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Top Emission Reduction Patent Assignees

List includes companies with the highest number of emission reduction patents filed

LG Corp
Headquarters

South Korea

Sector

Technology and Communications

Parent/Subsidiary/Independent

Parent

Annual Revenue

$5.7B

Toyota Motor Corp
Headquarters

Japan

Sector

Automotive

Parent/Subsidiary/Independent

Parent

Annual Revenue

$333.1B

Contemporary Amperex Technology Co Ltd
Headquarters

China

Sector

Clean Technology

Parent/Subsidiary/Independent

Parent

Annual Revenue

$56.7B

Samsung SDI Co Ltd
Headquarters

South Korea

Sector

Technology and Communications

Parent/Subsidiary/Independent

Parent

Annual Revenue

$17.4B

Toshiba Corp
Headquarters

Japan

Sector

Technology and Communications

Parent/Subsidiary/Independent

Parent

Annual Revenue

$24.8B

Chinese Academy of Sciences
Headquarters

China

Sector

Pharmaceuticals and Healthcare

Parent/Subsidiary/Independent

Parent

Annual Revenue

WXYZ

Chinese Academy of Sciences
Ningde Times New Energy Technology Co., Ltd.
Headquarters

China

Sector

Industrial Goods and Machinery

Parent/Subsidiary/Independent

Parent

Annual Revenue

WXYZ

Ningde Times New Energy Technology Co., Ltd.
Siemens AG
Headquarters

Germany

Sector

Technology and Communications

Parent/Subsidiary/Independent

Parent

Annual Revenue

$81.8B

Samsung Group
Headquarters

South Korea

Sector

Technology and Communications

Parent/Subsidiary/Independent

Annual Revenue

WXYZ

Samsung Group
Murata Manufacturing Co Ltd
Headquarters

Japan

Sector

Technology and Communications

Parent/Subsidiary/Independent

Parent

Annual Revenue

$12.1B

Semiconductor Energy Laboratory Co., Ltd.
Headquarters

Japan

Sector

Technology and Communications

Parent/Subsidiary/Independent

Independent

Annual Revenue

WXYZ

Semiconductor Energy Laboratory Co., Ltd.
State Grid Corporation of China
Headquarters

China

Sector

Power

Parent/Subsidiary/Independent

Parent

Annual Revenue

WXYZ

State Grid Corporation of China
Zeon Corp
Headquarters

Japan

Sector

Chemicals

Parent/Subsidiary/Independent

Parent

Annual Revenue

$2.8B

Zeon Corp
General Motors Co
Headquarters

United States of America

Sector

Automotive

Parent/Subsidiary/Independent

Parent

Annual Revenue

$171.8B

Huazhong University of Science & Technology
Headquarters

China

Sector

Government and Non-Profit Organisations

Parent/Subsidiary/Independent

Parent

Annual Revenue

WXYZ

Huazhong University of Science & Technology
Kyocera Corp
Headquarters

Japan

Sector

Technology and Communications

Parent/Subsidiary/Independent

Parent

Annual Revenue

$14.8B

NGK Insulators Ltd
Headquarters

Japan

Sector

Industrial Goods and Machinery

Parent/Subsidiary/Independent

Parent

Annual Revenue

$4.3B

RTX Corp
Headquarters

United States of America

Sector

Aerospace and Defense

Parent/Subsidiary/Independent

Parent

Annual Revenue

$68.9B

Ford Motor Co
Headquarters

United States of America

Sector

Automotive

Parent/Subsidiary/Independent

Parent

Annual Revenue

$176.2B

Fujifilm Holdings Corp
Headquarters

Japan

Sector

Technology and Communications

Parent/Subsidiary/Independent

Parent

Annual Revenue

$21.9B

CEA
Headquarters

France

Sector

Government and Non-Profit Organisations

Parent/Subsidiary/Independent

Parent

Annual Revenue

WXYZ

CEA
Denso Corp
Headquarters

Japan

Sector

Automotive

Parent/Subsidiary/Independent

Parent

Annual Revenue

$52.8B

Eni SpA
Headquarters

Italy

Sector

Energy and Utilities

Parent/Subsidiary/Independent

Parent

Annual Revenue

$101.3B

State-owned Assets Supervision and Administration Commission of the State Council
Headquarters

China

Sector

Government and Non-Profit Organisations

Parent/Subsidiary/Independent

Parent

Annual Revenue

WXYZ

State-owned Assets Supervision and Administration Commission of the State Council
BOE Technology Group Co Ltd
Headquarters

China

Sector

Technology and Communications

Parent/Subsidiary/Independent

Subsidiary (of Beijing Electronics Holding Co Ltd)

Annual Revenue

$24.7B

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