24 Utility Patents
#101 in Tsukuba
#27,963 in Japan
#129,654 in the World
Forward Citations = 112
Company Filing History:

Sumitomo Chemical Company, Limited

4. 4 out of 677

5. 3 out of 41
Seikagaku Kogyo Kabushiki Kaisha
where one patent can have more than one assignee
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