SI

Seiichi Ishikawa

HI Hitachi: 1 patents #1,533 of 3,950Top 40%
📍 Ibaraki, JP: #235 of 769 inventorsTop 35%
Overall (2002): #120,516 of 266,432Top 50%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6354763 Pumping plant Shizuichi Sakamoto, Tsuyoshi Yoshida, Saburou Maru, Stefan Emsmann, Hans P. Pitz 2002-03-12