12 Utility Patents
#320 in Hiroshima, 729-3431
#69,890 in Japan
#328,363 in the World
Forward Citations = 61
Company Filing History:
Other
Nishikawa Rubber Co., Ltd.

where one patent can have more than one assignee
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#320 in Hiroshima, 729-3431
#69,890 in Japan
#328,363 in the World
Company Filing History:

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