Inventor
Chang-Hyeon Ji
Inventor
Seoul, KR
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus24%
LOC2511%
B81BMicrostructural devices or systems, e.g. micromechanical devices8%
F16KValves8%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates5%
F15CFluid-circuit elements predominantly used for computing or control purposes5%
H02NElectric machines not otherwise provided for5%
A47LDomestic washing or cleaning3%
B08BCleaning in general3%
B41JTypewriters3%
PatentTitleYear
10,551,612Scanning apparatus20209,656,854'MEMS microphone with dual-back plate and method of manufacturing the same'20179,528,317'Sliding window having cleaning unit'2016D0664680'Member for windows and doors'2012D0664678'Member for windows and doors'2012D0664679'Member for windows and doors'2012D0664267'Member for windows and doors'20127,626,312'Surface acoustic wave linear motor, surface acoustic wave linear motor package, and lens actuator adopting the surface acoustic wave linear motor package'20097,567,396'Variably focusing mirror driven by electromagnetic force and operating method thereof'20097,453,617'Scanning device and fabrication method thereof'20087,433,107'Raster scanning display system'20087,412,157'Lens driving device'20087,324,252'Electromagnetic scanning micro-mirror and optical scanning device using the same'20087,116,017'Device for reducing deterioration of image quality in display using laser'20067,079,329'Micro actuator for controlling focal depth'20067,055,797'Micro-actuator, fabrication method thereof, and micro-actuating valve'20067,014,165'Flow control valve and flow control valve apparatus using the same'20066,830,064'Leak control valve'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004Based in Hwasung-City, KR· patent location history
2006–2009Patents assigned to LG ELECTRONICS INC (10)· patent assignee history
2006–2020Based in Seoul, KR· patent location history
2012–2016Patents assigned to LG HAUSYS LTD (5)· patent assignee history
2012Patents assigned to JI CHANG-HYEON (4)· patent assignee history
2012Patents assigned to KIM JEONG-HYEON (4)· patent assignee history
2012Patents assigned to LEE JU-HAN (4)· patent assignee history
2012–2016Based in Cheongju-si, KR· patent location history
2017Based in Daejeon, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LG ELECTRONICS INC | 10 | 2006–2009 |
| LG HAUSYS LTD | 5 | 2012–2016 |
| JI CHANG-HYEONself | 4 | 2012 |
| KIM JEONG-HYEON | 4 | 2012 |
| LEE JU-HAN | 4 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 11 | 2006–2020 |
| Cheongju-si, KR | 5 | 2012–2016 |
| Daejeon, KR | 1 | 2017 |
| Hwasung-City, KR | 1 | 2004 |