With the analysis among 99 patents, we discovered top 46 key players by total patent application. Matsushita Electric Works Co. Ltd., YKK Architectural Products Co., Ltd., Fujisash Co., Ltd. are dominant in this area. They take 19.19% of the total patent filing.
Matsushita Electric Works Co. Ltd.
YKK Architectural Products Co., Ltd.
Kanagawa-ken, Japan
Patent: 4
Panasonic Homes Co., Ltd.
Sankyo Aluminum Industry Co., Ltd.
Toyama-ken, Japan
Patent: 3
Sekisui Chemical Co., Ltd.
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