Patentix Inc.
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Patentix Inc. - overview
Established
2022
Location
Kusatsu, Shiga, Japan
Primary Industry
Semiconductors
About
Based in Shiga, Japan and founded in 2022 by by Toyosuke Ibi, who serves as President & CEO, together with Prof. Kentaro Kaneko of Ritsumeikan University, Patentix Inc. , d. b.
a Patentix, engages in the research and development of semiconductor substrates and power devices using ultra-wide bandgap semiconductor (UWBG) material called germanium dioxide (GeO2). In April 2026, Patentix raised approximately JPY 150 million in series A funding led by new investor Mitsubishi UFJ Capital with participation from new investor TMH Family Office. The round was part of larger JPY 869 million series A funding. Patentix Inc.
specializes in developing next-generation power semiconductor materials, specifically germanium dioxide (GeO₂). GeO₂'s band gap and high voltage resistance make it suitable for use in advanced MOSFETs and HEMT elements in complex communication systems. The company develops GeO₂ semiconductor goods, including platforms and power devices. The firm also provide services including crystal growth systems and thin film production with trademarked PhantomSVD equipment.
The company plans to use the April 2026 funding to accelerate R&D and the transition from basic research to practical development of GeO2 semiconductor materials for commercialization.
Current Investors
Plus Social Investment, Qualtec Co., Ltd., NICHIDEN SEIMITSU KOGYO CO.,LTD.
Primary Industry
Semiconductors
Sub Industries
Semiconductor Equipment & Testing, Molecular Chemicals, Advanced Materials, Nanomaterials
Website
www.patentix.co.jp
Verticals
Manufacturing
Company Stage
Series A
Total Amount Raised
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