45 Utility Patents
#54 in Ibaraki
#9,602 in Japan
#46,565 in the World
Forward Citations = 472
Company Filing History:

Nippon Kokan Kabushiki Kaisha

4. 2 out of 3
Emori & Co., Ltd.
5. 2 out of 2
Nikka Chemical Ind. Co., Ltd
where one patent can have more than one assignee
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