With 921 Internet of Things related patents published between 2002 and 2022, Panasonic Corp holds the most number of Internet of Things patents in Japan, of which 41.2% was contributed by its subsidiary Panasonic Intellectual Property Management Co., Ltd..
The second largest number of Internet of Things related patents were published by Sony Group Corp with 862 patents. The third largest number of Internet of Things related patents were published by Qualcomm Inc with 738 patents. The fourth largest number of Internet of Things related patents were published by NEC Corp with 703 patents. The fifth largest number of Internet of Things related patents were published by Toshiba Corp with 617 patents.
The top five patent holders, i.e., Panasonic Corp, Sony Group Corp, Qualcomm Inc, NEC Corp, and Toshiba Corp, together held 3,841 Internet of Things patents during the period.
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