YH

Youichi Hattori

HL Hitachi Shipbuilding & Engineering Company Limited: 1 patents #37 of 117Top 35%
📍 Suita, JP: #751 of 1,253 inventorsTop 60%
Overall (All Time): #4,029,521 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4431343 Leg clamping device for jack up platform Tomoyoshi Uchiyama, Kouki Koyanagi, Toshio Ohkoshi, Takaaki Ishihama, Kouji Toda 1984-02-14