Engineer Justsystem Limited company, Tokushima-shi, Japan, 1991—1997. Lecturer Akita Municipal Junior College Arts and Crafts, Akita-shi, Japan, 2002—2006. Associate professor Muroran Institute of Technology, Muroran-shi, since 2004.
Researcher Institute Design Philosophy, Yamagata-shi, Yamagata, Japan, since 2007. Organizing committee publicity chairs Institute of Electrical and Electronics Engineers Conference Soft Computing Industrial Applications, Muroran-shi, Hokkaido, 2008.