KDDI has joined investors including Intel and Recruit, as Ossia increased the size of its series A round to $10m.

Ossia, a US-based developer of remote, wireless charging technology, has raised $10m in series A funding after attracting mobile network operator KDDI to its list of backers.

KDDI, which invested through its KDDI Open Innovation Fund, joined Intel Capital, the corporate venturing unit of chip maker Intel, and human resources provider Recruit Holdings in the round.

The company previously raised $6m from angel investors, families and friends, Ossia founder and chief executive Hatem Zeine told FierceWireless.

Ossia’s technology revolves around…