The Japanese Jnee Society
, HOKKAIDO SOCIETY OF ORTHOPAEDIC AND TRAUMATOLOGY
, JAPANESE SOCIETY OF CLINICAL SPORTS MEDICINE
, THE JAPANESE SOCIETY FOR NON-DESTRUCTIVE INSPECTION
, Japan Sports Orthopaedic Asssociation
, THE JAPANESE SOCIETY FOR EXPERIMENTAL MECHANICS
, Japanese Society for Clinical Biomechanics
, The Japan Society of Mechanical Engineers
, Japan Society for Welfare Engineering