5 Utility and 2 Design Patents
#28,683 in Tokyo
#161,815 in Japan
#819,042 in the World
rank by utility patentsForward Citations = 68
Company Filing History:
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Ykk Ap Inc.
4. 1 out of 2,610

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#28,683 in Tokyo
#161,815 in Japan
#819,042 in the World
rank by utility patentsCompany Filing History:


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