9 Utility Patents
#244 in Toyama 939-0643
#95,491 in Japan
#457,239 in the World
Forward Citations = 63
Company Filing History:
Tokyo Tungsten Co., Ltd.


where one patent can have more than one assignee
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#244 in Toyama 939-0643
#95,491 in Japan
#457,239 in the World
Company Filing History:


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