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Key Facts

Key PlayersSoftBank, NEC, Fujitsu, Preferred Networks

Top InstitutionsRIKEN, University of Tokyo, AIST

AI Policy StanceInnovation-first, no penalties

Notable LegislationAI Promotion Act (Sep 2025)

Top News

Rapidus unveils glass interposer tech to challenge TSMC's dominance in AI chips production

Japan's state-backed chipmaker Rapidus has developed a prototype glass interposer that could cut AI chip production costs significantly. The company plans mass production by 2028, using 600mm glass substrates that yield 10 times more interposers than traditional silicon wafers. This breakthrough positions Rapidus to compete directly with TSMC as Japan invests heavily to rebuild its semiconductor industry.

Technology3 sources

Rapidus unveils glass interposer tech to challenge TSMC's dominance in AI chips production

Technology3 sources

AI robots and humanoid robots take center stage at Tokyo's International Robot Exhibition

Over 670 companies gathered at Tokyo's International Robot Exhibition to showcase AI robots and humanoid robots designed for disaster response and workplace tasks. Kawasaki Heavy Industries demonstrated its Kaleido humanoid performing fire extinguishing and rescue operations, while other exhibitors displayed robots addressing labor shortages through autonomous movement and remote control capabilities.

Technology2 sources

AI robots and humanoid robots take center stage at Tokyo's International Robot Exhibition

Technology2 sources

Micron Announces $9.6 Billion Investment in Japan AI Memory Chip Plant

US memory chip giant Micron Technology plans to invest $9.6 billion in building a new high-bandwidth memory (HBM) chip plant in Hiroshima, Japan, targeting the growing AI market with Japanese government subsidies supporting the project.

Business2 sources

Micron Announces $9.6 Billion Investment in Japan AI Memory Chip Plant

Business2 sources

SoftBank Completes $6.5 Billion Ampere Computing Acquisition to Strengthen AI Strategy

SoftBank Group has finalized its acquisition of semiconductor design company Ampere Computing for $6.5 billion, making it a wholly owned subsidiary. The deal aims to bolster SoftBank's AI computing capabilities through ARM-based processors while supporting broader strategic initiatives.

Business2 sources

SoftBank Completes $6.5 Billion Ampere Computing Acquisition to Strengthen AI Strategy

Business2 sources

Sakana AI Raises $135M Series B at $2.65B Valuation, Targeting Japan-Specific AI Solutions

Tokyo-based Sakana AI secured $135 million in Series B funding at a $2.65 billion valuation to develop AI models optimized for Japanese language and culture. The startup plans to expand into defense, manufacturing, and government sectors while building sovereign AI solutions.

Startups6 sources

Sakana AI Raises $135M Series B at $2.65B Valuation, Targeting Japan-Specific AI Solutions

Startups6 sources

SoftBank and OpenAI Launch Joint Venture in Japan Amid Growing AI Investment Concerns

SoftBank and OpenAI have established a 50-50 joint venture in Japan to localize enterprise AI solutions, with SoftBank becoming the first customer. The move comes as analysts raise concerns about circular AI investments and inflated valuations.

Business2 sources

SoftBank and OpenAI Launch Joint Venture in Japan Amid Growing AI Investment Concerns

Business2 sources

Studio Ghibli and Japanese Publishers Challenge OpenAI Over Unauthorized AI Training

Japanese content creators, including Studio Ghibli and Square Enix, demand OpenAI stop using their copyrighted works to train AI models without permission, highlighting global tensions over AI copyright law and artistic protection.

Policy12 sources

Studio Ghibli and Japanese Publishers Challenge OpenAI Over Unauthorized AI Training

Policy12 sources

Japan Confronts OpenAI Over Sora 2's Anime Copyright Concerns

The Japanese government has formally requested OpenAI to prevent copyright infringement of anime and manga content by its Sora 2 video generator. This move highlights the growing tension between AI technology and intellectual property rights in the creative industry.

Policy4 sources

Japan Confronts OpenAI Over Sora 2's Anime Copyright Concerns

Policy4 sources

Nintendo Denies AI Lobbying Claims, Reaffirms IP Protection Stance

Nintendo has officially denied rumors of lobbying against generative AI with the Japanese government. The company clarifies its position on AI use and intellectual property protection.

Policy2 sources

Nintendo Denies AI Lobbying Claims, Reaffirms IP Protection Stance

Policy2 sources

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