Naoyuki Maruyama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ceiling unit and elevator car including ceiling unit
- Patent number 10,538,415
- Issue date Jan 21, 2020
- Mitsubishi Electric Corporation
- Naoyuki Maruyama
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator car upper handrail apparatus
- Patent number 10,233,054
- Issue date Mar 19, 2019
- Mitsubishi Electric Corporation
- Takahide Ishiguro
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Elevator apparatus
- Patent number 9,617,119
- Issue date Apr 11, 2017
- Mitsubishi Electric Corporation
- Naoyuki Maruyama
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Underslung elevator
- Patent number 9,511,979
- Issue date Dec 6, 2016
- Mitsubishi Electric Corporation
- Naoyuki Maruyama
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Safety device for elevator and rope slip detection method
- Patent number 8,336,677
- Issue date Dec 25, 2012
- Mitsubishi Electric Corporation
- Hiroshi Kigawa
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Safety device for elevator and rope slip detection method using dri...
- Patent number 8,297,413
- Issue date Oct 30, 2012
- Mitsubishi Electric Corporation
- Hiroshi Kigawa
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Safety device for elevator and rope slip detection method
- Patent number 8,261,886
- Issue date Sep 11, 2012
- Mitsubishi Electric Corporation
- Hiroshi Kigawa
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
ELEVATOR CAR UPPER HANDRAIL APPARATUS
- Publication number 20180201478
- Publication date Jul 19, 2018
- MITSUBISHI ELECTRIC CORPORATION
- Takahide ISHIGURO
- B66 - HOISTING LIFTING HAULING
Information Patent Application
CEILING UNIT AND ELEVATOR CAR INCLUDING CEILING UNIT
- Publication number 20170137261
- Publication date May 18, 2017
- MITSUBISHI ELECTRIC CORPORATION
- Naoyuki MARUYAMA
- B66 - HOISTING LIFTING HAULING
Information Patent Application
UNDERSLUNG ELEVATOR
- Publication number 20160159615
- Publication date Jun 9, 2016
- MITSUBISHI ELECTRIC CORPORATION
- Naoyuki MARUYAMA
- B66 - HOISTING LIFTING HAULING
Information Patent Application
ELEVATOR APPARATUS
- Publication number 20150021122
- Publication date Jan 22, 2015
- Mitsubishi Electric Corporation
- Naoyuki Maruyama
- B66 - HOISTING LIFTING HAULING
Information Patent Application
SAFETY DEVICE FOR ELEVATOR AND ROPE SLIP DETECTION METHOD
- Publication number 20130001020
- Publication date Jan 3, 2013
- Mitsubishi Electric Corporation
- Hiroshi Kigawa
- B66 - HOISTING LIFTING HAULING
Information Patent Application
SAFETY DEVICE FOR ELEVATOR AND ROPE SLIP DETECTION METHOD
- Publication number 20120193174
- Publication date Aug 2, 2012
- MITSUBISHI ELECTRIC CORPORATION
- Hiroshi Kigawa
- B66 - HOISTING LIFTING HAULING
Information Patent Application
SAFETY DEVICE FOR ELEVATOR AND ROPE SLIP DETECTION METHOD
- Publication number 20120186916
- Publication date Jul 26, 2012
- MITSUBISHI ELECTRIC CORPORATION
- Hiroshi Kigawa
- B66 - HOISTING LIFTING HAULING
Information Patent Application
SAFETY DEVICE FOR ELEVATOR AND ROPE SLIP DETECTION METHOD
- Publication number 20100300813
- Publication date Dec 2, 2010
- Mitsubishi Electric Corporatioin
- Hiroshi Kigawa
- B66 - HOISTING LIFTING HAULING

Naoyuki Maruyama

Person

Patents Grantslast 30 patents

Ceiling unit and elevator car including ceiling unit

Elevator car upper handrail apparatus

Elevator apparatus

Underslung elevator

Safety device for elevator and rope slip detection method

Safety device for elevator and rope slip detection method using dri...

Safety device for elevator and rope slip detection method

Patents Applicationslast 30 patents

ELEVATOR CAR UPPER HANDRAIL APPARATUS

CEILING UNIT AND ELEVATOR CAR INCLUDING CEILING UNIT

UNDERSLUNG ELEVATOR

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