With the analysis among 43 patents, we discovered top 21 key players by total patent application. Hefei Ruixue Chemical Technology Co., Ltd., Pilot Corp., Shanghai Baijin Pen Manufacturing Co. Ltd. are dominant in this area. They take 30.23% of the total patent filing.
Anhui Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 3
New York, United States
Patent: 3
Shandong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Connecticut, United States
Patent: 1
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With the analysis among related 15 patents applied in the last 5 years. We discover 6 most active companies in this area. The fast-growing Shanghai Baijin Pen Manufacturing Co. Ltd., Yantai Weihai Stationery Co., Ltd., Henan Polytechnic University take 40.00% of patent filing during this period.
Shanghai Shi, China
Patent: 3
Shandong Sheng, China
Patent: 2
Henan Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
With the analysis among related 15 patents in last 5 years, we discover 5 new entrants. Shanghai Baijin Pen Manufacturing Co. Ltd., Yantai Weihai Stationery Co., Ltd., Henan Polytechnic University are the most active new entrants in this area.
Shanghai Shi, China
Patent: 3
Shandong Sheng, China
Patent: 2
Henan Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
With the analysis among 4 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Henan Sheng, China
Patent: 1