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Retrieva, Inc. is a Tokyo company developing natural language processing AI tools for research, call support and document search.
Based in Tokyo, Japan, and founded in 2016, Retrieva, Inc. develops natural language processing AI systems for researching, organizing and analyzing information, including after-call support, voice recognition and extraction of key messages from audio. Its products include Yoshina, a text analysis tool, and Tsunade, an internal document search solution. As of August 2024, Takuya Taguchi is CEO. In October 2025, it raised undisclosed venture funding from new investor Ryoyo Electro Corporation.
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