EK

Eiichi Kojima

HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
SH Showa: 1 patents #167 of 337Top 50%
Overall (All Time): #2,197,326 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6503068 Variable capacity type pump Chaojiu Wang, Kiyoshi Ando 2003-01-07
6116872 Ripple reducing device Seiichiro Takeshita 2000-09-12