YS

Yoshihiko Sumitani

SC Sumitomo Osaka Cement Co.: 2 patents #1 of 13Top 8%
Overall (2002): #34,060 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 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