San Francisco - WideOrbit, a developer of software designed to help media companies simplify and automate the process of selling and billing advertising, said on Thursday that it has raised an undisclosed amount in a new round of funding from Khosla Ventures, Greycroft Partners and Hearst Ventures.

Seattle - AdReady, the provider of an online, self-service display advertising system, announced on Monday that it has raised $10 million in a new round of financing, led by Bain Capital Ventures.

Redwood City, Calif. - YuMe, a provider of online video advertising services, announced on Tuesday that it has raised $9 million in its second round of venture capital financing.

Irvine, Calif. - Online game publisher K2 Network announced on Monday that it has closed a $16 million second round of venture capital, led by Intel Capital.

Santa Clara, Calif. - Artimi, a developer of wireless semiconductors for portable consumer electronics, said on Wednesday that it has added $5 million more in funding to close its second round at $31.5 million.

Redwood City, Calif. - YuMe Networks, an online advertising network optimized for broadband video, has announced its official launch, with backing of over $7 million in venture capital from investors including Khosla Ventures, Accel Partners and BV Capital.