YS

Yoshihiko Sumitani

SC Sumitomo Osaka Cement Co.: 3 patents #105 of 327Top 35%
Overall (All Time): #1,616,163 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6439140 Device and method for combustion of fuel Katsuji Mukai, Toshiyuki Ishinohachi 2002-08-27
6389998 Device and method for combustion of fuel Katsuji Mukai, Toshiyuki Ishinohachi 2002-05-21
6230635 Device and method for combustion of fuel Katsuji Mukai, Toshiyuki Ishinohachi 2001-05-15