Inventor
Chang-Hyeon Lee
Inventor
Irvine, CA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer15%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses11%
H04NPictorial communication, e.g. television11%
G05FSystems for regulating electric or magnetic variables7%
G06FElectric digital data processing7%
H03CModulation7%
B60LPropulsion of electrically-propelled vehicles4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes4%
H01FMagnets4%
PatentTitleYear
11,005,276Stacked variable voltage battery module arrangement20219,495,416'Method, apparatus, and system to recommend multimedia contents using metadata'20168,866,557'XTAL oscillator'20148,111,123'Disc wound transformer with improved cooling'20128,059,166'Multifunctional video apparatus and method of providing user interface thereof'20117,898,230'Low drop out voltage regulator circuit assembly'20117,554,306'Low drop out voltage regulator circuit assembly'20097,259,633'Frequency synthesizer with loop filter calibration for bandwidth control'20077,109,805'Direct modulator for shift keying modulation'20067,031,088'Apparatus and method for detecting an abnormality in a recorded signal'20066,968,029'Frequency prescaler'20056,954,090'Charge pump having reduced switching noise'20056,747,828'Apparatus and method for detecting an abnormality in a recorded signal'20046,611,160'Charge pump having reduced switching noise'20036,470,134'Method and apparatus for dubbing a recording tape'20026,091,442'Apparatus for improving the visibility of images'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2011Patents assigned to SAMSUNG ELECTRONICS CO LTD (5)· patent assignee history
2000–2011Based in Suwon-si, KR· patent location history
2003–2011Patents assigned to SKYWORKS SOLUTIONS INC (7)· patent assignee history
2003–2014Based in Irvine, CA, US· patent location history
2011–2014Patents assigned to LEE CHANG-HYEON (3)· patent assignee history
2012Patents assigned to ABB TECHNOLOGY AG (1)· patent assignee history
2012Patents assigned to BALLARD ROBERT C (1)· patent assignee history
2012Based in Yongin-si, KR· patent location history
2016Based in Seoul, KR· patent location history
2021Based in Carlsbad, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SKYWORKS SOLUTIONS INC | 7 | 2003–2011 |
| SAMSUNG ELECTRONICS CO LTD | 5 | 2000–2011 |
| LEE CHANG-HYEONself | 3 | 2011–2014 |
| ABB TECHNOLOGY AG | 1 | 2012 |
| BALLARD ROBERT C | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Irvine, California, US | 8 | 2003–2014 |
| Suwon-si, KR | 4 | 2000–2011 |
| Carlsbad, California, US | 1 | 2021 |
| Seoul, KR | 1 | 2016 |
| Yongin-si, KR | 1 | 2012 |