| 8369033 |
Method of manufacturing lens and lens manufactured using the same |
Kwang-Chun Lee, In Cheol Chang, Young Su Jin |
2013-02-05 |
| 8273272 |
Method for manufacturing lens used in camera module |
Cheong Hee Lee, Jong Ho Ahn, In Cheol Chang, Seok Cheon Lee, Young Su Jin |
2012-09-25 |
| 7876511 |
Subminiature imaging optical system |
In Cheol Chang, Seok Cheon Lee, Young Su Jin, Cheong Hee Lee |
2011-01-25 |
| 7764445 |
Optical system |
In Cheol Chang, Seok Cheon Lee, Young Su Jin, Cheong Hee Lee |
2010-07-27 |
| 7723669 |
Optical movement sensing system |
Ho Sik You, In Cheol Chang |
2010-05-25 |
| 7689116 |
Thinner mobile camera optical lens system and image forming method using the same |
Ho Sik You, Seok-Ho Song, Ho Seop Jeong, Sang Hyuck Lee |
2010-03-30 |
| 7474480 |
Subminiature imaging optical system |
In Cheol Chang, Ho Seop Jeong, Ho Sik You, Sang Hyuck Lee |
2009-01-06 |
| 7460579 |
Multi-wavelength semiconductor laser device |
Jong Ik PARK, Yu Seung Kim, Ki Won Moon |
2008-12-02 |
| 7457053 |
Subminiature imaging optical system |
Ho Seop Jeong, Dong Ik Shin, Ho Sik You |
2008-11-25 |
