Inventor

KITAGAWA SEIHO

JP2 patents

Patents

2 patents

US5012622AMay 7, 1991

Structural filler filled steel tube column

SHIMIZU CONSTRUCTION CO LTD69 citations93

US5025605AJun 25, 1991

Meshwork reinforced and pre-stressed concrete member, method and apparatus for making same

SHIMIZU CONSTRUCTION CO LTD52 citations84