Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8164855 | Method and system for providing a write pole in an energy assisted magnetic recording disk drive | Matthew R. Gibbons, Kroum S. Stoev, Adam F. Torabi, Lijie Guan | 2012-04-24 |
| 7869160 | Perpendicular recording head with shaped pole surfaces for higher linear data densities | Tao Pan, Kroum S. Stoev, Jack M. Chue | 2011-01-11 |
| 7688546 | Perpendicular magnetic recording head having nonmagnetic insertion layers | Zhigang Bai, Peng Luo, Kroum S. Stoev, Francis H. Liu, Adam F. Torabi | 2010-03-30 |
| 7660080 | Read/write head with dynamic flying height control by magnetostriction | Francis H. Liu, Kroum S. Stoev | 2010-02-09 |
| 7443632 | Magnetic head with stitched top pole layer and single layer coil or solenoidal coil | Kroum S. Stoev, Francis H. Liu | 2008-10-28 |
| 7375926 | Inductive writer design using a soft magnetic pedestal having a high magnetic saturation layer | Kroum S. Stoev, Francis H. Liu, Yingjian Chen | 2008-05-20 |
| 7337530 | Method for manufacturing a shielded pole magnetic head for perpendicular recording | Kroum S. Stoev, Francis H. Liu | 2008-03-04 |
| 7310204 | Inductive writer design for using a soft magnetic pedestal having a high magnetic saturation layer | Kroum S. Stoev, Francis H. Liu, Yingjian Chen | 2007-12-18 |
| 7248433 | Magnetic head with stitched top pole layer and single layer coil or solenoidal coil | Kroum S. Stoev, Francis H. Liu | 2007-07-24 |
| 7193815 | Shielded pole magnetic head for perpendicular recording | Kroum S. Stoev, Francis H. Liu | 2007-03-20 |
| 7126788 | Trailing edge recording magnetic head with reversed double bias coil and deflection pole for perpendicular recording with a non-perpendicular write field | Francis H. Liu, Kroum S. Stoev | 2006-10-24 |
| 7126790 | Magnetic head for perpendicular recording with magnetic loop providing non-perpendicular write field | Francis H. Liu, Kroum S. Stoev | 2006-10-24 |
| 7116517 | Stitched pole write element with a T-shaped pole tip portion | Qing He, Hirohiko Kamimura, Shuhei Otani, David J. Seagle | 2006-10-03 |
| 7113366 | Double-nosed inductive transducer with reduced off-track writing | Kroum S. Stoev, Francis H. Liu, Yingjian Chen | 2006-09-26 |
| 6912106 | Writer with a hot seed zero throat and substantially flat top pole | Yingjian Chen, Qing He, Kroum S. Stoev, Francis H. Liu, Xiaozhong Dang | 2005-06-28 |
| 6906894 | Write head having a recessed, magnetic adjunct pole formed atop a main pole, and method of making the same | Yingjian Chen, Xiaozhong Dang, Francis H. Liu, Kroum S. Stoev, Hai Jiang +1 more | 2005-06-14 |
| 6809899 | Magnetic heads for perpendicular recording with trapezoidal pole tips | Yingjian Chen, Francis H. Liu, Xizeng Shi, Kyusik Sin, Hugh C. Hiner | 2004-10-26 |
| 6791793 | Perpendicular recording write head having a recessed magnetic adjunct pole and method of making the same | Yingjian Chen, Xiaozhong Dang, Francis H. Liu, Kroum S. Stoev, Hai Jiang +1 more | 2004-09-14 |
| 6754049 | Transducers for perpendicular recording with inductive cancellation at MR sensor | David J. Seagle | 2004-06-22 |
| 6724572 | Inductive transducer with recessed leading pole layer | Kroum S. Stoev, Francis H. Liu, Yingjian Chen, Xiaozhong Dang | 2004-04-20 |
| 6721138 | Inductive transducer with stitched pole tip and pedestal defining zero throat height | Yingjian Chen, Xizeng Shi, Hugh C. Hiner, Zi-Wen Dong, Francis H. Liu +4 more | 2004-04-13 |
| 6404706 | Laser mounting for a thermally assisted GMR head | Ross W Stovall, Carl J. Carlson | 2002-06-11 |
| 6377535 | High numerical aperture optical focusing device having a conical incident facet and a parabolic reflector for use in data storage systems | Hong Chen, Chuan He, Carl J. Carlson, Joseph J. Miceli, Charles C. Cheng | 2002-04-23 |
| 6229782 | High numerical aperture optical focusing device for use in data storage systems | Chuan He, Hong Chen, Joseph J. Miceli, Charles C. Cheng, Ross W Stovall | 2001-05-08 |
| 6130863 | Slider and electro-magnetic coil assembly | Jimmy Shen, Howie Trang, Marcus H. Barnes | 2000-10-10 |