A unit of German chip maker Infineon Technolgies AG sued a Chinese rival alleging the corporate infringed a patent for gallium nitride semiconductor know-how.

Infineon Technologies Austria AG’s accused 30 separate Innoscience Technology Co. Ltd. gallium nitride units of infringing US Patent No. 9,899,481 in a grievance filed Wednesday within the US District Court for the Northern District of California. The ‘481 patent covers “a lateral transistor device and package with source-sensing functionality,” in response to the submitting.

The go well with comes roughly a yr after the Applied Power Electronics Conference in Orlando, Fla., the place the grievance contends “Innoscience highlighted the similarities …