17 Utility Patents
#346 in Kobe
#45,276 in Japan
#210,204 in the World
Forward Citations = 44
Company Filing History:


Nippon Tungsten Co., Ltd.
4. 2 out of 12
Kabushiki Kaisha Kawasaki Precision Machinery
5. 1 out of 902

where one patent can have more than one assignee
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