Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8461236 | Phosphoric compound, method for preparing the same, and flame retardant thermoplastic resin composition including the same | Beom Jun Joo | 2013-06-11 |
| 8410203 | Phosphorus compound, method of preparing the same and flame retardant thermoplastic resin composition including the same | Im Hyuck Bae, Seon Ae Lee, Sang Hyun Hong, Chang Hong KO, Boem Jun Joo +5 more | 2013-04-02 |
| 8410238 | Bishydroxyarylsiloxane compound and method of preparing the same | Chang Hong KO, Sang Hyun Hong, Beom Jun Joo, Won Gi Lee | 2013-04-02 |
| 8222329 | Symmetric cyclic phosphonate compound, method of preparing the same and flame retardant styrenic resin composition including the same | Beom Jun Joo, Sang Hyen HONG, Byun Kun Lee | 2012-07-17 |
| 8133946 | Non-halogen flameproof polycarbonate resin composition | Im Hyuck Bae, Beom Jun Joo | 2012-03-13 |
| 8046039 | Mobile terminal and case for mobile terminal | Tai-Woo Kim, Seung Woo Park, Woo Young Kwak | 2011-10-25 |
| 8039535 | Flame retardant and impact modifier, method for preparing the same, and thermoplastic resin composition including the same | Beom Jun Joo | 2011-10-18 |
| 8030380 | Non-halogen flameproof polycarbonate resin composition | Beom Jun Joo, Sang Hyun Hong, Byun Kun Lee | 2011-10-04 |
| 7956110 | Non-halogen flameproof resin composition | Beom Jun Joo, Byun Kun Lee, Sang Hyun Hong | 2011-06-07 |
| 7956111 | Non-halogen flameproof polycarbonate resin composition | Beom Jun Joo | 2011-06-07 |
| 7939588 | Salt of carboxyethyl phosphinate ester and flame retardant thermoplastic resin composition containing the same | Sang Hyun Hong, Jeong Ku, Su Hak Bae, Jin Hwan Choi, Jin Hwan Kim | 2011-05-10 |
| 7927897 | Photoresist composition and method of manufacturing array substrate using the same | Hi-Kuk Lee, Sang-Hyun Yun, Deok-Man Kang, Sae-Tae Oh, Jae Young Choi | 2011-04-19 |
| 7919548 | Sterically hindered phenolic phosphonates and polycarbonate resin composition using the same | Beom Jun Joo, Byun Kun Lee | 2011-04-05 |
| 7772303 | Flame retardant thermoplastic resin composition having excellent weatherability | Sang Hyun Hong, Seon Ae Lee, Jin Hwan Choi | 2010-08-10 |
| 7437116 | Developing apparatus and image forming apparatus using the same | — | 2008-10-14 |
| 7310490 | Developing unit for an image forming apparatus | — | 2007-12-18 |
| 7043177 | Toner/developer mixing roller and developing device for laser printer | Ho-Dong Kim | 2006-05-09 |
| 6259867 | Transfer jam detecting apparatus for a wet type electrophotographic color printer | Woo-yong Park | 2001-07-10 |
| 6185394 | Method of adjusting photoreceptor belt in printing apparatus | — | 2001-02-06 |
| 6185395 | Photoreceptor web installing/removing apparatus for a printer | — | 2001-02-06 |
| 6181900 | Photoreceptor belt control apparatus for printer | Jong Chan LEE, Jung-Hun Bang | 2001-01-30 |
| 6178300 | Photoreceptor web grounding structure of liquid electrophotographic printer | Jong Chan LEE | 2001-01-23 |
| 6006553 | Heat dissipating blades for a motor of a washing machine | Hwan-young Choi | 1999-12-28 |
| 5991576 | Apparatus for driving photosensitive belt | — | 1999-11-23 |
| 5934107 | Clothes washing machine having an impact damper | Hwan-young Choi | 1999-08-10 |