16 Utility Patents
#2,537 in Osaka
#47,747 in Japan
#218,526 in the World
Forward Citations = 157
Company Filing History:
Sumitomo Chemical Company, Limited
K-plasheet Corporation
Kawasaki Steel Corporation
4. 1 out of 1
Kawasaki Steel Corporation Sumitomo Chemical Co., Ltd.
where one patent can have more than one assignee
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