Inventor · Hitachi, JP

Junzo Kida

16Patents
7h-index
23Co-inventors
62Inventor score

Filing activity: Jul 15, 1993 → Dec 6, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US5825162A Electric power flow controller Emerging Cross-Sectional Technologies 23 Expired
US5467049A Solid-state switch Electricity 20 Expired
US6515247B1 Gas insulated switchgear Electricity 13 Expired
US5883774A Current limiter Electricity 12 Expired
US5726843A Current limiting circuit breaker Electricity 11 Expired
US5699219A Ground fault current limiter and method of limiting ground fault current Electricity 11 Expired
US6188034A Gas insulated switchgear with flange-spacer assembly Electricity 8 Expired
US6399911B1 Gas insulated switchgear apparatus Electricity 7 Expired
US6624370B1 Gas circuit breaker Electricity 7 Expired
US6219225A Gas insulated switch gear and method for assembling therefor Electricity 6 Expired
US7339132B2 Method of current interruption using puffer type gas circuit breaker with combined-action of cylinder and piston Electricity 5 Expired
US6067217A Current limiter Electricity 5 Expired
US6621030B2 Gas-insulated switchgear Electricity 5 Expired
US6278073A Gas insulated switching apparatus Electricity 3 Expired
US6664494B2 Current collector and gas circuit breaker Electricity 2 Expired
US6337452B1 Gas insulated switchgear with flange-spacer assembly Electricity 0 Expired

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