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pHydrogen develops green hydrogen electrolyzers that use inexpensive metals and seawater.
Founded in 2025 and based in Tokyo, Japan, pHydrogen develops green hydrogen production technology using inexpensive metals and seawater. Its electrolyzer uses a neutral electrolyte solution and is aimed at energy producers, industrial manufacturers, and governments. In June 2025, it raised JPY 300 million in Seed funding from Incubate Fund to recruit staff and advance its plans.
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