10 Utility Patents
#4,911 in Yokohama
#85,391 in Japan
#405,750 in the World
Forward Citations = 133
Company Filing History:


Sumitomo Chemical Company, Limited
4. 1 out of 196
Doryokuro Kakunenryo Kaihatsu Jigyodan
5. 1 out of 2,916

where one patent can have more than one assignee
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