DUCKHEUNG CO LTD has a total of 12 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2011. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets machine tools, mechanical elements and semiconductors are CHANGZHOU JIN AN METALLURG EQUIPMENT CO LTD, JINAN FIRST MACHINE TOOL GROUP CO LTD and TIANSHUI SPARK MACHINE TOOL CO.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 12 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Mechanical elements | |
#3 | Semiconductors | |
#4 | Control | |
#5 | Materials and metallurgy |
# | Technology | |
---|---|---|
#1 | Accessories for machine tools | |
#2 | Grinding or polishing devices | |
#3 | Turning | |
#4 | Gearing | |
#5 | Thread cutting | |
#6 | Sawing | |
#7 | Control or regulating systems | |
#8 | Shafts | |
#9 | Metal tempering | |
#10 | Semiconductor devices |
# | Name | Total Patents |
---|---|---|
#1 | Moon Hong Man | 12 |
#2 | Kim Ki Jeong | 5 |
#3 | Kim Sang Won | 5 |
#4 | Shin Hyun Sung | 4 |
#5 | Kim Gab Yung | 4 |
#6 | Shin Hyeon Seong | 3 |
#7 | Kim Gab Young | 3 |
#8 | Lee Sun Ju | 2 |
#9 | Shin Sung Geun | 1 |
#10 | Lee Myung Hoon | 1 |
Publication | Filing date | Title |
---|---|---|
KR20200062613A | Apparatus for preventing deflection of ball screw and method therefor | |
KR20190142909A | Apparatus for manufacturing screw and method for monitoring cutting tool | |
KR101954360B1 | Ball screw process pivoting device having clamping structure | |
KR20190032698A | Annealing device for both ends of ball screw | |
KR101857272B1 | Clamping structure of screw processing apparatus | |
KR20180057223A | Apparatus for processing serew having following vibration reduction structure | |
KR20180057222A | Apparatus for protecting deflection of ball screw | |
KR101635310B1 | Cylindrical grinder having linear motor transfer device and shielded heating structure | |
KR101554212B1 | Cylindrical grinder having linear motor transfer device | |
KR101450125B1 | Cylindrical grinding machine | |
KR20120088292A | Buffing spindle having dust collecting function | |
KR20120083603A | Rotary type vacuum table |