Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9362437 | Concentrated photovoltaic receiver module with improved optical light guide assembly | Sung-Sun Park, Ik Su Jun | 2016-06-07 |
| 5827125 | Golf putting practice device | — | 1998-10-27 |
| 5827126 | Golf putting practice device | — | 1998-10-27 |
| D385937 | Golf ball putting aid | — | 1997-11-04 |
| D376635 | Golf ball putting aid | — | 1996-12-17 |
| 5584768 | Golf ball putting aid | — | 1996-12-17 |
| D367909 | Golf putting practice aid for use on a golf putter | — | 1996-03-12 |
| 5478078 | Golf putting practice device for use on a golf putter | — | 1995-12-26 |
| 5435547 | Golf putting practice device | — | 1995-07-25 |