Micron broke ground on a new cleanroom building at its Hiroshima fab (Higashihiroshima) to scale production of advanced memory for AI, committing about ¥1.5 trillion in total across the phased build-out. Phase I covers roughly 28,000 sqm; Fujita Corporation is the general construction partner, with production equipment move-in slated for late 2028. The fab - Japan's only DRAM manufacturing site, rooted in the former Elpida operation - will produce next-generation memory including EUV-based 1-gamma DRAM. The project is backed by up to ¥536bn of METI support announced in September 2025.
Tamagawa Electronics, a subsidiary of Tamagawa Holdings, plans to build a second factory near its headquarters in Ayase, Kanagawa, to expand production capacity for telecommunications and electronic equipment serving social infrastructure demand. JFE Conform has been selected as the planned construction contractor, with handover scheduled for December 2027.
Kioxia Corporation plans to construct K3, a new manufacturing building at its Kitakami Plant in Iwate, Japan. The project expands the company's domestic 3D flash-memory manufacturing capacity; the disclosure does not state an investment amount, capacity, contractor, or schedule.
HOYA Electronics Singapore plans to rationalize and expand its electronics product manufacturing equipment at its Tampines Industrial Crescent facility in Singapore. The project has a total planned investment of JPY 10.89 billion, funded internally; no construction schedule or added capacity was disclosed.
HOYA Glass Disk Vietnam II plans to rationalize and expand its electronics product manufacturing equipment at its facility in Hung Yen, Vietnam. The project has a total planned investment of ¥7.631 billion, funded internally; no construction schedule or added capacity is disclosed.
HOYA plans a ¥5.695 billion investment to rationalize and expand electronics-related product manufacturing equipment at its Nagasaka, Hachioji, and Akishima factories. The projects are located in Hokuto, Yamanashi, and Hachioji and Akishima, Tokyo; no construction schedule or post-investment capacity is disclosed.