| 12195837 |
Cutting tool with hard coating film formed thereon |
Jin-han GWON, Je-Hun Park |
2025-01-14 |
| 11376675 |
Cutting tool having partially-removed film formed thereon |
Je-Hun Park, Kyung-Il Kim, Sung Hyun Kim, Sung Gu Lee, Sun-Yong Ahn |
2022-07-05 |
| 11359272 |
Hard film having excellent wear resistance and toughness |
Je-Hun Park, Seong Mo Park, Jin-han GWON, Kyoung Il Kim, Beom Sik Kim +1 more |
2022-06-14 |
| 11141801 |
Cutting tool having partially-removed film formed thereon |
Je-Hun Park, Kyung-Il Kim, Sung Hyun Kim, Sung Gu Lee, Sun-Yong Ahn |
2021-10-12 |
| 11123803 |
Cutting insert for hard-to-cut material |
Sung Gu Lee, Se Ung OH |
2021-09-21 |
| 10738376 |
Hard coating for cutting tool |
Je-Hun Park, Beom Sik Kim, Kyoung Il Kim, Dong Youl Lee, Sun-Yong Ahn +1 more |
2020-08-11 |
| 9855608 |
Hard coating film for cutting tools |
Je-Hun Park, Sung Gu Lee, Seoun-Yong Ahn, Young Heum Kim |
2018-01-02 |
| 9422627 |
Hard film for cutting tool |
Jae-Hoon Kang, Je-Hun Park, Sung Hyun Kim, Jung Wook Kim, Sung Gu Lee +2 more |
2016-08-23 |
| 9394601 |
Hard film for cutting tool |
Je-Hun Park, Jae-Hoon Kang, Sung Hyun Kim, Jung Wook Kim, Sung Gu Lee +2 more |
2016-07-19 |
| 9273388 |
Hard film for cutting tool |
Je-Hun Park, Jae-Hoon Kang, Sung Hyun Kim, Sung Gu Lee, Jung Wook Kim +2 more |
2016-03-01 |
| 8507109 |
Multi-layer hard file for indexable insert |
Hyung Kwun Kim, Jae-Hoon Kang, Jung Wook Kim, Sun-Yong Ahn |
2013-08-13 |