With the analysis among 18 patents, we discovered top 18 key players by total patent application. Wenzhou Lidong Optical Manufacture Co. Ltd., Zhejiang Qicai Wooden Craft Co. Ltd., Ruian Dongda Spectacles Co. Ltd. are dominant in this area. They take 16.67% of the total patent filing.
Zhejiang Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Tianjin Shi, China
Patent: 1
Hunan Gumei Stainless Steel Products Co., Ltd.
Hunan Sheng, China
Patent: 1
Tianjin Shi, China
Patent: 1
Anhui Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
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With the analysis among related 5 patents applied in the last 5 years. We discover 1 most active companies in this area.
Jiangsu Sheng, China
Patent: 1
With the analysis among related 5 patents in last 5 years, we discover 1 new entrants.
Jiangsu Sheng, China
Patent: 1
With the analysis among 4 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Tianjin Shi, China
Patent: 1