Inventor
SAKAGUCHI MINORU
JP16 patents
⚠️ This page may combine multiple inventors who share the name “SAKAGUCHI MINORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS4967307AOct 30, 1990
Gas insulated switchgear apparatus
HITACHI LTD53 citations95
US5177664AJan 5, 1993
Gas insulated switchgear
HITACHI LTD24 citations92
US5001599AMar 19, 1991
Gas-insulated switchgear apparatus
HITACHI LTD22 citations91
US5045968ASep 3, 1991
Gas insulated switchgear with bus-section-unit circuit breaker and disconnect switches connected to external lead-out means connectable to other gas insulated switchgear
HITACHI LTD52 citations90
US4862319AAug 29, 1989
Gas-insulated switchgear
HITACHI LTD27 citations90
US5453910ASep 26, 1995
Gas insulated switchgear device
HITACHI LTD22 citations89
US4215256AJul 29, 1980
Gas-insulated switchgear apparatus
HITACHI LTD20 citations81
US4651255AMar 17, 1987
Connecting system for gas-insulated switchgear apparatus
HITACHI LTD8 citations73
US6268562B1Jul 31, 2001
Sealed container and method for assembling it
HITACHI LTD11 citations72
US4888458ADec 19, 1989
Apparatus for disconnecting a switch of a high voltage electric circuit
HITACHI LTD17 citations72
US5134542AJul 28, 1992
Three-phase package-type gas-insulated switch gear having isolators being aligned in a first plane and earthing switches disposed laterally side by side on a second plane
HITACHI LTD10 citations71
US4458099AJul 3, 1984
Three-phase combined type gas insulated electrical apparatus
HITACHI LTD7 citations68
US5670767ASep 23, 1997
Gas-insulated switchgear with improved insulation joint
HITACHI LTD10 citations67
US4577075AMar 18, 1986
Earthing switch for gas-insulated switchgear apparatus
HITACHI LTD2 citations61