P

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 patents
US4967307AOct 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

JAPAN RADIO CO LTD

1 patent

KANEBO LTD

1 patent