Inventor

KITADA RYUICHI

JP3 patents

Patents

3 patents

US5870859AFeb 16, 1999

Water-tight structure for sliding door

YKK ARCHITECTURAL50 citations88

US5657591AAug 19, 1997

Connection structure of a framework

YKK ARCHITECTURAL32 citations88

US5653060AAug 5, 1997

Sliding window structure

YKK ARCHITECTURAL18 citations82