13 Utility Patents
#5,504 in Kanagawa
#63,483 in Japan
#297,277 in the World
Forward Citations = 13
Company Filing History:

Nippon Steel Chemical & Material Co., Ltd.
Tanaka Kikinzoku Kogyo K.k.
4. 2 out of 88
Nippon Steel & Sumikin Chemical Co., Ltd.
5. 1 out of 124

where one patent can have more than one assignee
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