With 267 patents published between 2002 and 2022, Kellogg Co holds the most number of patents in the Construction sector in Hong Kong.
The second largest number of patents were published by Otis Worldwide Corp with 227 related patents. The third largest number of patents were published by Schindler Holding Ltd with 189 related patents. The fourth largest number of patents were published by Hitachi Ltd with 79 related patents. The fifth largest number of patents were published by Mitsubishi Electric Corp with 26 related patents.
The top five patent holders, i.e., Kellogg Co, Otis Worldwide Corp, Schindler Holding Ltd, Hitachi Ltd, and Mitsubishi Electric Corp, together held 788 patents during the period.
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