MU

Masazumi Urata

OE Otis Elevator: 3 patents #506 of 1,840Top 30%
📍 Oshima, JP: #365 of 1,090 inventorsTop 35%
Overall (All Time): #1,559,506 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7905329 Earthquake control operating system for an elevator and earthquake control operating method for an elevator — 2011-03-15
7198136 Elevator device for a multi-sky-lobby system — 2007-04-03
7114595 Method of assigning elevators for sky lobbies — 2006-10-03