56 Utility Patents
#1 in Shimonoseki
#6,072 in Japan
#30,663 in the World
Forward Citations = 535
Company Filing History:



4. 2 out of 88
Nippon Steel & Sumikin Chemical Co., Ltd.
5. 2 out of 173
Nippon Steel Chemical Co., Ltd.
where one patent can have more than one assignee
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