CHO HYUN SAM has a total of 11 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets machine tools, materials and metallurgy and machines are KOBAYASHI YOSHINOBU, SUMITOMO DENKO SHOKETSU GOKIN KK and HENAN JINGRUI SUPERHARD MATERIAL CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 5 | |
#2 | WIPO (World Intellectual Property Organization) | 3 | |
#3 | EPO (European Patent Office) | 1 | |
#4 | United Kingdom | 1 | |
#5 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Materials and metallurgy | |
#3 | Machines |
# | Technology | |
---|---|---|
#1 | Turning | |
#2 | Working metallic powder | |
#3 | Alloys | |
#4 | Shaping of plastics | |
#5 | Metal-working | |
#6 | Unspecified technologies | |
#7 | Grinding tools | |
#8 | Producing goods from plastic | |
#9 | Making metal sheets | |
#10 | Punching metal |
# | Name | Total Patents |
---|---|---|
#1 | Cho Hyun Sam | 10 |
#2 | Han Kyung Ryul | 5 |
#3 | Song Ki Jeon | 4 |
#4 | Jung Goo Sang | 1 |
#5 | Nam Jung Jae | 1 |
#6 | Kim Yong I | 1 |
#7 | Han Kyoung R | 1 |
#8 | Lee Bong Kyu | 1 |
#9 | Lee Ki Wooung | 1 |
#10 | Park Jung Ho | 1 |
Publication | Filing date | Title |
---|---|---|
KR20160052468A | Press for molded o-ring | |
KR20160052081A | Press for molded o-ring | |
KR20160052072A | Press for molded o-ring | |
KR20160051437A | Press for molded o-ring | |
KR101287014B1 | Apparatus for mold supporting of forming press for large size o-ring | |
GB0918890D0 | Contoured PCD and PCBN for twist drill tips and end mills and methods of forming the same | |
WO2008014003A2 | Polycrystalline superabrasive composite tools and methods of forming the same | |
EP1877223A2 | Double-sided and multi-layered pcbn and pcd abrasive articles | |
WO2005025805A1 | Doubled-sided and multi-layered pcd and pcbn abrasive articles | |
US5620382A | Diamond golf club head |