2 verified, source-linked AI implementations documented between 2024–2025.
Lawsuit against Perplexity AI (Tokyo District Court, Aug 2025) alleging 119,467 articles copied without authorization between Feb–June 2025, violating reproduction and public transmission rights under Japan's Copyright Act; claiming website traffic and advertising revenue losses
Joint AI governance manifesto with NTT Corporation (April 2024) calling for urgent regulation of generative AI to prevent democracy collapse; warns of hallucinations, bias, copyright scraping and collapse of incentives for accurate information; proposes hard law for high-risk areas plus industry co-regulation
Yomiuri Shimbun is one of 13 organizations in Japan documented in the index, which holds 24 cases from the country. Its work spans 2 function types, including AI Ethics & Editorial Policy, documented across 75 organizations worldwide.