Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11407900 | Pearlescent pigment for security purposes including organic or inorganic fluorescent material | Kum-Sung CHO, Kyung-don Nam, Jae-Il Jeong, Kwang-Choong Kang, Byung-Ki Choi +1 more | 2022-08-09 |
| 11370923 | Black pearlescent pigment using natural charcoal and production method thereof | Kum-Sung CHO, Kwang-Choong Kang, Byung-Ki Choi, Kil-Wan Chang | 2022-06-28 |
| 11207264 | Cosmetics composition having improved water absorbability and oil absorbability | Ki-Jung Kim, Sang Hoon Kim, Kwang-Choong Kang, Byung-Ki Choi, Kil-Wan Chang | 2021-12-28 |
| 11208723 | Organometallic precursor compound for vapor deposition for forming oxide thin film and method for manufacturing same | Jung-Woo Park, Donghak Jang, Yeong-Eun Kim, Hyo Suk Kim | 2021-12-28 |
| 11118060 | Composite white pigment | Jin Hyoung Lee, Kwang-Choong Kang, Byung-Ki Choi, Kil-Wan Chang | 2021-09-14 |
| 10836912 | Glossy pigment having hollow structure and method for producing same | Yong Ho Son, Kwang-Choong Kang, Byung-Ki Choi, Kil-Wan Chang | 2020-11-17 |
| 10646423 | Cosmetic product having excellent UV-blocking effect and manufacturing method thereof | Ki-Jung Kim, Sang Hoon Kim, Kwang-Choong Kang, Byung-Ki Choi, Kil-Wan Chang | 2020-05-12 |
| 10519317 | Gold pigment with high color strength | Kil-Wan Chang, Byung-Ki Choi, Jin Hyoung Lee | 2019-12-31 |
| 10285918 | Cosmetic composition | Kum-Sung CHO, Min-Hee Choi, Kwang-Choong Kang, Byung-Ki Choi, Kil-Wan Chang | 2019-05-14 |
| 10259943 | Method for manufacturing plate alpha-alumina pearlescent pigments and nano-metal coating pearlescent pigments with large aspect ratio | Myung-Ho Jung, Kyung-jun Han, Jae-Il Jeong, Kwang-Choong Kang, Byung-Ki Choi +4 more | 2019-04-16 |
| 9862839 | Pigment having excellent electrical conductivity and corrosion resistance and method for preparing same | Eun-Suk Cho, Kil-Wan Chang, Byung-Ki Choi, Bong Geun Song, Kwang-Choong Kang | 2018-01-09 |
| 9758677 | Plate-like aluminum oxide and preparation method therefor | Kwang-Choong Kang, Kyung-don Nam, Yong Ho Son, Myung-Ho Jung, Byung-Ki Choi +1 more | 2017-09-12 |
| 9629796 | Colored glossy pigment using vegetable type natural dye and method for preparing same | Min-Hee Choi, Kum-Sung CHO, Kwang-Choong Kang, Byung-Ki Choi, Kil-Wan Chang | 2017-04-25 |
| 9309411 | Nacreous pigment with high chroma and multiple colors and method of preparing the same | Jae-Il Jeong, Kwang-Choong Kang, Byung-Ki Choi, Kil-Wan Chang | 2016-04-12 |
| 9212282 | Interference pigment with high color intensity and method of manufacturing the same | Kil-Wan Chang, Byung-Ki Choi, Jin Hyoung Lee | 2015-12-15 |
| 8918950 | Mobile robot system having a plurality of exchangeable work modules and method of controlling the same | Jeong-gon Song, Sam-jong Jeung, Ju-sang Lee, Jang-youn Ko | 2014-12-30 |
| 8900660 | Silver coating pigment, and method for producing same | Dong-Min HEO, Jae-Il Jeong, Kwang-Choong Kang, Byung-Ki Choi, Kil-Wan Chang +2 more | 2014-12-02 |
| 8808447 | Pigment paint for an exterior material having good weather resistance and method for manufacturing same | Jae-Il Jeong, Nam-Il Lee, Sang Keun Park, Jin Hyung Lee, Kwang-Choong Kang +2 more | 2014-08-19 |
| 7891387 | Mobile robot system having liquid supply station and liquid supply method | Sam-jong Jeung, Jeong-gon Song, Ju-sang Lee, Jang-youn Ko | 2011-02-22 |
| 7729803 | System and method for returning robot cleaner to charger | Sam-jong Jeung, Jeong-gon Song, Ju-sang Lee, Jang-youn Ko | 2010-06-01 |
| 7489985 | Robot cleaner system and a method for returning to external recharging apparatus | Jang-youn Ko, Sam-jong Jeung, Jeong-gon Song, Ki-man Kim, Ju-sang Lee | 2009-02-10 |
| 7438766 | Robot cleaner coordinates compensation method and a robot cleaner system using the same | Jeong-gon Song, Sam-jong Jeung, Ki-man Kim, Ju-sang Lee, Jang-youn Ko | 2008-10-21 |
| 7239105 | Method compensating gyro sensor for robot cleaner | Sam-jong Jeung, Jeong-gon Song, Ki-man Kim, Ju-sang Lee, Jang-youn Ko | 2007-07-03 |