Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7247186 | Advanced erosion resistant carbonitride cermets | ChangMin Chun, Hyun-Woo Jin, Jayoung Koo, John R. Peterson, Robert Lee Antram +1 more | 2007-07-24 |
| 7175686 | Erosion-corrosion resistant nitride cermets | ChangMin Chun, Hyun-Woo Jin, Jayoung Koo, John R. Peterson, Robert Lee Antram +1 more | 2007-02-13 |
| 7175687 | Advanced erosion-corrosion resistant boride cermets | ChangMin Chun, Neeraj S. Thirumalai, Hyun-Woo Jin, Jayoung Koo, John R. Peterson +2 more | 2007-02-13 |
| 7153338 | Advanced erosion resistant oxide cermets | ChangMin Chun, Hyun-Woo Jin, Jayoung Koo, John R. Peterson, Robert Lee Antram +1 more | 2006-12-26 |
| 7074253 | Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance | ChangMin Chun, Hyun-Woo Jin, Jayoung Koo, John R. Peterson, Robert Lee Antram +1 more | 2006-07-11 |
| 7063752 | Grain refinement of alloys using magnetic field processing | Jayoung Koo, Shiun Ling, Michael J. Luton, Hans Thomann | 2006-06-20 |
| 7048810 | Method of manufacturing hot formed high strength steel | Clifford W. Petersen, Jayoung Koo, Michael J. Luton | 2006-05-23 |
| 6565678 | Weld metals with superior low temperature toughness for joining high strength, low alloy steels | Douglas P. Fairchild, Jayoung Koo, Mario L. Macia, Danny L. Beeson, Adnan Ozekcin | 2003-05-20 |
| 6264760 | Ultra-high strength, weldable steels with excellent ultra-low temperature toughness | Hiroshi Tamehiro, Hitoshi Asahi, Takuya Hara, Yoshio Terada, Michael J. Luton +2 more | 2001-07-24 |
| 6254698 | Ultra-high strength ausaged steels with excellent cryogenic temperature toughness and method of making thereof | Jayoung Koo, Glen A. Vaughn, Raghavan Ayer | 2001-07-03 |
| 6251198 | Ultra-high strength ausaged steels with excellent cryogenic temperature toughness | Jayoung Koo, Glen A. Vaughn | 2001-06-26 |
| 6248191 | Method for producing ultra-high strength, weldable steels with superior toughness | Michael J. Luton, Jayoung Koo, Clifford W. Petersen, Hiroshi Tamehiro, Hitoshi Asahi +2 more | 2001-06-19 |
| 6245290 | High-tensile-strength steel and method of manufacturing the same | Jayoung Koo, Michael J. Luton, Clifford W. Petersen, Kazuki Fujiwara, Shuji Okaguchi +2 more | 2001-06-12 |
| 6228183 | Ultra-high strength, weldable, boron-containing steels with superior toughness | Jayoung Koo, Michael J. Luton, Clifford W. Petersen, Hiroshi Tamehiro, Hitoshi Asahi +2 more | 2001-05-08 |
| 6224689 | Ultra-high strength, weldable, essentially boron-free steels with superior toughness | Jayoung Koo, Michael J. Luton, Clifford W. Petersen, Hiroshi Tamehiro, Hitoshi Asahi +2 more | 2001-05-01 |
| 6159312 | Ultra-high strength triple phase steels with excellent cryogenic temperature toughness | Jayoung Koo, Raghavan Ayer, Glen A. Vaughn | 2000-12-12 |
| 6066212 | Ultra-high strength dual phase steels with excellent cryogenic temperature toughness | Jayoung Koo | 2000-05-23 |
| 4835010 | Aluminide dispersed ferrite diffusion coating on austenitic stainless steel substrates | Richard C. Krutenat | 1989-05-30 |