The venture arm of Verizon Communications, Verizon Ventures, makes an undisclosed investment into US-based search technology company Q-Sensei Corp.

US-based phone operator Verizon Communications’ corporate venturing unit, Verizon Ventures, has invested in Q-Sensei Corp, a developer of search technology. There was also involvement from previous backers, the private equity and venture capital arm of Germany’s Thüringer Aufbaubank, b-mt and certain private angel investors.

Q-Sensei has also appointed Dr. Richard Nottenburg, former chief executive of Sonus Networks and chief strategy officer of Motorola Solutions, to its board.

Ute Rother, chief executive at Q-Sensei, said: “We are setting forth on a…