With the analysis among 9,970 patents, we discovered top 482 key players by total patent application. Hitachi Ltd., Matsushita Electronics Corp., Mitsubishi Electric Corp. are dominant in this area. They take 2.81% of the total patent filing.
Tokyo-to, Japan
Patent: 103
Osaka-fu, Japan
Patent: 98
Tokyo-to, Japan
Patent: 79
Tokyo-to, Japan
Patent: 67
Tokyo-to, Japan
Patent: 59
Beijing Shi, China
Patent: 56
Central Singapore, Singapore
Patent: 55
Guangdong Sheng, China
Patent: 54
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 46
Colorado, United States
Patent: 45
With the analysis among 50 patents, we discovered top 25 start-ups by total patent application. LINK-US Co., Ltd., Hap2u, Aisin KK are active in this area.
Kanagawa-ken, Japan
Patent: 8
Zhejiang Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
Hong Kong SAR, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
With the analysis among related 6,275 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing AAC Technologies Pte Ltd., Gree Electric Appliances, Inc. of Zhuhai, AAC Acoustic Technologies (Shenzhen) Co., Ltd. take 1.90% of patent filing during this period.
Central Singapore, Singapore
Patent: 47
Guangdong Sheng, China
Patent: 37
Guangdong Sheng, China
Patent: 35
Jiangsu Sheng, China
Patent: 31
Shandong Sheng, China
Patent: 31
Beijing Shi, China
Patent: 29
Shandong Sheng, China
Patent: 27
Hunan Sheng, China
Patent: 20
Beijing Shi, China
Patent: 20
Jilin Sheng, China
Patent: 20
With the analysis among related 6,275 patents in last 5 years, we discover 265 new entrants. Weishi Technology Co., Ltd., Shenzhen Weishi Acoustics Co., Ltd., Guangdong Power Grid Co. Ltd. are the most active new entrants in this area.
Hunan Sheng, China
Patent: 20
Guangdong Sheng, China
Patent: 13
Guangdong Sheng, China
Patent: 10
Jiangsu Sheng, China
Patent: 9
Kanagawa-ken, Japan
Patent: 8
Jiangsu Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 7
Guangdong Sheng, China
Patent: 7
Guangdong Sheng, China
Patent: 7
Guangdong Sheng, China
Patent: 7
With the analysis among 2,269 patents, we discovered top 269 universities and scientific research institutions by total patent application. Nanjing University of Aeronautics & Astronautics, Harbin Institute of Technology, Xi'an Jiaotong University are dominant in this area. They take 4.50% of the total patent filing.
Jiangsu Sheng, China
Patent: 36
Heilongjiang Sheng, China
Patent: 36
Shaanxi Sheng, China
Patent: 26
Jiangsu Sheng, China
Patent: 26
Shanghai Shi, China
Patent: 25
Beijing Shi, China
Patent: 25
Jilin Sheng, China
Patent: 23
Beijing Shi, China
Patent: 23
Liaoning Sheng, China
Patent: 23
Beijing Shi, China
Patent: 22