Japanese National Badminton Championships

All Japan Badminton Championships is a tournament organized to crown the best badminton players in Japan.

Eligibility
Athletes who meet any of the following criteria are eligible to participate:
 * Those who placed in the top 8 in the previous year's tournament.
 * Those who placed in the top 16 at this year's All Japan Members Badminton Championships.
 * Those who placed in the top 4 at this year's All Japan Teachers' Badminton Championship.
 * Those who placed in the top 4 at this year's All Japan High School Badminton Championships.
 * Those who placed in the top 4 at this year's All Japan Junior Badminton Championships.
 * Those who are ranked within the top 16 in the Japan National Ranking announced after this year's Japan Ranking Circuit Tournament.
 * Those nominated from each region (one person and one group for each event).
 * Nippon Badminton Association recommenders.