Inventor

SATO HARUMATSU

JP2 patents

Patents

2 patents

US5314240AMay 24, 1994

Shell structure for use with a chair having synchronously moving seat and seat back

ITOKI KK112 citations95

US5338099AAug 16, 1994

Shell structure for use with a chair having synchronously moving seat and seat back

ITOKI KK83 citations93