23 Utility Patents
#1,594 in Osaka
#29,905 in Japan
#138,677 in the World
Forward Citations = 108
Company Filing History:
Sumitomo Chemical Company, Limited
Dongwoo Fine-chem Co., Ltd.

4. 3 out of 2,467

5. 2 out of 832,627 patents
Other
where one patent can have more than one assignee
Get your Inventor Badge Today