Tokmas Semiconductor was founded in 1995. The founder was a Chinese-American professor of advanced research physics at Arkansas Tech University and established a joint laboratory at Arkansas Tech University. Tokmas specializes in the production of industrial-grade and automotive-grade power semiconductor chips and packaging. Products include IGBTs, field effect transistors, COOLMOS, fast recovery diodes, silicon carbide MOSF, silicon carbide Schottky diodes, gallium nitride (GaN) FETs, SCRs, etc. Products are mainly used in new energy vehicle power supplies, photovoltaic grid-connected inverters, power UPS power supplies, DC charging piles, high-frequency switching power supplies, AC and DC screens, plasma cutting and welding machines, etc.