26 Utility Patents
#28 in Kawagoe
#24,794 in Japan
#115,060 in the World
Forward Citations = 504
Company Filing History:
Wako Pure Chemical Industries, Inc.


4. 1 out of 6,882
Sumitomo Chemical Company, Limited
5. 1 out of 115
Matsushita Electrical Industrial Co., Ltd.
where one patent can have more than one assignee
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