Sung Gyo Chung
Inventor
Stats
- 1 US patents issued
- 1 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 1 US Patents Issued
- 1 US Applications Filed
- 0 Total Citation Count
- Jul 27, 2010 Most Recent Filing
- Jul 27, 2010 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| DONG-A UNIVERSITY RESEARCH FOUNDATION FOR INDUSTRY-ACADEMY COOPERATION | 2
| 2010
|
Inventor Addresses
| Address | Duration |
|---|---|
| Busan, KR | May 31, 12 - Sep 02, 14 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| E21B: | EARTH OR ROCK DRILLING | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 8820401 | 2014 | Oil-pressure type fixed piston sampler | 0 |
| 2012/0132,415 | 2012 | OIL-PRESSURE TYPE FIXED PISTON SAMPLER | 0 |
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