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Headspring

Data-driven power conversion for next-generation AI data centers

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Osamu Hoshino

Founder & CEO at Headspring

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Employees 21–50
Headquarters Shinagawa, Tokyo, Japan
Headspring is a Japan-based power electronics company developing next-generation power converters for AI data centers. Its distinctive approach combines semiconductor characterization and real-world device performance data with advanced converter design, enabling optimized efficiency, power density, reliability, and thermal performance. Building on more than a decade of power electronics expertise across 400 development projects, Headspring aims to create highly efficient power architectures for the AI era, including high-voltage DC distribution.

Notable Achievements

  • 400+ SiC/GaN development projects for Tier-1 automotive and industrial customers
  • Ultra-fast digital power control developed under a Japanese government-funded national R&D program
  • Won the Japan Resilience Award 2023 for a distributed smart building power-sharing system

Currently Operating in Six Regions

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