Lim, Seong-Kyu

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 193
 
 
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8816858 Method and device for prevention loss of item and prompt search thereofMar 09, 11Aug 26, 14[G08B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8531061 Plug device for controlling connection with power sourceExpiredJun 24, 08Sep 10, 13[H02H]
7494236 Safety warning light emitter and safety umbrella using the sameExpiredMar 21, 06Feb 24, 09[A63B, A45B]

Top Inventors for This Owner

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