Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11687321 | System and method for valuating patent using multiple regression model and system and method for building patent valuation model using multiple regression model | Jung Ae Kwak, Sang Youp Song | 2023-06-27 |
| D710437 | Battery case for a guitar | — | 2014-08-05 |
| D709123 | Guitar saddle | — | 2014-07-15 |
| 8143783 | Display apparatus | Moon Soo Nho | 2012-03-27 |
| 7663043 | Display device for guitar tuners and method of displaying tuned states of guitar strings using the same | — | 2010-02-16 |
| D592697 | Brace bar for sound board of a guitar | — | 2009-05-19 |
| D581970 | Brace bar for sound board of a guitar | — | 2008-12-02 |
| 7164072 | Brace bar for sound board of guitar | — | 2007-01-16 |
| D516113 | Soundhole cover for guitar or the like | — | 2006-02-28 |
| D508517 | Bridge for a guitar | — | 2005-08-16 |
| D502495 | Soundhole cover for a guitar or the like | — | 2005-03-01 |
| D502206 | Bridge for a guitar | — | 2005-02-22 |
| 6818814 | Bridge for guitars | — | 2004-11-16 |
| 6444042 | Gas injection system for chemical vapor deposition device | Seung Yoon Yang, Jong-Woo Yoon, Chang Jae Kim, Tanigawa Eiki | 2002-09-03 |
| 6323406 | Guitar stand | — | 2001-11-27 |
| D444806 | Bridge for guitar | — | 2001-07-10 |
| D430593 | Soundhole cover for guitar | — | 2000-09-05 |
| D430592 | Soundhole cover for guitar | — | 2000-09-05 |
| 6091784 | Method and apparatus for constant envelope quadrature amplitude modulation | Woo-Hyung Lee | 2000-07-18 |
| D425106 | Fingerboard for guitar | — | 2000-05-16 |
| D424097 | Neck assembly for guitar | — | 2000-05-02 |
| 6025575 | Heating apparatus for chemical vapor deposition equipment | Chang Jae Kim, Jong Sik Kim, Dong-Hyun Kang, Seong Jae PARK | 2000-02-15 |
| D412012 | Bridge for a guitar | — | 1999-07-13 |
| 5920237 | Constant envelope quadrature-quadrature amplitude modulation system | Woo-Hyung Lee | 1999-07-06 |
| D411856 | Knob for tuning a guitar string | — | 1999-07-06 |