Inventor
Jung Hwan Hwang
Inventor
Daejeon, KR
Overview
Patents· 54 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission27%
H04LTransmission of digital information, e.g. telegraphic communication8%
H04JMultiplex communication7%
H01LSemiconductor devices6%
A61BDiagnosis5%
G06FElectric digital data processing5%
H10HInorganic light-emitting semiconductor devices having potential barriers5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
G09GArrangements or circuits for control of indicating devices using static means to present variable information3%
H04WWireless communication networks3%
PatentTitleYear
10,695,390Composition for treating or preventing liver diseases, containing sicyos angulatus extract as active ingredient202010,578,940Display device202010,467,946Display panel201910,374,123UV light emitting device20199,987,187Apparatus and method for controlling smart wear20189,911,898'Ultraviolet light-emitting device'20189,841,470'Triaxial coil sensor and magnetic field measuring device including the same'20179,780,177'Thin film transistor array panel including angled drain regions'20179,589,519'Display panel'20179,577,144'Ultraviolet light-emitting device'20179,525,310'Energy harvesting device using electromagnetic interference signal and sensor system including the same'20169,515,091'Thin film transistor array panel including angled drain regions'20169,490,868'Apparatus and method for transmitting data using human body'20169,100,140'Spreading code producing apparatus'20158,952,676'Transmitting and receiving electrode system and power transmission method using the same'20158,873,603'Method and apparatus for amplitude modulation of spread signal'20148,830,410'Liquid crystal display with electrostatic-resistant wirings'20148,811,640'Apparatus and method for transmitting human sound for removing interference signal'20148,804,800'Frequency response measurement system and method'20148,798,049'Transmitter, receiver and method thereof in human body communication system'20148,767,167'Display panel and method of manufacturing the same'20148,767,798'Phased spreading scheme-based transmission apparatus and method of operating the same'20148,761,231'Frequency modulating apparatus and transmitting apparatus including the same, and frequency demodulating apparatus and receiving apparatus including the same'20148,755,949'Telematics system using human body communication, portable device having telematics function using human body communication, and method for providing telematics service using human body communication'20148,742,888'Communication apparatus having human body contact sensing function and method thereof'20148,684,457'Chair and multimedia player comprising sound transmission apparatus performing human body communications'20148,606,177'Apparatus and method for controlling human body contact of ground electrode, and human body communication system using the same'20138,599,902'Frequency selective modulating apparatus and method using re-spreading code'20138,593,297'Walking guidance apparatus using human body communication'20138,515,346'Electronic apparatus having control function using human body communication and portable terminal having electronic apparatus control function using human body communication'20138,509,467'Human body sound transmission system and method for transmitting a plurality of signals'20138,488,648'Apparatus and method for symbol error correctable modulation and demodulation using frequency selective baseband'20138,489,027'Method and apparatus for communicating sound wave of human body'20138,487,773'Crime prevention system using human body communication and crime prevention method using human body communication'20138,472,501'Human body communication apparatus for non-contact communications and human body communication method for non-contact communications in the same using frequency selective baseband'20138,467,431'Human body communication system and communication method thereof'20138,442,249'Human body sound transmission apparatus and method for minimizing signal loss'20138,422,535'Frequency selective digital transmission apparatus'20138,351,402'Digital communication system using frequency selective baseband and method thereof'20138,344,999'Powerless electronic notepad and powerless wireless transmission system using the same'20138,345,735'Modulation and demodulation apparatus using frequency selective baseband and transmission and reception apparatus using the same'20138,340,158'System and method for human body communication using limited passband'20128,320,429'Receiver and method for receiving data in human body communication system using multiple receivers'20128,311,175'TDD communication apparatus and operation method thereof'20128,265,554'Communication device and method using human body'20128,249,136'Adaptive frequency selective baseband communications method using orthogonal codes'20128,224,244'Communication apparatus'20128,165,522'Method and apparatus for providing touch and play (TAP)—based service and system using the method and apparatus'20128,165,236'Human body communication method using multi-carrier modulation method'20128,054,159'Communication apparatus having human body contact sensing function and method thereof'20117,961,061'Apparatus and method for modulation and demodulation using frequency selective baseband'20117,142,829'Dual antenna diversity transmitter and system with improved power amplifier efficiency'20066,992,637'Slot antenna having slots formed on both sides of dielectric substrate'2006D0373346'Machine for data communication having a card detector'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2014Patents assigned to KOREA ELECTRONICS TELECOMM (35)· patent assignee history
2006–2020Based in Daejeon, KR· patent location history
2012–2014Patents assigned to HWANG JUNG HWAN (20)· patent assignee history
2012–2014Patents assigned to KANG TAE WOOK (20)· patent assignee history
2012–2014Patents assigned to KANG SUNG WEON (19)· patent assignee history
2012–2014Patents assigned to KIM SUNG EUN (19)· patent assignee history
2012–2013Based in Daejon, KR· patent location history
2014Based in Asan-si, KR· patent location history
2016–2020Based in Cheonan-si, KR· patent location history
2017–2019Based in Ansan-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA ELECTRONICS TELECOMM | 35 | 2006–2014 |
| HWANG JUNG HWANself | 20 | 2012–2014 |
| KANG TAE WOOK | 20 | 2012–2014 |
| KANG SUNG WEON | 19 | 2012–2014 |
| KIM SUNG EUN | 19 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 38 | 2006–2020 |
| Cheonan-si, KR | 5 | 2016–2020 |
| Ansan-si, KR | 3 | 2017–2019 |
| Daejon, KR | 3 | 2012–2013 |
| Asan-si, KR | 2 | 2014 |