Naoyuki Maruyama

City:

Tokyo

Country:

Japan

Published Applications:

Last publication date:

2015-01-22

Top Assignees for applications by Naoyuki Maruyama

The entities that hold a legal rights for patent applications filed by inventor Maruyama Naoyuki:

Naoyuki Maruyama from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:

Elevator apparatus

SAFETY DEVICE FOR ELEVATOR AND ROPE SLIP DETECTION METHOD

Safety device for elevator and rope slip detection method

Safety device for elevator and rope slip detection method

Safety device for elevator and rope slip detection method using drive sheave acceleration

InventorID:

2402 ⎘