Inventor
MURASHITA MASAKI
JP5 patents
Patents
5 patentsUS5628449AMay 13, 1997
Method of welding a carbon steel and an austenitic stainless steel together and resultant structure
HITACHI LTD37 citations91
US5601735AFeb 11, 1997
Long-sized tubular grounding container unit for gas-insulated electrical device and laser welding device for manufacturing the same
HITACHI LTD28 citations91
US5498849AMar 12, 1996
Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor
HITACHI LTD23 citations91
US5444206AAug 22, 1995
Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor
HITACHI LTD34 citations91
US4263491AApr 21, 1981
Method for checking electric contacts of an enclosed-type switching device and an auxiliary apparatus for use with the switching device to use the method
HITACHI LTD4 citations62