27 Utility Patents
#4,819 in Tokyo
#23,155 in Japan
#107,845 in the World
Forward Citations = 250
Company Filing History:
Seikagaku Kogyo Kabushiki Kaisha (seikagaku Corporation)
Seikagaku Corporation
Seikagaku Kogyo Co. Ltd.
4. 3 out of 41
Seikagaku Kogyo Kabushiki Kaisha
5. 1 out of 1,098
Nippon Steel & Sumitomo Metal Corporation
where one patent can have more than one assignee
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