With the analysis among 31 patents, we discovered top 21 key players by total patent application. Yamaha Corp., Ricoh Co., Ltd., Cirrus Logic, Inc. are dominant in this area. They take 35.48% of the total patent filing.
Shizuoka-ken, Japan
Patent: 5
Texas, United States
Patent: 2
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
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With the analysis among related 1 patents applied in the last 5 years. We discover 1 most active companies in this area.
Beijing Shi, China
Patent: 1
With the analysis among related 1 patents in last 5 years, we discover 1 new entrants.
Beijing Shi, China
Patent: 1
With the analysis among 15 patents, we discovered top 9 universities and scientific research institutions by total patent application. The Trustees of Columbia University in The City of New York, Tianjin University of Technology, Shanghai Jiao Tong University are dominant in this area. They take 33.33% of the total patent filing.
New York, United States
Patent: 2
Tianjin Shi, China
Patent: 2
Shanghai Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1