10 Utility Patents
#16,005 in Tokyo
#85,301 in Japan
#404,920 in the World
Forward Citations = 41
Company Filing History:



4. 1 out of 3
Nippon Kokan K.k.
where one patent can have more than one assignee
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#16,005 in Tokyo
#85,301 in Japan
#404,920 in the World
Company Filing History:



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