23 Utility Patents
#105 in Utsunomiya
#29,873 in Japan
#138,438 in the World
Forward Citations = 56
Company Filing History:


Nittetsu Mining Co., Ltd.
where one patent can have more than one assignee
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#105 in Utsunomiya
#29,873 in Japan
#138,438 in the World
Company Filing History:


Get your Inventor Badge Today