6 Utility Patents
#2,359 in Nagoya
#139,418 in Japan
#694,733 in the World
Forward Citations = 23
Company Filing History:
Sanwa Kagaku Kenkyusho Co., Ltd.

where one patent can have more than one assignee
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#2,359 in Nagoya
#139,418 in Japan
#694,733 in the World
Company Filing History:

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