With the analysis among 15,960 patents, we discovered top 474 key players by total patent application. Panasonic Holdings Corp., Matsushita Electronics Corp., Fujitsu Ltd. are dominant in this area. They take 11.17% of the total patent filing.
With the analysis among related 2,383 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Sumitomo Electric, Sumitomo Electric Industries Ltd., Mitsubishi Electric Engineering Co., Ltd. take 5.79% of patent filing during this period.
With the analysis among 503 patents, we discovered top 128 universities and scientific research institutions by total patent application. Shandong University, Zhejiang University, Korea Advanced Institute of Science & Technology are dominant in this area. They take 17.69% of the total patent filing.