I am Bunsho Koyano (小矢野文章), Ph.D. I am currently an engineer at LINE Yahoo Corporation. My strength lies in designing fast and accurate algorithms.

Research Interests

• Graph algorithms
• Combinatorial optimization

Education

• The University of Tokyo (2022-2025)
  • Ph.D. in Information Science and Technology
  • Research topic: Faster algorithms based on Monge properties and their applications to structural biology
• The University of Tokyo (2021-2022)
  • Research student
  • Research topic: Similarity metrics for protein structures using graph-theoretic algorithms
• The University of Tokyo (2018-2020)
  • Master’s student in Mechanical Engineering
• The University of Tokyo (2014-2018)
  • Bachelor’s student in Mechanical Engineering

Work Experience

• LINE Yahoo Corporation (2025-present)

• D-stats, Inc. (2021-2025)
  • Education-related business
    • Evaluated the effectiveness of students’ problem re-solving
    • Automatic problem generation using generative AI
  • Car auction-related business
    • Implemented recommendation systems for buyers and sellers
  • Web-related business
    • Designed A/B tests
• Recruit Co., Ltd. (2020-2021)
  • API development (Python, SQL, Go)
  • Machine learning model monitoring (Tableau, SQL)
  • Data analysis for business growth (Python, SQL)