News provider Sina Tech said Baidu had a controlling stake in Tapas, a mobile phone operating system, and in Dianxin, according to data provider Zero2IPO.

The other investors in the B round included Japan state and corporate-backed Innovation Network, Japan-based industrial group Hosiden and venture capital firm Clean Pacific Ventures.

CSDN, a China-based developer community, has raised more than $10m from three investors, including private equity firm CBC Capital and an undisclosed internet corporation, according to news provider Tencent Technology.

Venture capital firm Jungle Ventures, which is backed with Singapore government money, invested alongside Innov8.

In January, Geniee said it would partner with Yahoo Asia Pacific allow advertisers in south-east Asia to place ads in Japan.

Venture capital firm East Ventures was the other investor in Le-Le-Le besides Dena's Incubate Fund, according to news provider Cnet Japan.

Alongside Ryan Holmes, CEO of Hootsuite, were venture capital firms Futura Corporation, 500 Startups, LX Ventures, 8capita Partners, and angel investors.

Just three months after raising $400m, China-based, DST Global-backed website 360Buy has raised $700m.