UCD spinout Oxymem has created technology to reduce the energy consumption of wastewater treatment by 75%.

Semiconductor manufacturer IDT has joined existing backers iNovia and Roadmap to invest $20m in wireless chipset maker Peraso.

Avantium, which launched a joint venture with BASF last month, has added Flanders' investment firm PMV and federal holding company FPIM to its shareholders.

The oil and gas company's corporate venturing unit has supplied $10m in series C funding to nanotechnology-equipped industrial product developer NanoMech.

Rakuten invests in Chiba University spinout Autonomous Control Systems Laboratory, which researches and develops unmanned aerial vehicles.

Robert Bosch's corporate venturing unit now has roughly $480m under management, launching its third fund and disclosing its latest investment, in irrigation technology developer CropX.

Samsung led the OLED display technology developer's series A round through its corporate venturing subsidiary, while LG, Japan Display and JOLED also participated.

Reflective display developer Clearink Displays has now raised $10m since 2012 and hopes to add another $6m in the coming months.