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Table 1.3 World’s Top Ten Owners of Wind Power Related Patents
Company Total patents Country
US
GENERAL ELECTRIC CO 931
Denmark
VESTAS WIND SYSTEMS AS 690 Germany
SIEMENS AG 449 Japan
Japan
MITSUBISHI JUKOGYO KK 321 Germany
Germany
MITSUBISHI HEAVY IND CO LTD 293 Germany
Spain
WOBBEN A 175 Denmark
REPOWER SYSTEMS AG 173
NORDEX ENERGY GMBH 142
GAMESA INNOVATION&TECHNOLOGY SL 137
LM GLASFIBER AS 102
Source Derwent Innovations Index, accessed on March 14, 2013
Table 1.4 China’s Top Ten Applicants for Wind Power Related Patents
Applicants Total Invention Share of Country
patents patents invention
US
patents (%) Germany
Denmark
GENERAL ELECTRIC CO 607 607 100
Japan
SIEMENS AG 269 257 95.5 China
China
VESTAS WIND SYSTEMS A 171 166 97.1 Denmark
China
MITSUBISHI HEAVY IND CO. LTD 154 154 100 Spain
China
GUODIAN UNITED POWER 154 75 48.7
SINOVEL 138 31 22.5
VESTAS WIND SYSTEMS S 103 97 94.2
SANY 100 54 54
GAMESA INNOVATION & TECHNOLOGY SL 75 75 100
MINGYANG WIND POWER 73 40 54.8
Source Derwent Innovations Index, accessed on March 14, 2013
Table 1.5 Comparison of Key Technology Gap between China and Developed Countries
Sector Technology Development Status in China and Abroad
Energy Ultra- The technology is developing rapidly in China, with an import
(mainly supercritical substitution rate of more than 80%. Though there is still room for
power power efficiency improvement. R&D on a new generation of high power
sector) generation ultra-supercritical units, with an efficiency rate of 55% is going on
technology in the world, while key technologies in high-temperature materials,
casting and forging are still restricted to developed countries.
30 Low Carbon Development in China and India
Company Total patents Country
US
GENERAL ELECTRIC CO 931
Denmark
VESTAS WIND SYSTEMS AS 690 Germany
SIEMENS AG 449 Japan
Japan
MITSUBISHI JUKOGYO KK 321 Germany
Germany
MITSUBISHI HEAVY IND CO LTD 293 Germany
Spain
WOBBEN A 175 Denmark
REPOWER SYSTEMS AG 173
NORDEX ENERGY GMBH 142
GAMESA INNOVATION&TECHNOLOGY SL 137
LM GLASFIBER AS 102
Source Derwent Innovations Index, accessed on March 14, 2013
Table 1.4 China’s Top Ten Applicants for Wind Power Related Patents
Applicants Total Invention Share of Country
patents patents invention
US
patents (%) Germany
Denmark
GENERAL ELECTRIC CO 607 607 100
Japan
SIEMENS AG 269 257 95.5 China
China
VESTAS WIND SYSTEMS A 171 166 97.1 Denmark
China
MITSUBISHI HEAVY IND CO. LTD 154 154 100 Spain
China
GUODIAN UNITED POWER 154 75 48.7
SINOVEL 138 31 22.5
VESTAS WIND SYSTEMS S 103 97 94.2
SANY 100 54 54
GAMESA INNOVATION & TECHNOLOGY SL 75 75 100
MINGYANG WIND POWER 73 40 54.8
Source Derwent Innovations Index, accessed on March 14, 2013
Table 1.5 Comparison of Key Technology Gap between China and Developed Countries
Sector Technology Development Status in China and Abroad
Energy Ultra- The technology is developing rapidly in China, with an import
(mainly supercritical substitution rate of more than 80%. Though there is still room for
power power efficiency improvement. R&D on a new generation of high power
sector) generation ultra-supercritical units, with an efficiency rate of 55% is going on
technology in the world, while key technologies in high-temperature materials,
casting and forging are still restricted to developed countries.
30 Low Carbon Development in China and India
