Home / Forums / Vintage Melodicas / Vintage Yamaha Tokai Gakki / Reply To: Vintage Yamaha Tokai Gakki Reply To: Vintage Yamaha Tokai Gakki September 23, 2015 at 10:53 pm #5980 Alan BrintonParticipant 1961-67, according to a recent seller. 1961 is when the first Tokai Gakki and Yamaha (made by Tokai Gakki) Pianicas were introduced. This appears to be just a Tokai Gakki product.