29 Utility Patents
#7 in Sapporo
#20,875 in Japan
#97,592 in the World
Forward Citations = 198
Company Filing History:

Sumitomo Osaka Cement Co., Ltd.
Trimatiz Limited
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#7 in Sapporo
#20,875 in Japan
#97,592 in the World
Company Filing History:

Get your Inventor Badge Today