With 64 Batteries related patents published between 2002 and 2022, Panasonic Corp holds the most number of Batteries patents in Hong Kong, of which 78.1% was contributed by its subsidiary Sanyo Electric Co Ltd.
The second largest number of Batteries related patents were published by Shenzhen BAK Battery Co., Ltd. with 54 patents. The third largest number of Batteries related patents were published by Energizer Holdings Inc with 54 patents. The fourth largest number of Batteries related patents were published by Sony Group Corp with 46 patents. The fifth largest number of Batteries related patents were published by Johnson & Johnson with 28 patents, of which 85.7% was contributed by its subsidiary Johnson & Johnson Vision Care Inc.
The top five patent holders, i.e., Panasonic Corp, Shenzhen BAK Battery Co., Ltd., Energizer Holdings Inc, Sony Group Corp, and Johnson & Johnson, together held 246 Batteries patents during the period.
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