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Group 1 - Power Diamond Systems (PDS) showcased diamond MOSFETs and evaluation modules at the 2025 International Semiconductor Exhibition in Japan, emphasizing their ability to handle hundreds of volts and ampere-level currents, with plans for commercialization in the 2030s [1] - GaN power devices are increasingly used in high-frequency components for wireless communication systems, with diamond's thermal conductivity being 16 times that of GaN, making it suitable for high-frequency applications [1] - Japanese research teams, including Saga University and Orbray, are making significant advancements in diamond semiconductor technology, with the first diamond power device developed in 2023 and plans for larger diameter substrates [3][4] Group 2 - Ookuma Diamond Device, a startup founded by Hokkaido University and AIST, is constructing a large-scale production facility in Fukushima, expected to operate in the 2026 fiscal year, aimed at handling high-radiation waste from the Fukushima nuclear accident [4] - The commercialization potential of diamond semiconductors is attracting attention from various companies, including JTEC, which develops precision equipment for research institutions [4] - The quality and stable supply of synthetic diamonds are becoming increasingly important, with advancements in production techniques being developed in South Korea to shorten the time required to manufacture synthetic diamonds [5]