Inventor

Changhwan Park

Inventor

Seoul, KR

Overview

2008–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 28 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Wprimary

H04WWireless communication networks35%

H04LTransmission of digital information, e.g. telegraphic communication29%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use11%

H04BTransmission9%

H04JMultiplex communication8%

H04MTelephonic communication3%

A01KAnimal husbandry2%

H01QAntennas, i.e. radio aerials2%

H04NPictorial communication, e.g. television2%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers2%

PatentTitleYear

11,012,223Method and apparatus for transmitting and receiving radio signals in a wireless communication system2021 11,012,207Method and device for transmitting tracking reference signal2021 11,012,992Method for transmitting and receiving downlink signals between terminal and base station in wireless communication system supporting unlicensed band, and device supporting same2021 11,012,221Method and apparatus for transmitting and receiving radio signals in a wireless communication system2021 10,999,821Method and device for transmitting OFDM signal, and method and device for receiving OFDM signal2021 10,986,597Method for transmitting/receiving synchronization signal in wireless communication system and apparatus therefor2021 10,980,055Method for transmitting signal in wireless communication system supporting unlicensed band, and device supporting same2021 10,972,887Method for transceiving signal by terminal and base station in wireless communication system and device supporting same2021 10,973,047Method and apparatus for supporting variable bandwidth2021 10,965,430Method for transmitting HARQ ACK/NACK signal in NB IoT2021 10,965,510Method for receiving NRS and NB-IoT device thereof2021 10,966,228Method and device for transmitting and receiving uplink signal between user equipment and base station in wireless communication system2021 10,952,251Method for performing random access procedure by terminal in wireless communication system supporting unlicensed band and terminal for performing same2021 10,939,270Method for transceiving signal by terminal and base station in wireless communication system and device supporting same2021 10,939,271Method and NB-IOT device for receiving downlink physical channel on TDD special subframe2021 10,939,385Uplink transmission power control method and device using same2021 10,932,239Uplink data transmission method in wireless communication system supporting non-licensed band and device supporting same2021 10,925,021Method for transmitting/receiving synchronization signal in wireless communication system and apparatus therefor2021 10,917,205Method and device for transmitting or receiving signal by using carrier aggregation in wireless communication system2021 10,912,050Operation method of terminal and base station in wireless communication system supporting unlicensed band, and apparatus supporting same2021 10,911,097Method and device for transmitting and receiving physical uplink control channel between user equipment and base station in wireless communication system2021 10,904,861Method and wireless device for receiving paging message2021 10,893,535Method for transmitting and receiving uplink signal between terminal and base station in wireless communication system for supporting unlicensed band, and apparatus for supporting same2021 10,887,872Method and apparatus for transmitting and receiving multi-slot based long PUCCHs in a wireless communication system2021 8,280,095'Mobile apparatus including speaker in sealed sound space, and method of assembling the mobile apparatus'2012 8,190,219'Sliding-tilt unit and mobile device using the same'2012 7,429,956'Antenna'2008 7,385,647'Housing cover for image photographing apparatus'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2012Patents assigned to SAMSUNG ELECTRONICS CO LTD (4)· patent assignee history

2008–2012Based in Suwon-si, KR· patent location history

2012Patents assigned to KIM BOO-SANG (2)· patent assignee history

2012Patents assigned to PARK CHEUL-HAE (2)· patent assignee history

2012Patents assigned to KIM JEONG GOO (1)· patent assignee history

2021Patents assigned to LG ELECTRONICS INC (23)· patent assignee history

2021Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LG ELECTRONICS INC	23	2021
SAMSUNG ELECTRONICS CO LTD	4	2008–2012
KIM BOO-SANG	2	2012
PARK CHEUL-HAEself	2	2012
KIM JEONG GOO	1	2012

Locations

Location	Patents	Span
Seoul, KR	24	2021
Suwon-si, KR	4	2008–2012