Akio Katayama (@c9katayama)
  • Stars
    star
    98
  • Global Rank 209,546 (Top 8 %)
  • Followers 12
  • Following 2
  • Registered almost 15 years ago
  • Most used languages
    Java
    60.0 %
    JavaScript
    20.0 %
    Ruby
    20.0 %
  • Location 🇯🇵 Japan
  • Country Total Rank 4,377
  • Country Ranking
    Ruby
    311
    Java
    1,502
    JavaScript
    5,274