With 54 Hydrogen related patents published between 2002 and 2022, Kawasaki Heavy Industries Ltd holds the most number of Hydrogen patents in the global Transportation, Infrastructure and Logistics sector.
The second largest number of Hydrogen related patents were published by Korea Development Bank with 40 patents. The third largest number of Hydrogen related patents were published by Panasonic Corp with 26 patents, of which 92.3% was contributed by its subsidiary Panasonic Intellectual Property Management Co., Ltd.. The fourth largest number of Hydrogen related patents were published by Hyundai Heavy Industries Holdings Co Ltd with 22 patents, of which 54.5% was contributed by its subsidiary Korea Shipbuilding & Offshore Engineering Co Ltd. The fifth largest number of Hydrogen related patents were published by Air Products and Chemicals Inc with 12 patents.
The top five patent holders, i.e., Kawasaki Heavy Industries Ltd, Korea Development Bank, Panasonic Corp, Hyundai Heavy Industries Holdings Co Ltd, and Air Products and Chemicals Inc, together held 154 Hydrogen patents during the period.
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