11 Utility Patents
#101 in Okayama
#76,412 in Japan
#358,837 in the World
Forward Citations = 43
Company Filing History:

Nishikawa Rubber Co., Ltd.

4. 1 out of 113
Nippon Steel Chemical & Material Co., Ltd.
5. 1 out of 385
where one patent can have more than one assignee
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