Shunji IMAI

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Chiba-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device for preventing travel of an elevator with its doors open
- Patent number 9,643,820
- Issue date May 9, 2017
- Otis Elevator Company
- Hideki Arai
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Device for preventing travel of an elevator with its doors open
- Patent number 8,689,945
- Issue date Apr 8, 2014
- Otis Elevator Company
- Hideki Arai
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR PREVENTING TRAVEL OF AN ELEVATOR WITH ITS DOORS OPEN
- Publication number 20140158470
- Publication date Jun 12, 2014
- Otis Elevator Company
- Hideki ARAI
- B66 - HOISTING LIFTING HAULING