With the analysis among 112 patents, we discovered top 43 key players by total patent application. Sumitomo Electric Industries Ltd., AXT, Inc., Beijing Tongmei Xtal Technology are dominant in this area. They take 43.75% of the total patent filing.
Osaka-fu, Japan
Patent: 22
California, United States
Patent: 19
Beijing Shi, China
Patent: 8
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With the analysis among related 17 patents applied in the last 5 years. We discover 5 most active companies in this area. The fast-growing AXT, Inc., Beijing Tongmei Xtal Technology, Sumitomo Electric Industries Ltd. take 123.53% of patent filing during this period.
California, United States
Patent: 9
Beijing Shi, China
Patent: 6
Aichi-ken, Japan
Patent: 1
Kanagawa-ken, Japan
Patent: 1
With the analysis among related 17 patents in last 5 years, we discover 2 new entrants.
Aichi-ken, Japan
Patent: 1
Kanagawa-ken, Japan
Patent: 1
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