With the analysis among 50 patents, we discovered top 22 key players by total patent application. HASEKO Corp., Aiphone Co., Ltd., Matsushita Electronics Corp. are dominant in this area. They take 30.00% of the total patent filing.
Chiba-ken, Japan
Patent: 5
Aichi-ken, Japan
Patent: 5
Mitsubishi Heavy Industries, Ltd.
Toyama-ken, Japan
Patent: 1
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With the analysis among related 2 patents applied in the last 5 years. We discover 1 most active companies in this area.
D&B Architects & Associates Co., Ltd.
With the analysis among related 2 patents in last 5 years, we discover 1 new entrants.
D&B Architects & Associates Co., Ltd.
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