Inventor
OKUNO SUMIO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “OKUNO SUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
21 patentsUS5140913AAug 25, 1992
Railway car body structures
HITACHI LTD153 citations98
US5098007AMar 24, 1992
Method of manufacturing a vehicle body
HITACHI LTD68 citations94
US4966082AOct 30, 1990
Construction and a manufacturing method of underframe for a rolling stock
HITACHI LTD60 citations93
US6712007B2Mar 30, 2004
Railway car
HITACHI LTD35 citations92
US6582832B2Jun 24, 2003
Hollow-shaped material
HITACHI LTD23 citations92
US5199632AApr 6, 1993
Railway car body structures and methods of making them
HITACHI LTD35 citations92
US4542712ASep 24, 1985
Apparatus for molecular beam epitaxy
HITACHI LTD50 citations92
US5287814AFeb 22, 1994
Car body of railway rolling stock and method for fabricating car body
HITACHI LTD24 citations91
US5267515ADec 7, 1993
Vehicle body construction having longitudinally elongated extruded panels and continuous welds joining the panels
HITACHI LTD37 citations91
US5113769AMay 19, 1992
Car body for railway rolling stock and method for fabricating car body
HITACHI LTD26 citations90
US5439415AAug 8, 1995
Rolling stock ventilator and its control method
HITACHI LTD24 citations88
US4580522AApr 8, 1986
Rotary substrate holder of molecular beam epitaxy apparatus
HITACHI LTD20 citations82
US5109777AMay 5, 1992
Car body for railway rolling stock with joggled adjacent side sheet end construction for smooth exterior
HITACHI LTD21 citations79
US6886474B2May 3, 2005
Railway car
HITACHI LTD8 citations73
US4995321AFeb 26, 1991
Car body for railway rolling stock
HITACHI LTD7 citations72
US6871599B2Mar 29, 2005
Railway car
HITACHI LTD8 citations71
US4993329AFeb 19, 1991
Car body for railway rolling stock and method of fabricating the car body
HITACHI LTD18 citations70
US5188039AFeb 23, 1993
Method of fixing inside panel of car and structure for fixing the same
HITACHI LTD9 citations68
US6722285B2Apr 20, 2004
Railway car
HITACHI LTD6 citations62
US6550397B2Apr 22, 2003
Car body
HITACHI LTD5 citations61
US6394000B1May 28, 2002
Car body
HITACHI LTD6 citations61