With the analysis among 29,256 patents, we discovered top 485 key players by total patent application. Matsushita Electronics Corp., Noritz Corp., Mitsubishi Electric Corp. are dominant in this area. They take 23.78% of the total patent filing.
Osaka-fu, Japan
Patent: 3,458
Kyoto-fu, Japan
Patent: 1,876
Tokyo-to, Japan
Patent: 1,622
Aichi-ken, Japan
Patent: 1,201
Fukuoka-ken, Japan
Patent: 923
Osaka-fu, Japan
Patent: 660
Kanagawa-ken, Japan
Patent: 641
Niigata-ken, Japan
Patent: 576
California, United States
Patent: 535
Osaka-fu, Japan
Patent: 531
With the analysis among 69 patents, we discovered top 9 start-ups by total patent application. Aisin KK, Apex, Sakae Co. Ltd. are active in this area.
Tokyo-to, Japan
Patent: 54
Utah, United States
Patent: 8
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Henan Sheng, China
Patent: 1
With the analysis among related 4,888 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Noritz Corp., Mitsubishi Electric Corp., Rinnai Corp. take 12.64% of patent filing during this period.
Kyoto-fu, Japan
Patent: 312
Tokyo-to, Japan
Patent: 200
Aichi-ken, Japan
Patent: 106
Guangdong Sheng, China
Patent: 55
Niigata-ken, Japan
Patent: 50
Fukuoka-ken, Japan
Patent: 48
Osaka-fu, Japan
Patent: 38
Shandong Sheng, China
Patent: 36
With the analysis among related 4,888 patents in last 5 years, we discover 330 new entrants. Takagi Co., Ltd., Vatti Corp. Ltd., Hefei Zhongke Shunchang Waste Heat Utilization Technology Co., Ltd. are the most active new entrants in this area.
Tokyo-to, Japan
Patent: 12
Guangdong Sheng, China
Patent: 12
Anhui Sheng, China
Patent: 11
Guangxi Zhuangzu Zizhiqu, China
Patent: 10
Tokyo-to, Japan
Patent: 10
Guangdong Sheng, China
Patent: 9
Beijing Shi, China
Patent: 9
Emilia-Romagna, Italy
Patent: 8
Beijing Shi, China
Patent: 7
With the analysis among 1,278 patents, we discovered top 230 universities and scientific research institutions by total patent application. Tsinghua University, Tianjin University of Commerce, Tianjin University are dominant in this area. They take 8.53% of the total patent filing.
Beijing Shi, China
Patent: 25
Tianjin Shi, China
Patent: 25
Tianjin Shi, China
Patent: 24
Yunnan Sheng, China
Patent: 22
Shanghai Shi, China
Patent: 19
Jiangsu Sheng, China
Patent: 19
Beijing Shi, China
Patent: 15
Chongqing Shi, China
Patent: 14
Tianjin Shi, China
Patent: 13
Shanghai Shi, China
Patent: 11