With the analysis among 13,033 patents, we discovered top 426 key players by total patent application. SANYO Electric Co., Ltd., Panasonic Holdings Corp., Matsushita Electronics Corp. are dominant in this area. They take 17.06% of the total patent filing.
With the analysis among related 4,364 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Toyota Motor Corp., Xi'an Jiaotong University, China Petroleum & Chemical Corp. take 3.12% of patent filing during this period.
With the analysis among related 4,364 patents in last 5 years, we discover 268 new entrants. Youon Technology Co., Ltd., Weichai Power Co., Ltd., National Institute of Clean & Low Carbon Energy are the most active new entrants in this area.
With the analysis among 3,528 patents, we discovered top 320 universities and scientific research institutions by total patent application. Zhejiang University, Korea Advanced Institute of Science & Technology, Nankai University are dominant in this area. They take 7.96% of the total patent filing.