Kenko Nakaima is known as a practitioner and teacher of the Ryuei-Ryu style of karate, a form of karate that originated in Okinawa, Japan. The Ryuei-Ryu style is a family system of karate handed down by the Nakaima family.
The Ryuei-ryu system was founded by Norisato Nakaima, who studied karate in China. Kenko Nakaima, a direct descendant of Norisato Nakaima, has continued to teach and preserve this style of karate.