Inventor
Dohun Cha
Inventor
Yongin-si, KR
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A63Fprimary
A63FCard, board, or roulette games11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
G09BEducational or demonstration appliances11%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy11%
H02JElectric power networks11%
H04MTelephonic communication11%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers11%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications11%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018Patents assigned to CHA DONG SIK (1)· patent assignee history
2018Based in Incheon, KR· patent location history
2021Patents assigned to SAMSUNG ELECTRONICS CO LTD (2)· patent assignee history
2021Based in Yongin-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRONICS CO LTD | 2 | 2021 |
| CHA DONG SIKself | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yongin-si, KR | 2 | 2021 |
| Incheon, KR | 1 | 2018 |