4 Utility Patents
#224 in Takarazuka
#193,190 in Japan
Forward Citations = 178
Company Filing History:


Sumitomo Gomu Kogyo Kabushiki Kaisha
where one patent can have more than one assignee
Get your Inventor Badge Today
#224 in Takarazuka
#193,190 in Japan
Company Filing History:


Get your Inventor Badge Today