Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017024 | Method for continual preparation of polycrystalline silicon using a fluidized bed reactor | Hee Young Kim, Kyung Koo Yoon, Yong Ki Park | 2011-09-13 |
| 7972562 | High-pressure fluidized bed reactor for preparing granular polycrystalline silicon | Hee Young Kim, Kyung Koo Yoon, Yong Ki Park | 2011-07-05 |
| 7923358 | Methods for preparation of high-purity polysilicon rods using a metallic core means | Hee Young Kim, Kyung Koo Yoon, Yong Ki Park, Sang Jin Moon | 2011-04-12 |
| 7906694 | Method of preparing mono-iodo benzene through transiodination | Han-Seok Kim, Jong-In Lee, Il-Hoon Cha, Yong Ki Park, Bu Sub Song | 2011-03-15 |
| 7771687 | Method for preparing granular polycrystalline silicon using fluidized bed reactor | Hee Young Kim, Kyung Koo Yoon, Yong Ki Park | 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 |
| 5371306 | Modified magnesium oxide catalyst | Seong-Ihl Woo, Kwang Ho Park, Jin-Do Kim | 1994-12-06 |