With the analysis among 793 patents, we discovered top 109 key players by total patent application. Sony Group Corp., Matsushita Electronics Corp., Ricoh Co., Ltd. are dominant in this area. They take 35.94% of the total patent filing.
Tokyo-to, Japan
Patent: 154
Osaka-fu, Japan
Patent: 95
Tokyo-to, Japan
Patent: 36
Origin Electric Co., Ltd.
Tokyo-to, Japan
Patent: 33
Tokyo-to, Japan
Patent: 32
Fukushima-ken, Japan
Patent: 31
Kanagawa-ken, Japan
Patent: 26
Tokyo-to, Japan
Patent: 17
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With the analysis among related 3 patents applied in the last 5 years. We discover 2 most active companies in this area.
Jiangsu Sheng, China
Patent: 1
With the analysis among related 3 patents in last 5 years, we discover 2 new entrants.
Jiangsu Sheng, China
Patent: 1
With the analysis among 2 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Shanghai Shi, China
Patent: 1