Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422392 | Gas sensor device based on metal oxide foam | Hyeji Park, Hee Chul Lee, Gigap Han | 2025-09-23 |
| 12319570 | Method of making aluminum nitride foam | Kyungju Nam | 2025-06-03 |
| 12275067 | Fabrication of three-dimensional porous electrode | Hyeji Park, Hyelim Choi | 2025-04-15 |
| 12232305 | Reducing electromagnetic waves using lightweight metal foam | Gigap Han, Kaiwen Tseng | 2025-02-18 |
| 11919080 | Method of making copper-nickel alloy foams | Kicheol Hong, Hyeji Park, Sukyung Lee, Youngseok Song, Gigap Han +1 more | 2024-03-05 |
| 11913092 | Magnesium-based alloy foam | Kicheol Hong, Hyeji Park, Teakyung Um | 2024-02-27 |
| 11658308 | Fuel cells and method of manufacturing | Yong-Hun Cho, Hyelim Choi, Ok Hee Kim, Yung-Eun Sung | 2023-05-23 |
| 11642723 | Metallic foam anode coated with active oxide material | Hyeji Park, Hyelim Choi, Yumi Rho | 2023-05-09 |
| 10978715 | Fuel cells and method of manufacturing | Yong-Hun Cho, Hyelim Choi, Ok Hee Kim, Yung-Eun Sung | 2021-04-13 |
| 10906098 | Fabrication of three-dimensional porous anode electrode | Hyeji Park, Hyelim Choi | 2021-02-02 |
| 10343213 | Metallic foam anode coated with active oxide material | Hyeji Park, Hyelim Choi, Yumi Rho | 2019-07-09 |
| 10265773 | Metal foam for electrode of secondary lithium battery, preparing method thereof, and secondary lithium battery including the metal foam | Ji-Hyun Um, Hyeji Park, Myounggeun Choi, Hyelim Choi, Yong-Hun Cho +1 more | 2019-04-23 |
| 8616089 | Method of making an earth-boring particle-matrix rotary drill bit | John H. Stevens, Eric C. Sullivan | 2013-12-31 |
| 8230762 | Methods of forming earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials | John H. Stevens, James C. Westhoff, Jimmy W. Eason, James L. Overstreet | 2012-07-31 |
| 8201648 | Earth-boring particle-matrix rotary drill bit and method of making the same | John H. Stevens, Eric C. Sullivan | 2012-06-19 |
| 8074750 | Earth-boring tools comprising silicon carbide composite materials, and methods of forming same | John H. Stevens, James L. Overstreet, Jimmy W. Eason, James C. Westhoff | 2011-12-13 |
| 7913779 | Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits | John H. Stevens, James C. Westhoff, Jimmy W. Eason, James L. Overstreet | 2011-03-29 |
| 7807099 | Method for forming earth-boring tools comprising silicon carbide composite materials | John H. Stevens, James C. Westhoff, Jimmy W. Eason, James L. Overstreet | 2010-10-05 |
| 7784567 | Earth-boring rotary drill bits including bit bodies comprising reinforced titanium or titanium-based alloy matrix materials, and methods for forming such bits | John H. Stevens, James L. Overstreet, James C. Westhoff, Jimmy W. Eason | 2010-08-31 |
| 7745013 | Solder foams, nano-porous solders, foamed-solder bumps in chip packages, methods of assembling same, and systems containing same | Daewoong Suh | 2010-06-29 |