Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8840864 | Method of preparing ZSM-5 zeolite using nanocrystalline ZSM-5 seeds | Sun Choi, Deuk Soo Park, Suk Joon Kim, Dae Hyun Choo, Chul Wee Lee +4 more | 2014-09-23 |
| 8821827 | Method and apparatus for preparation of granular polysilicon | Hee Young Kim, Kyung Koo Yoon, Won Choon Choi | 2014-09-02 |
| 8747757 | Method and apparatus for preparation of granular polysilicon | Hee Young Kim, Kyung Koo Yoon, Won Choon Choi | 2014-06-10 |
| 8673802 | Catalyst for catalytic cracking of hydrocarbon, which is used in production of light olefin and production method thereof | Dae Hyun Choo, Hong Chan Kim, Suk Joon Kim, Ji Min Kim, Tae Jin Kim +9 more | 2014-03-18 |
| 8580203 | Fluidized bed reactor | Yunsub Jung, Keunho Kim, Yeokyun Yoon, Ted Kim, Kyung Koo Yoon +1 more | 2013-11-12 |
| 8430959 | Apparatus and methods for preparation of high-purity silicon rods using mixed core means | Hee Young Kim, Kyung Koo Yoon, Won Choon Choi, Won Wook So | 2013-04-30 |
| 8431032 | Method for continual preparation of polycrystalline silicon using a fluidized bed reactor | Hee Young Kim, Kyung Koo Yoon, Won Choon Choi | 2013-04-30 |
| 8216643 | Methods for preparation of high-purity polysilicon rods using a metallic core means | Hee Young Kim, Kyung Koo Yoon, Won Choon Choi, Sang Jin Moon | 2012-07-10 |
| 8114352 | High-pressure fluidized bed reactor for preparing granular polycrystalline silicon | Hee Young Kim, Kyung Koo Yoon, Won Choon Choi | 2012-02-14 |
| 8044663 | Ultra-sensitive susceptibility detection apparatus of anharmonic resonance measurement type using atomic magnetometer, and method of using same | Ki Woong Kim, Yong Ho Lee, Hyuk Chan Kwon, Jin-Mok Kim | 2011-10-25 |
| 8017024 | Method for continual preparation of polycrystalline silicon using a fluidized bed reactor | Hee Young Kim, Kyung Koo Yoon, Won Choon Choi | 2011-09-13 |
| 7972562 | High-pressure fluidized bed reactor for preparing granular polycrystalline silicon | Hee Young Kim, Kyung Koo Yoon, Won Choon Choi | 2011-07-05 |
| 7923358 | Methods for preparation of high-purity polysilicon rods using a metallic core means | Hee Young Kim, Kyung Koo Yoon, Won Choon Choi, Sang Jin Moon | 2011-04-12 |
| 7906694 | Method of preparing mono-iodo benzene through transiodination | Han-Seok Kim, Jong-In Lee, Il-Hoon Cha, Won Choon Choi, Bu Sub Song | 2011-03-15 |
| 7771687 | Method for preparing granular polycrystalline silicon using fluidized bed reactor | Hee Young Kim, Kyung Koo Yoon, Won Choon Choi | 2010-08-10 |
| 7718840 | Process for production of light olefins from hydrocarbon feedstock | Sun Choi, Yong Seung Kim, Deuk Soo Park, Suk Joon Kim, Il Mo Yang +5 more | 2010-05-18 |
| 7663013 | Solid acid catalyst for producing light olefins and process using the same | Sun Choi, Deuk Soo Park, Suk Joon Kim, Ahn Choi, Hee Young Kim +4 more | 2010-02-16 |
| 7601663 | Solid acid catalyst for producing light olefins and process using the same | Sun Choi, Deuk Soo Park, Suk Joon Kim, Ahn Choi, Hee Young Kim +4 more | 2009-10-13 |
| 7488700 | Hydrothermally stable microporous molecular sieve catalyst and preparation method thereof | Sun Choi, Yong Seung Kim, Deuk Soo Park, Suk Joon Kim, Il Mo Yang +5 more | 2009-02-10 |
| 7388371 | Method for controlling characteristics of double relaxation oscillation SQUID with reference junction | Jin-Mok Kim, Yong Ho Lee, Hyukchan Kwon, Kiwoong Kim | 2008-06-17 |
| 6541377 | Method and apparatus for preparing polysilicon granules | Young-Hee Kim | 2003-04-01 |
| 6528031 | Method for preparing noble metal-supported zeolite catalyst for catalytic reduction of nitrogen oxide | Sang-Eon Park, Jin Woo Lee, Chul Wee Lee, Jong-San Chang, Jung Kuk Cho | 2003-03-04 |
| 6421152 | Optical buffer utilizing a cell pointer | Kyeong Mo Yoon, Yoon Hak Bang, Su Mi Chang, Jin Sik PARK, Sang Goo Lee +1 more | 2002-07-16 |
| 6288808 | Large capacity optical ATM switch | Sang Goo Lee, Kyeong Mo Yoon, Su Mi Chang, Jin Sik PARK, Jin Seob Eom +3 more | 2001-09-11 |
| 6191318 | Process for preparing hydroxylated aromatics by hydrogen and oxygen | Sang-Eon Park, Chul Wee Lee, Jong-San Chang | 2001-02-20 |