9 Utility Patents
#17,827 in Tokyo
#95,491 in Japan
#457,239 in the World
Forward Citations = 46
Company Filing History:
Chemical Grouting Company, Ltd.


4. 1 out of 2
Sumitomo Cement Kabushiki Kaisha
5. 1 out of 1
Shoei Yakuhin Kabushiki Kaisha
where one patent can have more than one assignee
Get your Inventor Badge Today