Inventor

SAKO KATSUNORI

JP4 patents

Patents

4 patents

US6516494B2Feb 11, 2003

Adjustable door hinge

JUKEN SANGYO42 citations89

US6308476B1Oct 30, 2001

Adjustable frame

JUKEN SANGYO33 citations89

US6167663B1Jan 2, 2001

Adjustable Frame

JUKEN SANGYO36 citations89

US6405490B2Jun 18, 2002

Double hinged door system

JUKEN SANGYO0 citations38