With the analysis among 665 patents, we discovered top 110 key players by total patent application. Nippon Telegraph & Telephone Corp., Sumitomo Electric Industries Ltd., Central Glass Co., Ltd. are dominant in this area. They take 36.84% of the total patent filing.
Nippon Telegraph & Telephone Corp.
Tokyo-to, Japan
Patent: 134
Sumitomo Electric Industries Ltd.
Osaka-fu, Japan
Patent: 62
Tokyo-to, Japan
Patent: 49
Kokusai Denshin Denwa Co., Ltd. (KDD)
British Telecommunications Plc
Furukawa Electric Co., Ltd.
Tokyo-to, Japan
Patent: 22
Tokyo-to, Japan
Patent: 19
Tokyo-to, Japan
Patent: 19
Noord-Holland, Netherlands
Patent: 16
No data, please try another search term
With the analysis among related 24 patents applied in the last 5 years. We discover 15 most active companies in this area. The fast-growing Shanghai Institute of Optics & Fine Mechanics, Harbin Engineering University, Shanghai Yupin Communication Technology Co. Ltd. take 45.83% of patent filing during this period.
Shanghai Institute of Optics & Fine Mechanics
Shanghai Shi, China
Patent: 6
Harbin Engineering University
Heilongjiang Sheng, China
Patent: 3
Shanghai Yupin Communication Technology Co. Ltd.
Shanghai Shi, China
Patent: 2
The 46th Research Institute of China Electronics Technology Corporation
undefined undefined
Patent: 2
AGH University of Science & Technology
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 1
Podlaskie, Poland
Patent: 1
California, United States
Patent: 1
Fujian Timos Photoelectric Technology Co., Ltd.
Fujian Sheng, China
Patent: 1
Heraeus Quarzglas GmbH & Co. KG
With the analysis among related 24 patents in last 5 years, we discover 11 new entrants. Harbin Engineering University, Shanghai Yupin Communication Technology Co. Ltd., The 46th Research Institute of China Electronics Technology Corporation are the most active new entrants in this area.
Harbin Engineering University
Heilongjiang Sheng, China
Patent: 3
Shanghai Yupin Communication Technology Co. Ltd.
Shanghai Shi, China
Patent: 2
The 46th Research Institute of China Electronics Technology Corporation
undefined undefined
Patent: 2
AGH University of Science & Technology
Beijing University of Technology
Beijing Shi, China
Patent: 1
Daqing Anweite Technology Co., Ltd.
Heilongjiang Sheng, China
Patent: 1
Podlaskie, Poland
Patent: 1
Yingkou Zhongen Photoelectric Technology Co., Ltd.
Liaoning Sheng, China
Patent: 1
Fujian Timos Photoelectric Technology Co., Ltd.
Fujian Sheng, China
Patent: 1
Inner Mongolia University of Science & Technology
Nei Mongol Zizhiqu, China
Patent: 1
With the analysis among 81 patents, we discovered top 20 universities and scientific research institutions by total patent application. Shanghai Institute of Optics & Fine Mechanics, Xi'an Institute of Optics & Precision Mechanics of Cas, Harbin Engineering University are dominant in this area. They take 37.04% of the total patent filing.
Shanghai Institute of Optics & Fine Mechanics
Shanghai Shi, China
Patent: 15
Xi'an Institute of Optics & Precision Mechanics of Cas
Harbin Engineering University
Heilongjiang Sheng, China
Patent: 3
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Rutgers State University of New Jersey
New Mexico, United States
Patent: 1
Miyagi-ken, Japan
Patent: 1