6 Utility Patents
#857 in Nagano
#139,490 in Japan
#695,270 in the World
Forward Citations = 46
Company Filing History:
Shinko Electric Industries Co., Ltd.
Japan Fine Ceramics Center
Nippon Tungsten Co., Ltd.
4. 1 out of 18

5. 1 out of 1
Trek Holding Co., Ltd.
where one patent can have more than one assignee
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