Inventor · Incheon, KR

Hak-Ju Lee

115Patents
7h-index
89Co-inventors
77Inventor score

Filing activity: Sep 23, 2003 → May 8, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6776152B2 Range hood Mechanical Engineering; Lighting; Heating 69 Expired
US8230295B2 Apparatus and method for transmitting and receiving data in a communication system using low density parity check code Electricity 32 Active
US8271846B2 Method and apparatus for channel encoding and decoding in a communication system using low-density parity-check codes Electricity 25 Active
US8190981B2 Apparatus and method for transmitting and receiving data in a communication system using low density parity check codes Electricity 25 Active
US8495459B2 Channel-encoding/decoding apparatus and method using low-density parity-check codes Electricity 15 Active
US8321745B2 Apparatus and method for channel encoding and decoding in communication system using low-density parity-check codes Electricity 12 Active
US8300714B2 Apparatus and method for reducing peak to average power ratio in an orthogonal frequency division multiplexing system Electricity 11 Active
US8261152B2 Apparatus and method for channel encoding/decoding in communication system using variable-length LDPC codes Electricity 7 Active
US8286065B2 Method and apparatus for channel encoding and decoding in a communication system using low-density parity-check codes Electricity 7 Active
US9628589B2 Additional channels using preamble symbols Electricity 6 Active
US10873350B2 Device for receiving broadcast signal, device for transmitting broadcast signal, and method therefor Electricity 6 Active
US8707125B2 Method and apparatus for transmitting and receiving data in a communication system Electricity 6 Active
US8291282B2 Apparatus and method for encoding and decoding channel in a communication system using low-density parity-check codes Electricity 6 Active
US8804805B2 Digital broadcasting transmitter, digital broadcasting receiver, and method for composing and processing streams thereof Electricity 5 Active
US9459822B2 System and method of mobile printing using near field communication Electricity 5 Active
US9565044B2 Transmitting apparatus, receiving apparatus, and control methods thereof Electricity 5 Active
US8397109B2 Bit mapping/demapping method and apparatus for communication system Electricity 4 Active
US8165521B2 Apparatus and method for selecting relay mode of relay station in multihop relay broadband wireless communication system Electricity 4 Active
US10291367B2 Transmitting apparatus and receiving apparatus and controlling method thereof Electricity 4 Active
US9898231B2 System and method of mobile printing using near field communication Electricity 4 Active
US9489163B2 System and method to provide mobile printing using near field communication Electricity 4 Active
US9100671B2 Apparatus and method for supporting variable length of transport packet in video and audio communication system Electricity 4 Active
US10862633B2 Transmitting apparatus and receiving apparatus and controlling method thereof Electricity 3 Active
US8520267B2 Host apparatus and control method thereof, and image reading apparatus controlled by host apparatus Electricity 3 Active
US8615701B2 Apparatus and method for indicating a packet error in an audio and video communication system Electricity 3 Active

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