Several technology companies related to the robotics industry reported raising investment capital in recent weeks.

They included a $164 million Series C round for Mapbox, the Washington, D.C.- and San Francisco-based company that develops online maps. Investors included the SoftBank Vision Fund, the Foundry Group, DFJ Growth, DBL Partners and Thrive Capital, according to an Oct. 10 news release.

The startup plans use the capital to improve its automotive unit that features in-car navigation and autonomous driving.

Mapbox, which was founded in 2010, provides developers and businesses with maps, location search and direction services for mobile, augmented reality, virtual reality and Web applications. It employs about 280 workers.

The company, which claims more than 900,000 registered developers, has raised more than $227 million from investors since launching, according to Crunchbase Inc.

Other companies reporting recent investment capital financings include:

• China-based Horizon Robotics expects to close a $100 million round from investors including Intel Capital, Harvest Investments and Morningside Venture Capital. Horizon, which was founded in 2015, develops the processing chips used in artificial intelligence for self-driving vehicles and smart cameras.
• FogHorn Systems Inc. completed a $30 million Series B round. The Mountain View, Calif.-based company, which develops software designed for the Internet of Things and robotics, raised the capital from investors that included Intel Capital, Saudi Aramco Energy Ventures and Honeywell Ventures. The funding increases to $47.5 million the total FogHorn has raised since launching in 2014.