Hi Ken, Shigefusa is the name of the company. The hamono-kaji is Tokifusa Iizuka. He and his sons' Yoshihide and Masayuki and his wife Kyoko run the business. His teachers were Muneori Nagashima and Shigeyoshi Iwasaki. His work reminds at the legendary Chiyotsuru Korehide. He forges the well known sashimi hocho.
Best