With the analysis among 23 patents, we discovered top 19 key players by total patent application. NCR Corp., Siemens AG, Mitsubishi Electric Corp. are dominant in this area. They take 17.39% of the total patent filing.
Georgia, United States
Patent: 2
Mitsubishi Electric Corp.
Kanagawa-ken, Japan
Patent: 1
Aichi-ken, Japan
Patent: 1
Mitsubishi Pencil Co., Ltd.
Ishikawa-ken, Japan
Patent: 1
Iowa, United States
Patent: 1
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