17 Utility Patents
#8,887 in Tokyo
#45,417 in Japan
#211,353 in the World
Forward Citations = 12
Company Filing History:
Sumitomo Chemical Company, Limited


4. 2 out of 101
Kanto Kagaku Kabushiki Kaisha
5. 1 out of 61
Jxtg Nippon Oil & Energy Corporation
where one patent can have more than one assignee
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