With the analysis among 170 patents, we discovered top 54 key players by total patent application. ESTec Corp., Pioneer Corp., Kenwood are dominant in this area. They take 32.35% of the total patent filing.
Gyeongsangnam-do, South Korea
Patent: 21
Fukushima-ken, Japan
Patent: 18
Yamagata-ken, Japan
Patent: 12
Osaka-fu, Japan
Patent: 12
Hampshire, United Kingdom
Patent: 8
Chiba-ken, Japan
Patent: 4
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With the analysis among related 18 patents applied in the last 5 years. We discover 8 most active companies in this area. The fast-growing Proterial Ltd., ESTec Corp., Huizhou Difenni Acoustic Technology Co., Ltd. take 50.00% of patent filing during this period.
Chiba-ken, Japan
Patent: 4
Gyeongsangnam-do, South Korea
Patent: 3
Guangdong Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
With the analysis among related 18 patents in last 5 years, we discover 7 new entrants. Proterial Ltd., Huizhou Difenni Acoustic Technology Co., Ltd., Emsonic Corp. are the most active new entrants in this area.
Chiba-ken, Japan
Patent: 4
Guangdong Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
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