What happened
SoftBank said it provided its 生成AIパッケージ to Hokuyo Bank and built a secure Azure OpenAI Service environment, supporting use across roughly 2,500 IDs bank-wide.
Why it matters
The bank is using generative AI in daily work such as drafting, proofreading, minutes and loan operations, suggesting that a full-bank rollout in a security-sensitive industry is already producing practical use cases, not just pilots.
WHO IT HITSBank employees in sales, loan and branch management roles are the direct users, with Hokuyo Bank targeting branch staff across Hokkaido. Other regional banks weighing a bank-wide generative AI rollout may look to this case as a reference for security and adoption support.
Summaries like this, every morning.
Hokuyo Bank had already been using generative AI, but its previous environment limited the range of uses and lacked the scalability and ongoing support the bank wanted. For a financial institution handling confidential and personal information, security requirements and compliance with laws and supervisory guidelines were central to choosing a new environment. SoftBank's 生成AIパッケージ offered a private, secure Azure OpenAI Service setup along with general-purpose chat and business-specific interfaces, plus support from requirements definition through operations. Beyond building the environment, Hokuyo Bank ran hands-on training at branches across Hokkaido and prepared purpose-specific prompt collections, aiming to make generative AI part of everyday work rather than a one-off tool. The bank now plans to extend its know-how to local companies and municipalities through its AI-focused subsidiary, AI Ignition株式会社.
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