Story perspectives

Japan Launches Pilot for Ultra-Efficient AI Accelerator

9/11/2025

Summary

Story summary

In July 2025, Preferred Networks, Inc., Internet Initiative Japan Inc., and Japan Advanced Institute of Science and Technology began pilot testing an ultra-high-efficiency AI accelerator in Japan, funded by NEDO.
The project aims to enhance post-5G communication systems.
PFN is testing high-density servers with a direct liquid cooling system for AI processors.
IIJ introduced Air-Assisted Liquid Cooling technology for a hybrid cooling environment.
Infineon Technologies launched a 12 kW power supply design for efficient AI data centers.

History

Historical Context

The 2011 earthquake and tsunami in Japan prompted significant advancements in technology and infrastructure, leading to over $1 billion in funding from the New Energy and Industrial Technology Development Organization (NEDO) for energy and communication innovations. Today, initiatives like the ultra-high-efficiency AI accelerator pilot by Preferred Networks, Inc. highlight Japan's ongoing commitment to technological leadership and its impact on global AI data center efficiency.

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Story summary

In July 2025, Preferred Networks, Inc., Internet Initiative Japan Inc., and Japan Advanced Institute of Science and Technology began pilot testing an ultra-high-efficiency AI accelerator in Japan, funded by NEDO.
The project aims to enhance post-5G communication systems.
PFN is testing high-density servers with a direct liquid cooling system for AI processors.
IIJ introduced Air-Assisted Liquid Cooling technology for a hybrid cooling environment.
Infineon Technologies launched a 12 kW power supply design for efficient AI data centers.

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