Aihua Ma

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Grain-oriented silicon steel having heat-resistant magnetic domain...
- Patent number 11,633,809
- Issue date Apr 25, 2023
- Baoshan Iron & Steel Co., Ltd.
- Shuangjie Chu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High magnetic induction and low iron loss non-oriented electrical s...
- Patent number 10,844,451
- Issue date Nov 24, 2020
- Baoshan Iron & Steel Co., Ltd.
- Feng Zhang
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented silicon steel and its manufacturing method
- Patent number 10,385,414
- Issue date Aug 20, 2019
- Baoshan Iron & Steel Co., Ltd.
- Liang Zou
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented silicon steel and manufacturing process thereof
- Patent number 10,176,910
- Issue date Jan 8, 2019
- Baoshan Iron & Steel Co., Ltd.
- Shishu Xie
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel sheet with fine magnetic performance,...
- Patent number 10,147,528
- Issue date Dec 4, 2018
- Boashan Iron & Steel Co., Ltd.
- Feng Zhang
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel plate and manufacturing process therefor
- Patent number 10,096,415
- Issue date Oct 9, 2018
- Baoshan Iron & Steel Co., Ltd.
- Aihua Ma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing silicon steel normalizing substrate
- Patent number 9,822,423
- Issue date Nov 21, 2017
- Baoshan Iron & Steel, Co., Ltd.
- Hongxu Hei
- C21 - METALLURGY OF IRON
Information Patent Grant
Manufacture method of high-efficiency non-oriented silicon steel wi...
- Patent number 9,816,152
- Issue date Nov 14, 2017
- Baoshan Iron & Steel Co., Ltd.
- Aihua Ma
- C21 - METALLURGY OF IRON
Information Patent Grant
Non-oriented electrical steel plate and manufacturing process therefor
- Patent number 9,659,694
- Issue date May 23, 2017
- Baoshan Iron & Steel Co., Ltd.
- Aihua Ma
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
A GRAIN-ORIENTED SILICON STEEL HAVING HEAT-RESISTANT MAGNETIC DOMAI...
- Publication number 20210023659
- Publication date Jan 28, 2021
- Baoshan Iron & Steel Co., Ltd
- Shuangjie CHU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Non-Oriented Electrical Steel Plate and Manufacturing Process Therefor
- Publication number 20180096767
- Publication date Apr 5, 2018
- Baoshan Iron & Steel Co., Ltd
- Aihua Ma
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH MAGNETIC INDUCTION AND LOW IRON LOSS NON-ORIENTED ELECTRICAL S...
- Publication number 20180094331
- Publication date Apr 5, 2018
- Baoshan Iron & Steel Co., Ltd
- Feng Zhang
- C21 - METALLURGY OF IRON
Information Patent Application
Non-Oriented Electrical Steel Sheet with Fine Magnetic Performance,...
- Publication number 20150034212
- Publication date Feb 5, 2015
- Baoshan Iron & Steel Co., Ltd
- Feng Zhang
- C21 - METALLURGY OF IRON
Information Patent Application
Non-Oriented Silicon Steel and Manufacturing Process Thereof
- Publication number 20150013844
- Publication date Jan 15, 2015
- Baoshan Iron & Steel Co., Ltd
- Shishu Xie
- C21 - METALLURGY OF IRON
Information Patent Application
Method for Producing Silicon Steel Normalizing Substrate
- Publication number 20150013847
- Publication date Jan 15, 2015
- Baoshan Iron & Steel Co., Ltd
- Hongxu Hei
- C21 - METALLURGY OF IRON
Information Patent Application
Non-Oriented Silicon Steel and Its Manufacturing Method
- Publication number 20150000794
- Publication date Jan 1, 2015
- Baoshan Iron & Steel Co., Ltd
- Liang Zou
- C21 - METALLURGY OF IRON
Information Patent Application
Non-Oriented Electrical Steel Plate and Manufacturing Process Therefor
- Publication number 20140377124
- Publication date Dec 25, 2014
- Baoshan Iron & Steel Co., Ltd
- Aihua Ma
- C21 - METALLURGY OF IRON
Information Patent Application
MANUFACTURE METHOD OF HIGH-EFFICIENCY NON-ORIENTED SILICON STEEL WI...
- Publication number 20130199675
- Publication date Aug 8, 2013
- Aihua Ma
- C21 - METALLURGY OF IRON
Information Patent Application
Non-Oriented Electrical Steel Having High Magnetic Induction And Hi...
- Publication number 20120298267
- Publication date Nov 29, 2012
- Zhanyuan Hu
- C21 - METALLURGY OF IRON
Information Patent Application
Manufacture Process Of Non-Oriented Silicon Steel With High Magneti...
- Publication number 20120285584
- Publication date Nov 15, 2012
- Zitao Wang
- C21 - METALLURGY OF IRON

Person

Patents Grantslast 30 patents

Grain-oriented silicon steel having heat-resistant magnetic domain...

High magnetic induction and low iron loss non-oriented electrical s...

Non-oriented silicon steel and its manufacturing method

Non-oriented silicon steel and manufacturing process thereof

Non-oriented electrical steel sheet with fine magnetic performance,...

Non-oriented electrical steel plate and manufacturing process therefor

Method for producing silicon steel normalizing substrate

Manufacture method of high-efficiency non-oriented silicon steel wi...

Non-oriented electrical steel plate and manufacturing process therefor

Patents Applicationslast 30 patents

A GRAIN-ORIENTED SILICON STEEL HAVING HEAT-RESISTANT MAGNETIC DOMAI...

Non-Oriented Electrical Steel Plate and Manufacturing Process Therefor

HIGH MAGNETIC INDUCTION AND LOW IRON LOSS NON-ORIENTED ELECTRICAL S...

Non-Oriented Electrical Steel Sheet with Fine Magnetic Performance,...

Non-Oriented Silicon Steel and Manufacturing Process Thereof

Method for Producing Silicon Steel Normalizing Substrate

Non-Oriented Silicon Steel and Its Manufacturing Method

Non-Oriented Electrical Steel Plate and Manufacturing Process Therefor

MANUFACTURE METHOD OF HIGH-EFFICIENCY NON-ORIENTED SILICON STEEL WI...

Non-Oriented Electrical Steel Having High Magnetic Induction And Hi...

Manufacture Process Of Non-Oriented Silicon Steel With High Magneti...