Inventor · Hitachiota, JP

Hiroshi Suzuyama

10Patents
6h-index
11Co-inventors
55Inventor score

Filing activity: Jan 16, 1985 → Jul 28, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US5045968A Gas insulated switchgear with bus-section-unit circuit breaker and disconnect switches connected to external lead-out means connectable to other gas insulated switchgear Electricity 39 Expired
US4862319A Gas-insulated switchgear Electricity 24 Expired
US5453910A Gas insulated switchgear device Electricity 13 Expired
US5001599A Gas-insulated switchgear apparatus Electricity 11 Expired
US5177664A Gas insulated switchgear Electricity 9 Expired
US4888458A Apparatus for disconnecting a switch of a high voltage electric circuit Electricity 7 Expired
US4651255A Connecting system for gas-insulated switchgear apparatus Electricity 6 Expired
US5134542A 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 Electricity 4 Expired
US4577075A Earthing switch for gas-insulated switchgear apparatus Electricity 1 Expired
US5367432A Instrument current transformer for power cables Electricity 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.