With the analysis among 28 patents, we discovered top 16 key players by total patent application. Sharp Corp., Hitachi Ltd., Ricoh Co., Ltd. are dominant in this area. They take 32.14% of the total patent filing.
Toyama-ken, Japan
Patent: 4
Nippon Telegraph & Telephone Corp.
Oki Electric Industry Co., Ltd.
Microsoft Technology Licensing LLC
Washington, United States
Patent: 2
Mitsubishi Electric Corp.
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