US healthcare company Medtronic has joined the syndicate backing Spinal Modulation in its latest $30m funding round.

Quantum Strategic Partners, an investment fund managed by Soros Fund Management, joined the D round of Transphorm as a new investor alongside Google and venture capital firms Kleiner Perkins Caufield & Byers, Foundation Capital and Lux Capital.

Ping Identity nearly doubles funding with $21m series D round from a consortium including SAP Ventures.

ClariPhy Communications, a US-based chip maker, has raised $14m in its fourth round of funding from a consortium led by phone infrastructure supplier Nokia Siemens Networks (NSN).

Although the lead investors were undisclosed energy and clean tech investors, iControl said the others in the $50m round included computer equipment maker Cisco, cable company Comcast, chip maker Intel, phone operator Rogers Communications and Tyco International, the parent company of ADT Security Services.

The pair's investment has helped fuel cell maker Acal roughly double the money it has raised in its history.

The latest $17m round takes the amount raised by US technology company Cotendo to at least $36m.

The corporate venturing arm of GlaxoSmithKline has joined peer Merck in backing a genetic diagnostics company. One of Glaxo's executives has joined HTG's board.

Schlumberger linked with venture capital firm VantagePoint Capital Partners, in which it has a strategic partnership, for Liquid Robotics' $22m D round.