有段者
Official National Registry
Dan Rank & Certificate Verification
Authenticate official JSKFI Black Belt Dan ranks and Kyu grade certifications issued under Shihan Toshiaki Namiki and Sensei S. Prabhakar.
Tamper-Proof Central Registry
Japanese Hanko Sealed Diplomas
Certificate Credential Lookup
Enter the athlete's full name or official certificate number to inspect verified grading date, examiner board, and digital diploma.
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Tamper-proof Central Ledger
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.