Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8405932 | HAMR recording head having a sloped wall pole | Michael Allen Seigler, Sharat Batra, Hua Zhou, Thomas William Clinton, Jie Gong | 2013-03-26 |
| 8289650 | HAMR recording head having a sloped wall pole | Michael Allen Seigler, Sharat Batra, Hua Zhou, Thomas William Clinton, Jie Gong | 2012-10-16 |
| 7929249 | Spring loaded head for reduced fly height and tracking control | Michael Allen Seigler | 2011-04-19 |
| 7839497 | Phase compensator for coupling an electromagnetic wave into an optical condenser | Tim Rausch, Michael Allen Seigler, Edward Charles Gage, William Albert Challener, Chubing Peng | 2010-11-23 |
| 7518815 | Heat assisted magnetic recording head with multilayer electromagnetic radiation emission structure | Michael Allen Seigler | 2009-04-14 |
| 7447140 | Ferroelectric probe storage apparatus | Mark Ian Lutwyche, Earl Chrzaszcz Johns, Martin Gerard Forrester, Mark David Bedillion, Andreas Roelofs +4 more | 2008-11-04 |
| 7412143 | Heat assisted magnetic recording with heat profile shaping | Julius K. Hohlfeld, William Albert Challener, Chubing Peng, Edward Charles Gage | 2008-08-12 |
| 7099121 | Perpendicular magnetic recording head having a reduced field under the return pole and minimal eddy current losses | Gregory John Parker, Thomas M. Crawford, Petrus Antonius Van Der Heijden, Sharat Batra | 2006-08-29 |
| 7038882 | Low moment-high moment write pole with non-magnetic layer for establishing a magnetic path discontinuity between layers of the write pole | Billy W. Crue, Jr., Erik Svedberg, Dmitri Litvinov, Sakhrat Khizroev | 2006-05-02 |
| 6985339 | Disc drive having electromagnetic biased shieldless CPP reader | Michael Allen Seigler, Gregory John Parker, Sharat Batra, Jonathan Hannay, Petrus Antonius Van Der Heijden | 2006-01-10 |
| 6898053 | Perpendicular recording head with trackwidth defined by plating thickness | Sakhrat Khizroev, Dmitri Litvinov, Bill Crue, Nurul Amin | 2005-05-24 |
| 6807032 | Magnetic read head wherein the shields are used as electrical leads and have a minimized anisotropic magneto-resistance effect | Michael Allen Seigler, Isabel G. Trindade, Petrus Antonius Van Der Heijden, Michael Minor, Mark William Covington +2 more | 2004-10-19 |
| 6687085 | Perpendicular write head with high magnetization pole material and method of fabricating the write head | Michael Minor, Michael Allen Seigler, Andrew Robert Eckert, Mark William Covington | 2004-02-03 |
| 6665136 | Recording heads using magnetic fields generated locally from high current densities in a thin film wire | Thomas William Clinton, Michael Allen Seigler | 2003-12-16 |
| 6633464 | Synthetic antiferromagnetic pinned layer with Fe/FeSi/Fe system | Chih-Huang Lai, Zhupei Shi, Hua-Ching Tong, Charles W. Miller | 2003-10-14 |
| 6621664 | Perpendicular recording head having integrated read and write portions | Isabel G. Trindade, Gregory John Parker, Sharat Batra | 2003-09-16 |
| 6594112 | Magnetic recording head with a precision throatheight-defining structure | Billy W. Crue, Jr. | 2003-07-15 |
| 6445553 | Method and system for fabricating a high density magnetoresistive device | Ronald A. Barr | 2002-09-03 |
| 6417999 | Magnetoresistive head stabilized structure and method of fabrication thereof | Kenneth E. Knapp, Ronald A. Barr, Chih-Huang Lai | 2002-07-09 |
| 6404601 | Merged write head with magnetically isolated poletip | Jian Zhu, Kyusik Sin, Ronald A. Barr | 2002-06-11 |
| 6392850 | Magnetoresistive transducer having a common magnetic bias using assertive and complementary signals | Hua-Ching Tong, Francis H. Liu, Minshen Tan, Jian Zhu, Samuel W. Yuan | 2002-05-21 |
| 6330137 | Magnetoresistive read sensor including a carbon barrier layer and method for making same | Kenneth E. Knapp, Francis W. Ryan | 2001-12-11 |
| 6219205 | High density giant magnetoresistive transducer with recessed sensor | Samuel W. Yuan | 2001-04-17 |
| 6201673 | System for biasing a synthetic free layer in a magnetoresistance sensor | Jain Zhu, Kenneth E. Knapp, Yiming Huai | 2001-03-13 |
| 5986978 | Read/write head and method for magnetic reading and magneto-optical writing on a data storage medium | Charles C. Cheng, Xizeng Shi, Lijun Tong, Hua-Ching Tong | 1999-11-16 |