Inventor · Cheongju-si, KR

Hong Ik Yang

20Patents
5h-index
11Co-inventors
62Inventor score

Filing activity: Oct 11, 2007 → Nov 25, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US8604368B2 Circuit breaker having cradle with a shutter safety device Electricity 13 Active
US9825439B2 Withdrawable interlock device of vacuum circuit breaker Electricity 11 Active
US10211609B2 Transportation device of withdrawable circuit breaker Electricity 7 Active
US7397008B2 Switching mechanism for air circuit breaker Electricity 6 Active
US7977595B2 Automatic discharging apparatus for closing spring in air circuit breaker and air circuit breaker having the same Electricity 6 Active
US7973622B2 Apparatus for auxiliary contact of circuit breaker Electricity 5 Active
US9425590B2 Withdrawable-type circuit breaker Electricity 4 Active
US8575502B2 Plug interlock device for circuit breaker and circuit breaker having the same Electricity 4 Active
US8119942B2 Circuit breaker having delaying function for rotation of cam Electricity 2 Active
US10153625B2 Interlock device for preventing close during insertion or withdraw on circuit breaker in switch board Electricity 2 Active
US8648271B2 Position switch and circuit breaker having the same Electricity 2 Active
US9070521B2 Circuit breaker Electricity 1 Active
US10389093B2 Interlocking mechanism for circuit breaker Electricity 1 Active
US10614981B2 Pole component assembly for circuit breaker Electricity 1 Active
US11764020B2 Pole component and circuit breaker comprising same Electricity 0 Active
US12288966B2 Bogie apparatus and circuit breaker comprising same Electricity 0 Active
US11476646B2 Retracting and extending apparatus for circuit breaker with interlock module Electricity 0 Active
US8975546B2 Circuit breaker provided with mechanical trip mechanism Electricity 0 Active
US11804698B2 Switchboard having rotating shutter structure Electricity 0 Active
US12087534B2 Circuit breaker with manual energy-accumulating unit gears intitally separated from one another Electricity 0 Active

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