About Us

Operating Company

  • Notation LLC

Based on the belief that “data visualization is the intersection of expressive communication and problem-solving,” we provide new forms of notation to the world.

About the Representative

  • Yuichi Yazaki

After seven years of experience as a user interface designer and art director at Business Architects Inc., Yuichi Yazaki went independent. He is engaged in a wide range of activities related to the practice and promotion of data visualization, including lectures at corporations and educational institutions, information dissemination through the website Visualizing.JP, and community activities through Data Visualization Japan.

He is the sole author of “The Complete Guide to Data Visualization Fundamentals” and co-author of “The RESAS Textbook” (Nikkei BP, 2016). He holds a Master’s degree in Design Science from Chiba Institute of Technology. He is the founder of Data Visualization Japan and a Yahoo! News Expert.


Last updated on 2026-03-06