies must choose this month whether to renovate their 10-year-old pact, sources told Reuters.
Ericsson and Sony refused to comment on the talks. “We have a long-term commitment to our joint ventures,” said an Ericsson spokesman.
“The talks are not something that has been announced by Sony. We are declining to comment,” said Mami Imada, a Sony spokeswoman in Tokyo.