Dan Rank & Certificate Verification
Authenticate official JSKFI Black Belt Dan ranks and Kyu grade certifications issued under Sensei Toshiaki Namiki (8th Dan Black Belt Chief Instructor JSKF — Grand Master of Sensei S. Prabhakar) and Sensei S. Prabhakar.
Certificate Credential Lookup
Enter the athlete's full name or official certificate number to inspect verified grading date, examiner board, and digital diploma.
Official Japanese Hanko
Every black belt certificate is stamped with authentic Japanese red vermilion hanko seals authenticating lineage.
International Portability
JSKFI Dan diplomas are recognized globally through our federation affiliation with master bodies in Japan and UK.
WKF / KAI Equivalent
Strict adherence to World Karate Federation kata standards and formal technical board evaluation criteria.