With the analysis among 692 patents, we discovered top 325 key players by total patent application. ISHIZUKA GLASS CO., LTD., Fujinon, Inc., PENTAX Corp. are dominant in this area. They take 11.99% of the total patent filing.
Aichi-ken, Japan
Patent: 45
New Jersey, United States
Patent: 21
Tokyo-to, Japan
Patent: 17
Bath and North East Somerset, United Kingdom
Patent: 11
New York, United States
Patent: 11
Anhui Sheng, China
Patent: 11
Texas, United States
Patent: 11
Tokyo-to, Japan
Patent: 10
Nordrhein-Westfalen, Germany
Patent: 9
Nordrhein-Westfalen, Germany
Patent: 9
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With the analysis among related 64 patents applied in the last 5 years. We discover 42 most active companies in this area. The fast-growing HÜTTENES-ALBERTUS Chemische Werke GmbH, Tammiston Puu Oy, Luyang Energy-Saving Materials Co., Ltd. take 14.06% of patent filing during this period.
Nordrhein-Westfalen, Germany
Patent: 4
Shandong Sheng, China
Patent: 2
Otsuka Technology Co., Ltd
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Patent: 2
New York, United States
Patent: 2
Beijing Shi, China
Patent: 2
Rheinland-Pfalz, Germany
Patent: 2
Zhejiang Sheng, China
Patent: 1
With the analysis among related 64 patents in last 5 years, we discover 33 new entrants. Tammiston Puu Oy, Luyang Energy-Saving Materials Co., Ltd., Otsuka Technology Co., Ltd are the most active new entrants in this area.
Shandong Sheng, China
Patent: 2
Otsuka Technology Co., Ltd
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Patent: 2
New York, United States
Patent: 2
Rheinland-Pfalz, Germany
Patent: 2
Zhejiang Sheng, China
Patent: 1
Shanxi Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Hebei Sheng, China
Patent: 1
With the analysis among 123 patents, we discovered top 54 universities and scientific research institutions by total patent application. East China University of Science & Technology, Hohai University, Tongji University are dominant in this area. They take 9.76% of the total patent filing.
Shanghai Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 3
Hubei Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 2
Guangxi Zhuangzu Zizhiqu, China
Patent: 2
Yunnan Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Heilongjiang Sheng, China
Patent: 2
Jilin Sheng, China
Patent: 1