With the analysis among 1,000,027 patents, we discovered top 472 key players by total patent application. Mitsubishi Electric Engineering Co., Ltd., Panasonic Holdings Corp., Matsushita Electronics Corp. are dominant in this area. They take 5.71% of the total patent filing.
With the analysis among related 216,432 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Toyota Motor Corp., LG Electronics, Inc., Mitsubishi Electric Engineering Co., Ltd. take 3.52% of patent filing during this period.
With the analysis among related 216,432 patents in last 5 years, we discover 4 new entrants. Guangdong Power Grid Co. Ltd., Grow Solutions Tech LLC, AAC Acoustic Technologies (Shenzhen) Co., Ltd. are the most active new entrants in this area.
With the analysis among 39,973 patents, we discovered top 386 universities and scientific research institutions by total patent application. Railway Technical Research Institute, China University of Mining & Technology, Shandong University of Science & Technology are dominant in this area. They take 2.34% of the total patent filing.