Although he was an amateur astronomer Ky Kawanishi discovered thirteen minor planets, including Nada, Nomura, and Shoyo.
Minor planets discovered: 13 4106 Nada 6559 Nomura 14873 Shoyo Koyo Kawanishi ( , Kawanishi Koyo, born January 18, 1959) is a Japanese dentist, amateur astronomer and discoverer of 13 minor planets. 
