With the analysis among 17 patents, we discovered top 15 key players by total patent application. Hitachi Ltd., Casio Computer Co., Ltd., KOKUYO CO., LTD. are dominant in this area. They take 17.65% of the total patent filing.
Minnesota, United States
Patent: 1
Rogaland, Norway
Patent: 1
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With the analysis among 6 patents, we discovered top 3 universities and scientific research institutions by total patent application.
Sichuan Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 1