Yesterday, Japan's renowned bathroom company TOTO announced its entry into the AI chip industry, with its stock surging 18%. Thought Japan had fallen behind in the AI sector? Turns out they've been holding key positions in the AI chip supply chain all along. Ajinomoto (MSG company) → 95% of the world's high-end chip substrate insulation films Nittobo (old textile factory) → T-Glass fabric (key material for AI packaging) Daikin (air conditioning giant) → High-purity etching chemicals Kyocera (Kyocera/printer brand) → Advanced ceramic packaging substrates Oji Holdings (paper company) → Developer of EUV photoresists And this is just the tip of the iceberg...