Inventor
Hea-jung Suh
Inventor
Seongnam, KR
Overview
Patents· 20 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 transducer80%
G02BOptical elements, systems or apparatus20%
PatentTitleYear
8,184,520'Optical pickup device having chromatic aberration correction lens'20127,440,361'Optical pickup apparatus'20087,391,704'Optical pickup device having chromatic aberration correction lens'20087,170,834'Method and circuit for detecting playback signal which is compensated for time delay'20077,120,109'Optical pickup with improved collimating lens for use with long and short wavelength laser beams'20067,092,347'Optical pickup apparatus having disk thickness deviation correction and method therefor'20067,009,921'Method and circuit for detecting playback signal which is compensated for time delay'20066,987,724'Optical pickup device having chromatic aberration correction lens'20066,853,614'Aberration correction element and optical pickup adopting the same'20056,798,731'Optical pickup for and method of correcting aberration due to thickness variations of optical media'20046,788,473'Objective lens device for correcting chromatic aberration and optical pickup employing the same'20046,785,209'Optical pickup for improving properties of a reproduction signal'20046,724,710'Spherical abberation compensator and optical pickup using the same'20046,678,233'Objective lens and optical pickup device using the same'20046,665,247'Land/groove discriminating method and optical recording/reproducing apparatus employing the method'20036,646,976'Optical pickup apparatus capable of reducing cross talk by adjacent tracks and a method therefor'20036,590,851'Optical pickup for recording/reproducing optical discs of multiple thicknesses'20036,580,670'Optical pickup using a single light spot to generate tracking error signal and reproduction signal'20036,563,780'Compatible optical pickup for high-density recording/reproduction'20036,538,975'Optical pickup'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2012Patents assigned to SAMSUNG ELECTRONICS CO LTD (20)· patent assignee history
2003–2007Based in Seongnam, KR· patent location history
2003Based in Kyungki-do, KR· patent location history
2004Based in Gyeonggi-do, KR· patent location history
2006–2012Based in Seongnam-si, KR· patent location history
2008Based in Hwaseong-si, KR· patent location history
2012Patents assigned to AHN YOUNG-MAN (1)· patent assignee history
2012Patents assigned to CHUNG CHONG-SAM (1)· patent assignee history
2012Patents assigned to KIM TAE-KYUNG (1)· patent assignee history
2012Patents assigned to SUH HEA-JUNG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRONICS CO LTD | 20 | 2003–2012 |
| AHN YOUNG-MAN | 1 | 2012 |
| CHUNG CHONG-SAM | 1 | 2012 |
| KIM TAE-KYUNG | 1 | 2012 |
| SUH HEA-JUNGself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seongnam, KR | 13 | 2003–2007 |
| Seongnam-si, KR | 3 | 2006–2012 |
| Gyeonggi-do, KR | 2 | 2004 |
| Hwaseong-si, KR | 1 | 2008 |
| Kyungki-do, KR | 1 | 2003 |