Inventor
Changsu Lee
Inventor
Gyeonggi-do, KR
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
H01LSemiconductor devices8%
H01RElectrically-conductive connections8%
H02JElectric power networks8%
H02NElectric machines not otherwise provided for8%
H02SGeneration of electric power by conversion of infrared radiation, visible light or ultraviolet light, e.g. using photovoltaic [pv] modules8%
H04MTelephonic communication8%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation8%
H10KOrganic electric solid-state devices8%
PatentTitleYear
10,707,783Electrostatic induction device for performing power generating function202010,511,257Photovoltaic cell having polarization characteristic and electronic device having the same20199,986,082Interface device and method between electronic device and external device using ear jack of the electronic device2018D0549756'Home service robot'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007Patents assigned to SK TELECOM CO LTD (1)· patent assignee history
2007Based in Seodaemun-gu, KR· patent location history
2018–2020Patents assigned to SAMSUNG ELECTRONICS CO LTD (3)· patent assignee history
2018–2020Based in Gyeonggi-do, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRONICS CO LTD | 3 | 2018–2020 |
| SK TELECOM CO LTD | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gyeonggi-do, KR | 3 | 2018–2020 |
| Seodaemun-gu, KR | 1 | 2007 |