Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D626541 | Cradle for a cellular phone | Chol-Ho Hwang | 2010-11-02 |
| D614613 | Holder for mobile phone | Chol-Ho Hwang | 2010-04-27 |
| D610187 | Projector | Chol-Ho Hwang | 2010-02-16 |
| D602513 | Projector | Chol-Ho Hwang | 2009-10-20 |
| D602006 | Wireless headset | Chol-Ho Hwang, Chang-Hwan Hwang | 2009-10-13 |
| D595271 | Earset | Chol-Ho Hwang | 2009-06-30 |
| D595273 | Earset | Chol-Ho Hwang, Gee-Hong Yoon | 2009-06-30 |
| D593547 | Bluetooth headset | Chol-Ho Hwang, Gee-Hong Yoon | 2009-06-02 |
| D593068 | Speaker | Chol-Ho Hwang | 2009-05-26 |
| D591269 | Speaker | Chol-Ho Hwang, Gee-Hong Yoon | 2009-04-28 |
| D560211 | Speaker | Hyun-Seop Kim, Chang-Hwan Hwang | 2008-01-22 |
| D559223 | Portable telephone | Hyun-Seop Kim, Chang-Hwan Hwang | 2008-01-08 |
| D556725 | Mobile phone | Hyun-Seop Kim, Chang-Hwan Hwang | 2007-12-04 |
| D556176 | Portable phone | Hyun-Seop Kim, Chang-Hwan Hwang | 2007-11-27 |
| 6280806 | Braun tube having antibacterial coating film | Jae-Huy Park, Dae-In Park, Bum-je Jeaun, Su Jin Han | 2001-08-28 |
| 4984096 | Video disk, disk player and method for long play mode constant angular velocity playback | — | 1991-01-08 |