With 11,361 Industrial Automation related patents published between 2002 and 2022, Canon Inc holds the most number of Industrial Automation patents in Japan.
The second largest number of Industrial Automation related patents were published by Hitachi Ltd with 10,458 patents. The third largest number of Industrial Automation related patents were published by Toyota Motor Corp with 9,238 patents. The fourth largest number of Industrial Automation related patents were published by Mitsubishi Electric Corp with 7,843 patents, of which 67.9% was contributed by Mitsubishi Electric Information Network Corp. The fifth largest number of Industrial Automation related patents were published by Seiko Epson Corp with 7,199 patents.
The top five patent holders, i.e., Canon Inc, Hitachi Ltd, Toyota Motor Corp, Mitsubishi Electric Corp, and Seiko Epson Corp, together held 46,099 Industrial Automation patents during the period.
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