With the analysis among 124 patents, we discovered top 66 key players by total patent application. Nippon Piston Ring Co., Ltd., Teikoku Piston Ring Co., Ltd., Varian Semiconductor Equipment Associates, Inc. are dominant in this area. They take 23.39% of the total patent filing.
Saitama-ken, Japan
Patent: 11
Tokyo-to, Japan
Patent: 10
Massachusetts, United States
Patent: 8
California, United States
Patent: 6
Tennessee, United States
Patent: 6
California, United States
Patent: 5
Massachusetts, United States
Patent: 4
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With the analysis among related 61 patents applied in the last 5 years. We discover 35 most active companies in this area. The fast-growing Teikoku Piston Ring Co., Ltd., FEI, Inc., Sumitomo Electric Hardmetal Ltd. take 34.43% of patent filing during this period.
Tokyo-to, Japan
Patent: 10
Tennessee, United States
Patent: 6
Heilongjiang Sheng, China
Patent: 2
California, United States
Patent: 2
Anhui Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
With the analysis among related 61 patents in last 5 years, we discover 32 new entrants. Teikoku Piston Ring Co., Ltd., FEI, Inc., Sumitomo Electric Hardmetal Ltd. are the most active new entrants in this area.
Tokyo-to, Japan
Patent: 10
Tennessee, United States
Patent: 6
Heilongjiang Sheng, China
Patent: 2
California, United States
Patent: 2
Anhui Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
With the analysis among 39 patents, we discovered top 17 universities and scientific research institutions by total patent application. California Institute of Technology, University of Science & Technology Beijing, XinYu University are dominant in this area. They take 25.64% of the total patent filing.
California, United States
Patent: 6
Beijing Shi, China
Patent: 2
Jiangxi Sheng, China
Patent: 2
Heilongjiang Sheng, China
Patent: 2
Pennsylvania, United States
Patent: 1
Beijing Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Taiwan Province, China
Patent: 1