| No. | Title of Patent | Registration No. | Patent Owner | Inventor |
|---|---|---|---|---|
| 1 | Automated production line for surface hardening heat treatment | 10-0597238 | Daesung Total HeatTreatment Co., Ltd. | Park Jong-Kyu |
| 2 | High frequency induction heating method of rocker arm shaft. Heat treatment equipment and method |
10-0597237 | Daesung Total HeatTreatment Co., Ltd. | Park Jong-Kyu |
| 3 | High frequency induction heating method and heat treatment equipment | 10-0752224 | Daesung Total HeatTreatment Co., Ltd. | Park Jong-Kyu |
| 4 | High frequency heat treatment equipment of pitch rack | 10-1284843 | Daesung Total HeatTreatment Co., Ltd. | Park Jong-Kyu/Kim Ok-Hee |
| 5 | High frequency heat treatment method of pitch rack guide | 10-1265275 | Daesung Total HeatTreatment Co., Ltd. | Park Jong-Kyu/Kim Ok-Hee |
| 6 | Induction heating method of car VGR rack bar | 10-1409002 | Daesung Total HeatTreatment Co., Ltd. | Park Jong-Kyu |
| 7 | Calibration equipment for the high frequency heat treatment object | 10-1439511 | Daesung Total HeatTreatment Co., Ltd. | Park Jong-Kyu |
| 8 | Automated high frequency hardening equipment of rail shaft | 10-1535798 | Daesung Total HeatTreatment Co., Ltd. | Park Jong-Kyu |
| 9 | Heat treatment equipment and method of armature shaft | 10-1551884 | Daesung Total HeatTreatment Co., Ltd. | Park Jong-Kyu |
| 10 | High frequency heat treatment equipment of ball stud using non-oxidizing tank | 10-1568320 | Daesung Total HeatTreatment Co., Ltd. | Kim Ok-Hee |
| 11 | High frequency heat treatment equipment of inner sun shaft | 10-1675572 | Daesung Total HeatTreatment Co., Ltd. | Park Jong-Kyu |
| 12 | High frequency annealing treatment method of ball stud | 10-1687347 | Daesung Total HeatTreatment Co., Ltd., Academic-Industrial Cooperation Corp of Tongmyong University |
Choi Gab-Seung/Park Jong-Kyu |
| 13 | High frequency heat treatment equipment of ball stud | 10-1735503 | Daesung Total HeatTreatment Co., Ltd., Academic-Industrial Cooperation Corp of Tongmyong University |
Son Il-Boon/Park Jong-Kyu |
| 14 | High frequency heat treatment equipment of front hub | 10-1736881 | Daesung Total HeatTreatment Co., Ltd., | Park Jong-Kyu |
| 15 | Eddy current testing high frequency heat treatment equipment | 10-1798596 | Daesung Total HeatTreatment Co., Ltd. | Park Jong-Kyu |
| 16 | High frequency heat treatment equipment for optimal hardening of output flange | 10-1805806 | Daesung Total HeatTreatment Co., Ltd., Tongmyong University |
Choi Gab-Seung/Park Jong-Kyu |
| 17 | High frequency heat treatment method for optimal hardening of output flange | 10-1806431 | Daesung Total HeatTreatment Co., Ltd., Tongmyong University |
Choi Gab-Seung/Park Jong-Kyu |
| 18 | High frequency heat treatment device of shaft | 10-2065757 | Daesung Co., Ltd., | Park Jong-Kyu |
| 19 | High frequency heat treatment device of shaft for preventing malfunction | 10-2080575 | Daesung Co., Ltd., | Park Jong-Kyu |
KOR
JPN
CHN