With the analysis among 866 patents, we discovered top 418 key players by total patent application. Pentel Co., Ltd., Ricoh Co., Ltd., Sakura Color Products Corp. are dominant in this area. They take 10.51% of the total patent filing.
Tokyo-to, Japan
Patent: 39
Tokyo-to, Japan
Patent: 25
Osaka-fu, Japan
Patent: 25
Aichi-ken, Japan
Patent: 19
Zhejiang Sheng, China
Patent: 12
Zhejiang Sheng, China
Patent: 12
Tokyo-to, Japan
Patent: 10
Nagano-ken, Japan
Patent: 10
Tokyo-to, Japan
Patent: 10
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With the analysis among related 246 patents applied in the last 5 years. We discover 147 most active companies in this area. The fast-growing Zhejiang Zhongcai Stationery Manufacturing Co., Ltd., Wenzhou Wentai Pen Industry Co. Ltd., Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences take 10.16% of patent filing during this period.
Zhejiang Sheng, China
Patent: 12
Zhejiang Sheng, China
Patent: 9
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Patent: 4
Jiangxi Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 3
With the analysis among related 246 patents in last 5 years, we discover 129 new entrants. Zhejiang Zhongcai Stationery Manufacturing Co., Ltd., Yichun Changfei Stationery Co., Ltd., Guangzhou Pulin Biological Products Co., Ltd. are the most active new entrants in this area.
Zhejiang Sheng, China
Patent: 12
Jiangxi Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
With the analysis among 196 patents, we discovered top 74 universities and scientific research institutions by total patent application. Tianjin University, Zhejiang University, Dalian University are dominant in this area. They take 8.16% of the total patent filing.
Tianjin Shi, China
Patent: 5
Zhejiang Sheng, China
Patent: 4
Liaoning Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2