Lijun MA

Person

Qingdao, Shangdong, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Bogie of a rail vehicle with at least two wheelsets mounted in axle...
- Patent number 11,254,335
- Issue date Feb 22, 2022
- CRRC Qingdao Sifang Co., Ltd.
- Lijun Ma
- B61 - RAILWAYS
Information Patent Grant
Method, system and device for controlling door of railway vehicle
- Patent number 11,125,006
- Issue date Sep 21, 2021
- CRRC Qingdao Sifang Co., Ltd.
- Bo Chen
- B61 - RAILWAYS
Information Patent Grant
Mold with cavities for nanoimprint lithography and method of imprin...
- Patent number 10,649,327
- Issue date May 12, 2020
- Shandong University of Science and Technology
- Qing Wang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Central traction device for straddling monorail train
- Patent number 10,507,847
- Issue date Dec 17, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Jinming Zhou
- B61 - RAILWAYS
Information Patent Grant
Railway vehicle and derailment safety device thereof
- Patent number 10,471,975
- Issue date Nov 12, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Zhenxian Zhang
- B61 - RAILWAYS
Information Patent Grant
Alarming and unlocking device
- Patent number 10,464,524
- Issue date Nov 5, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Bo Chen
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Mounting structure for equipment compartment bottom plate
- Patent number 10,071,751
- Issue date Sep 11, 2018
- CRRC QINGDAO SIFANG CO., LTD.
- Wenmin Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Bogie for high-speed railway vehicle
- Patent number 10,011,287
- Issue date Jul 3, 2018
- CRRC QINGDAO SIFANG CO., LTD.
- Lijun Ma
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
BOGIE OF A RAIL VEHICLE WITH AT LEAST TWO WHEELSETS MOUNTED IN AXLE...
- Publication number 20190322296
- Publication date Oct 24, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Lijun MA
- B61 - RAILWAYS
Information Patent Application
MOLD WITH CAVITIES FOR NANOIMPRINT LITHOGRAPHY AND METHOD OF IMPRIN...
- Publication number 20190227430
- Publication date Jul 25, 2019
- Shandong University of Science and Technology
- Qing WANG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD, SYSTEM AND DEVICE FOR CONTROLLING DOOR OF RAILWAY VEHICLE
- Publication number 20190024436
- Publication date Jan 24, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Bo Chen
- B61 - RAILWAYS
Information Patent Application
ALARMING AND UNLOCKING DEVICE
- Publication number 20190023222
- Publication date Jan 24, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Bo CHEN
- B60 - VEHICLES IN GENERAL
Information Patent Application
CENTRAL TRACTION DEVICE FOR STRADDLING MONORAIL TRAIN
- Publication number 20180345996
- Publication date Dec 6, 2018
- CRRC QINGDAO SIFANG CO., LTD.
- Jinming ZHOU
- B61 - RAILWAYS
Information Patent Application
RAILWAY VEHICLE AND DERAILMENT SAFETY DEVICE THEREOF
- Publication number 20170284032
- Publication date Oct 5, 2017
- CRRC QINGDAO SIFANG CO., LTD.
- Zhenxian ZHANG
- B61 - RAILWAYS
Information Patent Application
MOUNTING STRUCTURE FOR EQUIPMENT COMPARTMENT BOTTOM PLATE
- Publication number 20170190338
- Publication date Jul 6, 2017
- CRRC QINGDAO SIFANG CO., LTD.
- Wenmin YU
- B61 - RAILWAYS
Information Patent Application
BOGIE FOR HIGH-SPEED RAILWAY VEHICLE
- Publication number 20160362120
- Publication date Dec 15, 2016
- CRRC QINGDAO SIFANG CO., LTD.
- Lijun MA
- B61 - RAILWAYS

Person

Patents Grantslast 30 patents

Bogie of a rail vehicle with at least two wheelsets mounted in axle...

Method, system and device for controlling door of railway vehicle

Mold with cavities for nanoimprint lithography and method of imprin...

Central traction device for straddling monorail train

Railway vehicle and derailment safety device thereof

Alarming and unlocking device

Mounting structure for equipment compartment bottom plate

Bogie for high-speed railway vehicle

Patents Applicationslast 30 patents

BOGIE OF A RAIL VEHICLE WITH AT LEAST TWO WHEELSETS MOUNTED IN AXLE...

MOLD WITH CAVITIES FOR NANOIMPRINT LITHOGRAPHY AND METHOD OF IMPRIN...

METHOD, SYSTEM AND DEVICE FOR CONTROLLING DOOR OF RAILWAY VEHICLE

ALARMING AND UNLOCKING DEVICE

CENTRAL TRACTION DEVICE FOR STRADDLING MONORAIL TRAIN

RAILWAY VEHICLE AND DERAILMENT SAFETY DEVICE THEREOF

MOUNTING STRUCTURE FOR EQUIPMENT COMPARTMENT BOTTOM PLATE

BOGIE FOR HIGH-SPEED RAILWAY VEHICLE