Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11445645 | Hollow shielding structure for different types of circuit elements and manufacturing method thereof | Keon Kuk, Il-ju Mun, Ji-woon Yeom, Kyong-il Kim | 2022-09-13 |
| 10913201 | Object forming apparatus and controlling method thereof | Keon Kuk, Eun-bong Han, Young-dae Ko, Hyeon-hyang Kim, O-hyun Beak +1 more | 2021-02-09 |
| 10710297 | Three-dimensional printer and operating method for the same | Ohyun BEAK, Keon Kuk, Eun-bong Han | 2020-07-14 |
| 10566293 | Circuit element package, manufacturing method thereof, and manufacturing apparatus thereof | Keon Kuk, Young-dae Ko, O-hyun Beak, Eun-bong Han, Hyeon-hyang Kim +1 more | 2020-02-18 |
| 10477737 | Manufacturing method of a hollow shielding structure for circuit elements | Keon Kuk, Il-ju Mun, Ji-woon Yeom, Kyong-il Kim | 2019-11-12 |
| 9434838 | Multi-color ink for 3D printing, 3D printer, and method of controlling the 3D printer | O Hyun Beak, Keon Kuk, Eun-bong Han, Yong Hyun Lim, Jong-youb RYU | 2016-09-06 |
| 9217073 | Transparent and flame retarding polyester resin composition and preparation method thereof | Ji-Young Lee, In-Ki Kim, Manwar Hussain, Pil Joong Yoon, Keum Suk Seo | 2015-12-22 |
| 7717990 | Multi-color inkjet ink set to prevent color bleeding | Seung-min Ryu | 2010-05-18 |
| 7638610 | Self-dispersible metal complex colorant comprising azo moiety | Kyung-Hoon Lee, Seung-min Ryu | 2009-12-29 |
| 7621992 | Ink composition including chromophore-mimic additive and inkjet printer cartridge and inkjet recording apparatus including the same | Seung-min Ryu | 2009-11-24 |
| 7442241 | Inkjet ink composition and multi-color inkjet ink set having the same | Seung-min Ryu | 2008-10-28 |
| 7368008 | Ink set, inkjet recording apparatus comprising the ink set, and method of forming image using the ink set | Seung-min Ryu | 2008-05-06 |
| 7364597 | Metal complex colorant comprising azo moiety | Seung-min Ryu, Kyung-Hoon Lee | 2008-04-29 |
| 7223355 | Functional additive having UV-absorbing substituent and ink composition containing the same | Soung-min Ryu | 2007-05-29 |
| 7223805 | Light-resistive dispersant and ink composition containing the same | Seung-min Ryu | 2007-05-29 |
| 7173114 | Lightfast colorant and lightfast ink composition including the same | Kyung-Hoon Lee, Seung-min Ryu | 2007-02-06 |
| 7164036 | Benzophenone compound and ink composition including the same | Kyung-Hoon Lee, Seung-min Ryu | 2007-01-16 |
| 7125442 | Lightfast additive having UV-absorbing moiety and ink composition including the same | Kyung-Hoon Lee, Seung-min Ryu | 2006-10-24 |
| 7125443 | Lightfast colorant and lightfast ink composition including the same | Kyung-Hoon Lee, Seung-min Ryu | 2006-10-24 |
| 7112630 | Water-soluble, antimicrobial active polymer and ink composition comprising the same | Kyung-Hoon Lee, Seung-min Ryu | 2006-09-26 |
| 7064210 | Light resistant colorant and composition containing the same | Seung-min Ryu | 2006-06-20 |
| 7011700 | Antibacterial colorant and ink composition comprising the same | Seung-min Ryu, Kyung-Hoon Lee | 2006-03-14 |
| 6327760 | Method of manufacturing a piezoelectric/electrostrictive microactuator | Sang Kyeong Yun, Dong Hoon Kim | 2001-12-11 |
| 6319421 | Ceramic oxide powder, method for producing the ceramic oxide powder, ceramic paste produced using the ceramic oxide powder, and method for producing the ceramic paste | Sang Kyeong Yun, Dong Hoon Kim | 2001-11-20 |
| 6265139 | Method for fabricating piezoelectric/electrostrictive ceramic micro actuator using photolithography | Sang Kyeong Yun, Sung June Park | 2001-07-24 |