KH

Kazuhiko Hiromoto

SK Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
Overall (All Time): #2,231,015 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6296698 Cement admixture and cement composition Satoru Naramoto, Masahiro Hayashi 2001-10-02
5496532 Process for producing hydrogen peroxide Hiroyuki Monzen, Shuji Hirayama, Nobuyuki Kondo, Haruki Ishigami, Yoshimasa Ishimura 1996-03-05