Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699371 | Fabrication method of blue light emitting ZnO thin film phosphor | Won Kook Choi | 2004-03-02 |
| 6628045 | Ring-type piezoelectric ultrasonic motor | Seok Jin Yoon, Hyun Jai Kim, Piotr Vasiljev | 2003-09-30 |
| 6495283 | Battery with trench structure and fabrication method thereof | Young-Soo Yoon, Won Il Cho, Byung Won Cho, Young Hwa Shin | 2002-12-17 |
| 6358378 | Method for fabricating ZnO thin film for ultraviolet detection and emission source operated at room temperature, and apparatus therefor | Won Kook Choi, Kyeong Kook Kim, Young-Soo Yoon, Jong-Han Song | 2002-03-19 |
| 6319326 | Apparatus for surface modification of polymer, metal and ceramic materials using ion beam | Seok-Keun Koh, Won Kook Choi, Jung-Il Cho | 2001-11-20 |
| 6300641 | Process for modifying surfaces of materials, and materials having surfaces modified thereby | Seok-Keun Koh, Won Kook Choi, Kyong Sop Han, Sik Sang Gam | 2001-10-09 |
| 6264709 | Method for making electrical and electronic devices with vertically integrated and interconnected thin-film type battery | Young-Soo Yoon, Won Kook Choi, Seok Jin Yoon | 2001-07-24 |
| 6162512 | Process for modifying surfaces of nitride, and nitride having surfaces modified thereby | Seok-Keun Koh, Won Kook Choi, Yong Bai Son | 2000-12-19 |
| 6162513 | Method for modifying metal surface | Seok-Keun Koh, Won Kook Choi, Byung Ha Kang | 2000-12-19 |
| 6113859 | Bar-type NO.sub.x gas sensor having WO.sub.3 sensing film | Tae Song Kim, Chong Hak Jung | 2000-09-05 |
| 6099917 | Pretreatment method for a substrate surface using ion beam radiation and nitride thin film forming method using thereof | Seok-Keun Koh, Won Kook Choi, Dong Hwa Kum, DongJin Byun | 2000-08-08 |
| 6059937 | Sensor having tin oxide thin film for detecting methane gas and propane gas, and process for manufacturing thereof | Seok-Keun Koh, Seok-Kyun Song, Won Kook Choi, DongSoo Choi, Jin-Seok Jeon | 2000-05-09 |
| 6051115 | Adhesive strength increasing method for metal thin film | Hong-Kyu Jang, Seok-Keun Koh, Won Kook Choi | 2000-04-18 |
| 5998323 | High frequency dielectric material | Hyun Jai Kim, Seok Jin Yoon, Ji Won Choi, Kucheiko Sergei | 1999-12-07 |
| 5989990 | Tinoxide thin film, preparation thereof, and gas detecting sensor using thereof | Seok-Keun Koh, Seok-Kyun Song, Won Kook Choi, DongSoo Choi, Jin-Seok Jeon | 1999-11-23 |
| 5965629 | Process for modifying surfaces of materials, and materials having surfaces modified thereby | Seok-Keun Koh, Won Kook Choi, Kyong Sop Han, Sik Sang Gam | 1999-10-12 |
| 5855683 | Thin film deposition apparatus | Seok-Keun Koh, Hong-Kyu Jang, Won Kook Choi | 1999-01-05 |
| 5820946 | Method for fabricating ferroelectric thin film | Tae Song Kim, Joon Han Kim, Dong-heon LEE, Jeon Kook Lee | 1998-10-13 |
| 5796079 | Rapid thermal processing method for ferroelectric, high dielectric, electrostrictive, semiconductive, or conductive ceramic thin film using microwaves | Tae Song Kim, Do-Kyung Kim, Yoon-Chang Kim | 1998-08-18 |
| 5783641 | Process for modifying surfaces of polymers, and polymers having surfaces modified by such process | Seok-Keun Koh, Seok-Kyun Song, Won Kook Choi, Young-Soo Yoon, Jun Sik Cho | 1998-07-21 |
| 5569632 | Compositions of high frequency dielectrics | Hyun Jai Kim, Kyong Y. Kim, Seok Jin Yoon, Sang Ok Yoon, Tetsuro Nakamura +2 more | 1996-10-29 |
| 5556816 | Methods for preparation of tetragonal zirconia polycrystal composites | Dae Joon KIM, Ju Woong Jang | 1996-09-17 |
| 5505870 | Piezoelectric ceramic-polymer composite material and method for preparing the same | Kwang Soo Yoo, Han-Sang Song, Hyun-Nam Cho | 1996-04-09 |
| 5487878 | Method for preparing perpendicularly magnetizable material usable on magnetic recording media | Young-Jei Oh, Jin-Ho Choy, Yang Su Han, Seung Wan Song | 1996-01-30 |
| 5446459 | Wide band type electromagnetic wave absorber | Kyung Yong Kim, Wang S. Kim, Yoon D. Ju | 1995-08-29 |