HS

Hidetoshi Sakamoto

IC Ishikawajima-Harima Heavy Industries Co.: 1 patents #4 of 54Top 8%
TA Taisei: 1 patents #2 of 24Top 9%
Overall (2004): #208,392 of 270,089Top 80%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6698844 Earth discharging device for upward-facing shield machine Hiroyuki Itou, Yuuichi Asai, Osamu Takagi, Kazuo Takamizawa, Fumio Kondou 2004-03-02