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Patentix develops germanium dioxide semiconductor substrates and power devices.
Patentix researches and develops semiconductor substrates and power devices using germanium dioxide (GeO2). Its work includes semiconductor platforms, power devices, crystal growth systems, and thin-film production using PhantomSVD equipment. Founded in 2022 by Toyosuke Ibi and Prof. Kentaro Kaneko of Ritsumeikan University, the company is based in Shiga, Japan. Qualtec Co., Ltd. exited its stake in Patentix in July 2026; financial terms were not disclosed.
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