With 370 Carbon Emissions related patents published between 2002 and 2022, Hitachi Ltd holds the most number of Carbon Emissions patents in the global Construction sector, of which 70.3% was contributed by its subsidiary Hitachi Construction Machinery Co Ltd.
The second largest number of Carbon Emissions related patents were published by Wobben Properties Gmbh with 342 patents. The third largest number of Carbon Emissions related patents were published by Siemens AG with 309 patents. The fourth largest number of Carbon Emissions related patents were published by Komatsu Ltd with 223 patents. The fifth largest number of Carbon Emissions related patents were published by General Electric Co with 211 patents.
The top five patent holders, i.e., Hitachi Ltd, Wobben Properties Gmbh, Siemens AG, Komatsu Ltd, and General Electric Co, together held 1,455 Carbon Emissions patents during the period.
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