Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11338134 | Skin treatment device using RF | Dong Hwan KANG, Min Jung Shim, Hyoung Moon Kim | 2022-05-24 |
| 11148126 | Catalyst system for olefin oligomerization and method for preparing olefin oligomer by using same | Tae Jin Kim, Seung Woong Yoon | 2021-10-19 |
| 11117846 | Catalyst system for olefin oligomerization and method for preparing olefin oligomer by using same | Tae Jin Kim, Seung Woong Yoon | 2021-09-14 |
| 10981154 | Catalyst system for olefin oligomerization and method for preparing olefin oligomer using same | Min-Jae Shin, Tae Jin Kim, Seung Woong Yoon | 2021-04-20 |
| 10981155 | Catalyst system for olefin oligomerization and method for preparing olefin oligomer using same | Min-Jae Shin, Tae Jin Kim, Seung Woong Yoon | 2021-04-20 |
| 10942450 | Inorganic nanoparticle structure, film, optical member, light-emitting device, and liquid crystal display apparatus having the same | Heeyeop Chae, Chang Min Lee, Woo Suk Lee | 2021-03-09 |
| 10937520 | Method of operating memory device in test mode | Gyu Bum Hwang | 2021-03-02 |
| 9809602 | Compounds for treating viral infections | Marc P. Windisch, Jaewon Yang, Jong Yeon Hwang, Suyeon JO, Jeongjin Kwon +3 more | 2017-11-07 |
| 9764960 | Method and apparatus for preparation of granular polysilicon | Kyung Koo Yoon, Yong Ki Park, Won Choon Choi | 2017-09-19 |
| 9748913 | Apparatus and method for transmitting/receiving voice signal through headset | Do-Hwan Choi | 2017-08-29 |
| 9112958 | Wireless headset and battery status indication method thereof | Geun-Myeon Lee, Sung Hak Jang | 2015-08-18 |
| 9056308 | 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 | 2015-06-16 |
| 8840864 | Method of preparing ZSM-5 zeolite using nanocrystalline ZSM-5 seeds | Sun Choi, Deuk Soo Park, Suk Joon Kim, Dae Hyun Choo, Yong Ki Park +4 more | 2014-09-23 |
| 8821827 | Method and apparatus for preparation of granular polysilicon | Kyung Koo Yoon, Yong Ki Park, Won Choon Choi | 2014-09-02 |
| 8792648 | Apparatus and method for transmitting/receiving voice signal through headset | Do-Hwan Choi | 2014-07-29 |
| 8770209 | Color highlighting cosmetics container including a detachable makeup brush | You-Seob Kim, Shin-Bok Jung, Hae Young Jung | 2014-07-08 |
| 8747757 | Method and apparatus for preparation of granular polysilicon | Kyung Koo Yoon, Yong Ki Park, 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 |
| 8430959 | Apparatus and methods for preparation of high-purity silicon rods using mixed core means | Kyung Koo Yoon, Yong Ki Park, Won Choon Choi, Won Wook So | 2013-04-30 |
| 8431032 | Method for continual preparation of polycrystalline silicon using a fluidized bed reactor | Kyung Koo Yoon, Yong Ki Park, Won Choon Choi | 2013-04-30 |
| 8368548 | Wireless headset and battery status indication method thereof | Geun-Myeon Lee, Sung Hak Jang | 2013-02-05 |
| 8216643 | Methods for preparation of high-purity polysilicon rods using a metallic core means | Kyung Koo Yoon, Yong Ki Park, Won Choon Choi, Sang Jin Moon | 2012-07-10 |
| 8114352 | High-pressure fluidized bed reactor for preparing granular polycrystalline silicon | Kyung Koo Yoon, Yong Ki Park, Won Choon Choi | 2012-02-14 |
| 8017024 | Method for continual preparation of polycrystalline silicon using a fluidized bed reactor | Kyung Koo Yoon, Yong Ki Park, Won Choon Choi | 2011-09-13 |
| 7972562 | High-pressure fluidized bed reactor for preparing granular polycrystalline silicon | Kyung Koo Yoon, Yong Ki Park, Won Choon Choi | 2011-07-05 |