With the analysis among 37 patents, we discovered top 19 key players by total patent application. Dreamwell Ltd., Rohm & Haas Co., Mattress Development Co. of Delaware LLC are dominant in this area. They take 40.54% of the total patent filing.
Nevada, United States
Patent: 7
Pennsylvania, United States
Patent: 5
Mattress Development Co. of Delaware LLC
Kurita Water Industries Ltd.
Rheinland-Pfalz, Germany
Patent: 1
Samsung Electro-Mechanics Co., Ltd.
Chungcheongnam-do, South Korea
Patent: 1
Sanyo Special Steel Co., Ltd.
Hyogo-ken, Japan
Patent: 1
Uchiyama Manufacturing Corp.
Okayama-ken, Japan
Patent: 1
Oklahoma, United States
Patent: 1
Gyeonggi-do, South Korea
Patent: 1
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