Inventor
HASHIURA MASAYOSHI
JP4 patents
Patents
4 patentsUS5601735AFeb 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
US4527043AJul 2, 1985
Laser machining system
HITACHI LTD16 citations67