With the analysis among 26 patents, we discovered top 17 key players by total patent application. Kyocera Corp., KDDI Corp., Yamaha Corp. are dominant in this area. They take 23.08% of the total patent filing.
Shizuoka-ken, Japan
Patent: 2
Aichi-ken, Japan
Patent: 2
Kanagawa-ken, Japan
Patent: 1
California, United States
Patent: 1
Tennessee, United States
Patent: 1
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With the analysis among related 4 patents applied in the last 5 years. We discover 1 most active companies in this area.
Hiroshima-ken, Japan
Patent: 1
With the analysis among related 4 patents in last 5 years, we discover 1 new entrants.
Hiroshima-ken, Japan
Patent: 1
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