Inventor
Kangheui Cha
Inventor
Incheon, KR
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC14primary
LOC1462%
H04NPictorial communication, e.g. television15%
G02BOptical elements, systems or apparatus8%
G06FElectric digital data processing8%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%
PatentTitleYear
10,845,847Head-mounted display2020D0769242'Head mounted display device'20169,398,360'Audio extension module'2016D0750604'Speaker for television receiver'2016D0743938'Speaker for television receiver'2015D0742862'Speaker for television receiver'2015D0742353'Speaker for television receiver'2015D0740257'Speaker for television receiver'2015D0738849'Speaker for television receiver'2015D0709844'Television receiver'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2020Patents assigned to LG ELECTRONICS INC (10)· patent assignee history
2014–2016Based in Incheon, KR· patent location history
2016–2020Based in Seoul, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LG ELECTRONICS INC | 10 | 2014–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Incheon, KR | 7 | 2014–2016 |
| Seoul, KR | 3 | 2016–2020 |