Inventor
YOSHIKAWA MASAMI
JP4 patents
Patents
4 patentsUS5636715AJun 10, 1997
Elevator door structure and method of adjusting the same
MITSUBISHI ELECTRIC CORP28 citations90
US5165505ANov 24, 1992
Elevator landing door apparatus
MITSUBISHI ELECTRIC CORP27 citations87
US5156237AOct 20, 1992
Elevator landing door apparatus
MITSUBISHI ELECTRIC CORP20 citations80
US7644808B2Jan 12, 2010
Door device of elevator
MITSUBISHI ELECTRIC CORP6 citations59