Following the lead of China, the European Union (EU), and South Korea, Japan has unveiled plans to build its own long-distance quantum communication network. The first phase will link the country’s three major cities—Tokyo, Nagoya, and Osaka—covering a distance of 600 kilometers. Construction is expected to be completed by early 2027, with field testing planned later that year. The initial rollout will focus on sectors where confidentiality is critical, such as healthcare and finance, to establish a Japan-specific quantum communication standard by 2030.

Daikin Industries said at a 27 November briefing in Osaka that soaring server-cooling demand from the rapid uptake of generative AI has led the company to target over JPY300 billion (approx. US$2 billion) in North American data-center cooling revenue in fiscal 2030, nearly triple its JPY100 billion tally in fiscal 2025.

At its investor conference on November 27, 2025, Gigastorage Corporation shared details regarding its strategic shift from its early photovoltaic (PV) business toward AI computing, cooling, and personal health micro-sensing. In the HPC and AI fields, Gigastorage has invested in direct forming technology (DFT). This technique leverages the high hardness of diamond abrasives to directly machine deep, tall two-dimensional fin structures onto heat-dissipating materials, improving thermal resistance performance by approximately 20%. It overcomes the technical bottlenecks of traditional cooling solutions, allowing fins to be directly integrated into GPU modules while precisely controlling the base thickness below 0.2mm, targeting top-tier applications such as HPC and vertical AI cooling.