Dong Hahk Lee
Inventor
Stats
- 9 US patents issued
- 14 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 9 US Patents Issued
- 14 US Applications Filed
- 416 Total Citation Count
- Jul 11, 2013 Most Recent Filing
- Jun 21, 2002 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE | 1
| 2007
|
| SK TECHX CO., LTD. | 2
| 2007
|
| SK TELECOM | 1
| 2007
|
| SK TELECOM CO., LTD. | 6
1 2 3 3 4 | 2002
2003 2007 2008 2011 2013 |
Inventor Addresses
| Address | Duration |
|---|---|
| Gyeonggi-do, KR | Mar 27, 03 - May 14, 13 |
| Korea, KR | Mar 04, 04 - Mar 04, 04 |
| Seoul, KR | Nov 25, 10 - Aug 23, 16 |
| Sungnam-si, KR | Jan 02, 03 - Apr 13, 10 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| G06F: | ELECTRIC DIGITAL DATA PROCESSING | 4 |
| G06K: | RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS | 1 |
| G09B: | EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS | 2 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 9424251 | 2016 | Method for extracting semantic distance from mathematical sentences and classifying mathematical sentences by semantic distance, device therefor, and computer readable recording medium | 0 |
| 9372828 | 2016 | Method and device for inputting equation | 1 |
| 2013/0295,537 | 2013 | MATHEMATICS EDUCATION SERVICE SYSTEM, SERVICE METHOD THEREOF, APPARATUS FOR ANALYZING AND GENERATING MATHEMATICAL PROBLEMS, AND METHOD THEREOF | 2 |
| 2013/0290,390 | 2013 | METHOD AND DEVICE FOR INPUTTING EQUATION | 3 |
| 2013/0275,122 | 2013 | METHOD FOR EXTRACTING SEMANTIC DISTANCE FROM MATHEMATICAL SENTENCES AND CLASSIFYING MATHEMATICAL SENTENCES BY SEMANTIC DISTANCE, DEVICE THEREFOR, AND COMPUTER READABLE RECORDING MEDIUM | 14 |
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