KOREA TUNGSTEN CO LTD has a total of 16 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Republic of Korea, Japan and China. Its main competitors in its focus markets machine tools, machines and semiconductors are VALENITE LLC, FUTURMILL INC and O K TOOL CO INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 9 | |
#2 | Japan | 3 | |
#3 | China | 2 | |
#4 | United Kingdom | 1 | |
#5 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Machines | |
#3 | Semiconductors | |
#4 | Materials and metallurgy | |
#5 | Measurement | |
#6 | Surface technology and coating | |
#7 | Environmental technology | |
#8 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Milling | |
#2 | Unspecified technologies | |
#3 | Alloys | |
#4 | Semiconductor devices | |
#5 | Clutches and brakes | |
#6 | Climate change mitigation in goods production | |
#7 | Analysing materials | |
#8 | Turning | |
#9 | Rolling metal | |
#10 | Metallic material removal |
# | Name | Total Patents |
---|---|---|
#1 | Choi Chang Hee | 3 |
#2 | Park Man Gyo | 3 |
#3 | Park Hong-Sik | 2 |
#4 | Lee Kun-Woo | 2 |
#5 | Choe Duk-Soon | 2 |
#6 | Lee Sang Wook | 2 |
#7 | Cho Ki-Hong | 2 |
#8 | Kim Kwang-Joo | 2 |
#9 | Yan Hiyon | 1 |
#10 | Park Hong-Shik | 1 |
Publication | Filing date | Title |
---|---|---|
JPH1060553A | Production of cu-w alloy substrate for heat radiation plate of semiconductor element | |
JPH1046282A | Cemented carbide for wristwatch and ornament | |
CN1172168A | Ultra-hard alloy for wrist watch and decoration | |
KR0151894B1 | Method for recovering tungsten from powder scrap | |
KR0151895B1 | Pretreatment of cutting tool | |
KR0142934B1 | Cemented tungsten carbide of wrist watch part | |
KR0149706B1 | Free carbon analyzing method of carbonized tungsten | |
KR0120612B1 | Throwaway type cutting insert | |
KR970008042B1 | Method of manufacturing sintered alloy | |
KR970010912B1 | Endmilling insert | |
KR970001524B1 | Process for the preparation of silicon carbide powder | |
KR950013505B1 | Cutting insert |