Each Friday the Global Corporate Venturing Deal Net rounds up the week’s smaller deals and tracks the emerging companies accessing corporate funds.

Tsinghua University has led a round for Trifo, with the funding to support the launch of the startup's smart home robot.

Grab has added $50m from Kasikornbank to a round sized at $2.7bn, following a $250m investment by Hyundai and Kia earlier this week.

In-game services marketplace Overwolf has raised $16m in a round led by Intel, the company with which it formed a $7m fund earlier this year.

The university venture fund, once established, will be the first of its kind for Waseda University and will be raised in partnership with Well Investments and Beyond Next Ventures.

Fujifilm, Olympus and TechMatrix were among the participants in a round that boosted medical imaging technology spinout LPixel's funding to $35m altogether.

Itochu, SBI Investment, Nippon Gas, UFI Futech and SMBC Venture Capital all invested as mobile payment technology developer Pring raised $11.4m.

Peer-to-peer lending platform PPDai was among the investors in a $14.4m round for the online insurance portal, whose earlier investors include Fosun Kinzon Capital.

Bicycle sharing platform Hellobike has entered discussions with SoftBank for an investment as part of a $400m round that would value it at $2bn.

Nutrien, Sumitomo Corporation Europe and Wilbur-Ellis unit Cavallo Ventures all came in as new investors for the agricultural monitoring platform's series B round.