Hyoung Chul Choi
Inventor
Stats
- 2 US patents issued
- 2 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 2 US Patents Issued
- 2 US Applications Filed
- 16 Total Citation Count
- Aug 11, 2004 Most Recent Filing
- Jun 13, 2001 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| ICU RESEARCH AND INDUSTRIAL COOPERATION GROUP | 2
| 2004
|
| KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY | 2
| 2004
|
| SAMSUNG ELECTRONICS CO., LTD. | 2
| 2001
|
Inventor Addresses
| Address | Duration |
|---|---|
| Daejeon, KR | Apr 03, 07 - Apr 03, 07 |
| Daejeon-city, KR | Feb 17, 05 - Feb 17, 05 |
| Suwon, KR | Jul 08, 03 - Jul 08, 03 |
| Suwon-City, KR | Feb 28, 02 - Feb 28, 02 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B08B: | CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL | 1 |
| H03B: | GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 7199675 | 2007 | Source-injection parallel coupled LC-quadrature voltage controlled oscillator | 7 |
| 2005/0035,823 | 2005 | Source-injection parallel coupled LC-quadrature voltage controlled oscillator | 0 |
| 6589360 | 2003 | Drying system for drying semiconductor wafers and method of drying wafers using the same | 0 |
| 2002/0023,668 | 2002 | Drying system for drying semiconductor wafers and method of drying wafers using the same | 0 |
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