With the analysis among 48,281 patents, we discovered top 484 key players by total patent application. Gree Electric Appliances, Inc. of Zhuhai, Matsushita Electronics Corp., Hitachi Ltd. are dominant in this area. They take 3.31% of the total patent filing.
Guangdong Sheng, China
Patent: 639
Osaka-fu, Japan
Patent: 555
Tokyo-to, Japan
Patent: 406
Tokyo-to, Japan
Patent: 385
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 375
Guangdong Sheng, China
Patent: 339
Shandong Sheng, China
Patent: 331
Tokyo-to, Japan
Patent: 212
Osaka-fu, Japan
Patent: 209
Tokyo-to, Japan
Patent: 202
With the analysis among 79 patents, we discovered top 26 start-ups by total patent application. Aisin KK, Encapsys LLC, NEW, Inc. are active in this area.
Tokyo-to, Japan
Patent: 41
Wisconsin, United States
Patent: 4
District of Columbia, United States
Patent: 4
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
New York, United States
Patent: 2
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
With the analysis among related 21,638 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Gree Electric Appliances, Inc. of Zhuhai, Haier Smart Home Co., Ltd., Midea Group Co. Ltd. take 5.19% of patent filing during this period.
Guangdong Sheng, China
Patent: 587
Shandong Sheng, China
Patent: 314
Guangdong Sheng, China
Patent: 222
Shandong Sheng, China
Patent: 175
Guangdong Sheng, China
Patent: 157
Shandong Sheng, China
Patent: 137
Guangdong Sheng, China
Patent: 101
Zhejiang Sheng, China
Patent: 101
Shandong Sheng, China
Patent: 92
Shaanxi Sheng, China
Patent: 86
With the analysis among related 21,638 patents in last 5 years, we discover 204 new entrants. Ningbo Aux Electric Co. Ltd., Qingdao Hisense Hitachi Air Conditioning Systems Co. Ltd., Guangzhou Automobile Group Co., Ltd. are the most active new entrants in this area.
Zhejiang Sheng, China
Patent: 62
Shandong Sheng, China
Patent: 34
Guangdong Sheng, China
Patent: 24
Anhui Sheng, China
Patent: 22
Chongqing Shi, China
Patent: 21
Shandong Sheng, China
Patent: 17
Guangdong Sheng, China
Patent: 17
Guangdong Sheng, China
Patent: 16
Minnesota, United States
Patent: 16
Guangdong Sheng, China
Patent: 16
With the analysis among 5,474 patents, we discovered top 248 universities and scientific research institutions by total patent application. Xi'an Jiaotong University, Tianjin University, Tsinghua University are dominant in this area. They take 6.23% of the total patent filing.
Shaanxi Sheng, China
Patent: 138
Tianjin Shi, China
Patent: 108
Beijing Shi, China
Patent: 95
Zhejiang Sheng, China
Patent: 94
Beijing Shi, China
Patent: 89
Yunnan Sheng, China
Patent: 73
Guangdong Sheng, China
Patent: 67
Jiangsu Sheng, China
Patent: 63
Jilin Sheng, China
Patent: 62
Zhejiang Sheng, China
Patent: 58