Sumitomo's Presidio Ventures unit has contributed to the $56.2m in debt and equity financing so far raised by the robot arm developer.

US-based warehouse robotics technology developer Dexterity emerged from stealth on Tuesday with $56.2m in equity and debt financing from investors including Presidio Ventures, a corporate venturing subsidiary of diversified conglomerate Sumitomo.

Financial services firm Pacific West Bank, Liquid 2 Ventures, Kleiner Perkins, B37 Ventures, Lightspeed Venture Partners, Obvious Ventures, Stanford-StartX Fund and Blackhorn Ventures are also among the investors.

The company did not reveal the ratio of equity and debt but said the total included a recently completed series A…