With the analysis among 761 patents, we discovered top 194 key players by total patent application. Kobe Steel, Ltd., Kiswel Ltd., Ushio KK are dominant in this area. They take 26.81% of the total patent filing.
Kyoto-fu, Japan
Patent: 126
Shimane-ken, Japan
Patent: 34
Tokyo-to, Japan
Patent: 30
Shanghai Shi, China
Patent: 29
Tokyo-to, Japan
Patent: 22
Illinois, United States
Patent: 20
Tokyo-to, Japan
Patent: 20
Noord-Holland, Netherlands
Patent: 19
Osaka-fu, Japan
Patent: 17
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With the analysis among related 115 patents applied in the last 5 years. We discover 67 most active companies in this area. The fast-growing Kobe Steel, Ltd., Kawasaki Heavy Industries Co., Ltd., Nippon Steel Welding & Engineering Co., Ltd. take 31.30% of patent filing during this period.
Kyoto-fu, Japan
Patent: 24
Jiangsu Sheng, China
Patent: 6
Hebei Sheng, China
Patent: 4
Jiangxi Sheng, China
Patent: 3
Heilongjiang Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
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Patent: 2
Shanghai Shi, China
Patent: 2
With the analysis among related 115 patents in last 5 years, we discover 46 new entrants. Panasonic Welding Systems (Tangshan) Co., Ltd., Nanchang University, Foshan National Defense Science and Technology Industrial Technology Achievements Industrialization Application Promotion Center are the most active new entrants in this area.
Hebei Sheng, China
Patent: 4
Jiangxi Sheng, China
Patent: 3
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Patent: 2
Jiangxi Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
With the analysis among 93 patents, we discovered top 31 universities and scientific research institutions by total patent application. Shandong University, Beijing University of Technology, Xi'an University of Technology are dominant in this area. They take 18.28% of the total patent filing.
Shandong Sheng, China
Patent: 6
Beijing Shi, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Jiangxi Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Shandong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangxi Sheng, China
Patent: 2