Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292279 | Movement interval measurement apparatus for checking operating status of vehicle power transmission apparatus unaffected by temperature | Byoung Sun Choi | 2025-05-06 |
| 7795489 | Method for obtaining 2,6-dimethylnaphthalene using isomerization and crystallization processes | Yang-Ho Chenon, Young-Gyo Choi | 2010-09-14 |
| 7732048 | Cellulose multi-filament | Soo-Myung Choi, Tae-Jung Lee, Jae-Shik Choi | 2010-06-08 |
| 7718835 | Dehydrogenation process of dimethylnaphthalene using metal catalyst | Hyun-Soo Kim, Young-Gyo Choi | 2010-05-18 |
| 7713459 | Cellulose fiber for using as industrial materials | Soo-Myung Choi, Tae-Jung Lee, Jae-Shik Choi | 2010-05-11 |
| 7566496 | 3-Dimension crimp polyethylene terephthalate multifilament for carpet | Il-Won Jung, Kyoun-Ho Kim, Jong Bok Lee | 2009-07-28 |
| 7396457 | Apparatus and method for recovering acetic acid and catalyst in process for preparation of 2,6-naphthalenedicarboxylic acid | Young-Gyo Choi, Byung-Jun Song, Jong-Cheul Ji | 2008-07-08 |
| 7308923 | Dipped cord using hybrid cord and a radial tire using the same | Soo-Myung Choi, Yun-Hyuk Bang, Si-Hwan Joo | 2007-12-18 |
| 6983779 | Cellulose dip cord produced from highly homogeneous cellulose solution and tire using the same | Soo-Myung Choi, Young-Soo Wang, Sung Ryong Kim, Jae-Shik Choi, Tae-Jung Lee +1 more | 2006-01-10 |
| 6919131 | Latent-elasticity interlaced-textured yarn and suede-like elastic woven fabric produced using the same | Joon-seok Koh, Si-ryang Park | 2005-07-19 |