13 Utility and 1 Design Patents
#12,216 in Tokyo
#63,510 in Japan
#297,766 in the World
rank by utility patentsForward Citations = 247
Company Filing History:
Sumitomo Osaka Cement Co., Ltd.
Dsg International Limited

4. 1 out of 832,680 patents
Other
5. 1 out of 548

where one patent can have more than one assignee
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