Masahiko KOKETSU

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Door-pinch detection device and elevator door device
- Patent number 11,745,984
- Issue date Sep 5, 2023
- Mitsubishi Electric Corporation
- Masahiko Koketsu
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator door control device
- Patent number 9,758,351
- Issue date Sep 12, 2017
- Mitsubishi Electric Corporation
- Masahiko Koketsu
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
DOOR-PINCH DETECTION DEVICE AND ELEVATOR DOOR DEVICE
- Publication number 20210179390
- Publication date Jun 17, 2021
- Mitsubishi Electric Corporation
- Masahiko KOKETSU
- B66 - HOISTING LIFTING HAULING
Information Patent Application
ELEVATOR DOOR CONTROL DEVICE
- Publication number 20160009528
- Publication date Jan 14, 2016
- MITSUBISHI ELECTRIC CORPORATION
- Masahiko KOKETSU
- B66 - HOISTING LIFTING HAULING