Koretoshi Maruyama, Date of Birth, Place of Birth

Koretoshi Maruyama

Date of Birth: 05-Oct-1936

Place of Birth: Tokyo, Japan

Profession: aikidoka

Nationality: Japan

Zodiac Sign: Libra

Koretoshi Maruyama (born 5 October 1936) is an aikido instructor and founder of Aikido Yuishinkai (??????), he was an uchi deshi of aikido founder Morihei Ueshiba and also a student of Koichi Tohei.