| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 12 | |
| #2 | Japan | 1 | |
| #3 | Malaysia | 1 | |
| #4 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Packaging and shipping | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Making metal sheets | |
| #2 | Handling thin material | |
| #3 | Grinding or polishing devices | |
| #4 | Soldering, welding and flame cutting | |
| #5 | Sawing | |
| #6 | Cutting | |
| #7 | Rolling metal | |
| #8 | Furniture for children | |
| #9 | Grinding tools | |
| #10 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ahn Eung Soon | 9 |
| #2 | Ahn Eung Sun | 4 |
| #3 | An Un Sun | 1 |
| #4 | Soon Ahn Eung | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR100806775B1 | Uncoiler of single type | |
| KR20080050034A | Apparatus for welding of iron strip for manufacturing of steel pipe | |
| KR100813570B1 | Cut off machine for pipe | |
| KR100655476B1 | Rotary type looper | |
| KR100646353B1 | Apparatus for automatic pipe packing of magnet type | |
| KR100646352B1 | Apparatus for automatic pipe packing of fork type | |
| KR100649652B1 | Apparatus for welding of iron strip for manufacturing of steel pipe | |
| TW200609050A | Rotary type looper | |
| JP2005015231A | Rotary type looper | |
| MY141777A | Rotary type looper | |
| KR20040041396A | A Metal Pipe Product System | |
| KR20040037988A | A Uncoiler | |
| KR20040037832A | A Rotary Type Looper | |
| KR20040037833A | A Grinding Processing Apparatus And Processing Method For Metal Pipe |