Kiyokazu Yoshigai 's son , Kozo Yoshigai , is now president of the company .
Kiyokazu and Toshiharu Yoshigai , the sons of the company 's founder , later succeeded their father at the company 's helm .
Kiyokazu   's son , Kozo Yoshigai , is now president of the company .
Kiyokazu and Toshiharu Yoshigai , the sons of the company 's founder , later succeeded their father at the company 's helm .