With the analysis among 498 patents, we discovered top 119 key players by total patent application. Matsushita Electronics Corp., SANYO Electric Co., Ltd., Hitachi Ltd. are dominant in this area. They take 14.06% of the total patent filing.
Osaka-fu, Japan
Patent: 40
California, United States
Patent: 17
Tokyo-to, Japan
Patent: 13
Toyama-ken, Japan
Patent: 12
Tokyo-to, Japan
Patent: 10
Tokyo-to, Japan
Patent: 10
California, United States
Patent: 9
Noord-Holland, Netherlands
Patent: 8
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 3 patents applied in the last 5 years. We discover 1 most active companies in this area.
Toyama-ken, Japan
Patent: 1
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