Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |