33 Utility Patents
#53 in Tsukuba
#16,897 in Japan
#79,141 in the World
Forward Citations = 99
Company Filing History:
Sumitomo Chemical Company, Limited


4. 1 out of 1
New Energy and Industrial Technology Development Organization
5. 1 out of 1
Sumitomo Chemical Company, Limtied
where one patent can have more than one assignee
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