Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8094473 | Bridgeless power factor correction circuit | Gun Woo Moon, Dong-Wook Lee, Kyu Min Cho, Seong Wook Choi, Don Sik Kim +3 more | 2012-01-10 |
| 8062395 | Adjuvant for CMP slurry | Gi Ra Yi, Young Jun Hong | 2011-11-22 |
| 8029754 | Cerium oxide powder and process for producing the same | Jun Seok Nho, Jang-Yul Kim, Myoung-Hwan Oh, Seung Beom Cho | 2011-10-04 |
| 7976810 | Method for preparing cerium carbonate powder | Myoung-Hwan Oh, Seung Beom Cho, Jun Seok Nho, Jang-Yul Kim | 2011-07-12 |
| 7969752 | Switching power supply device using current sharing transformer | Sang Cheol Bong, Tae Young Ahn, Don Sik Kim, Hak Ryong Kim, Myung Hyun Sung +4 more | 2011-06-28 |
| 7954450 | Optical fiber coating apparatus for preventing generation of bubble in coating layer of optical fiber and method of coating optical fiber using the same | Young-Il Kwon, Young Gyu Yang, Sang-Joon Bae, Dong Young Kim | 2011-06-07 |
| 7915109 | Semiconductor probe structure using impact-ionization metal oxide semiconductor device, information storing device therewith and manufacturing method thereof | Hyoung-soo Ko, Byung-Gook Park, Seung-bum Hong, Chul-min Park, Woo Young Choi +2 more | 2011-03-29 |
| 7867461 | Method for preparing of cerium oxide powder for chemical mechanical polishing and method for preparing of chemical mechanical polishing slurry using the same | Myoung-Hwan Oh, Jun Seok Nho, Jang-Yul Kim, Seung Beom Cho, Min Jin Ko | 2011-01-11 |
| 7742319 | Transformer having resonant inductance | Don Sik Kim, Gun Woo Moon, Kyu Min Cho, Young Do Kim, In Ho Cho +4 more | 2010-06-22 |
| 7736530 | CMP slurry and method for polishing semiconductor wafer using the same | Seung Beom Cho, Jun Seok Nho, Myoung-Hwan Oh, Jang-Yul Kim | 2010-06-15 |
| 7700393 | Method of manufacturing enhancement type semiconductor probe and information storage device having the semiconductor probe using the same | Hyoung-soo Ko, Byung-Gook Park, Seung-bum Hong, Chul-min Park, Woo Young Choi +2 more | 2010-04-20 |
| 7682584 | Cerium carbonate powder, cerium oxide powder, method for preparing the same, and CMP slurry comprising the same | Myoung-Hwan Oh, Jun Seok Nho, Jang-Yul Kim, Seung Beom Cho | 2010-03-23 |
| 7674716 | Adjuvant for chemical mechanical polishing slurry | Gi Ra Yi, Jung Hee Lee, Jeong Jin Hong, Young Jun Hong, No Ma Kim +1 more | 2010-03-09 |
| 7524475 | Cerium oxide powder for one-component CMP slurry, preparation method thereof, one-component CMP slurry composition comprising the same, and method of shallow trench isolation using the slurry | Seung Beom Cho, Jun Seok Nho, Dong Mok Shin, Myoung-Hwan Oh, Jang-Yul Kim +2 more | 2009-04-28 |
| 5967936 | Automatic variable transmission and hydraulic control system thereof | Yeong-Soo Cho | 1999-10-19 |
| D396022 | Automobile | — | 1998-07-14 |
| 5594427 | Apparatus for and method of remote controlling operation of vibration roller | Byung-Hak Kim, Cheoul H. Ahn, Tae H. Kim, Do-Hwan Choi | 1997-01-14 |
| 5452278 | Disc recognizing method for an optical disc playback apparatus | Seok-Chun Kwon, Tae Jeon Kwon | 1995-09-19 |