7 Utility Patents
#25 in Yonezawa
#121,828 in Japan
#599,302 in the World
Forward Citations = 25
Company Filing History:
Tohoku Pioneer Corporation

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