Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411403 | Method of making a hard disk drive write pole using a tri-tone attenuated phase shift mask | Xianzhong Zeng, Yi Zheng, Ming Jiang | 2025-09-09 |
| 9412398 | Shield with uniform magnetic properties for a perpendicular magnetic recording head | Wen-Chien David Hsiao, Quan-chiu Harry Lam, Ning Shi | 2016-08-09 |
| 8547660 | Magnetic write head manufactured by an enhanced damascene process producing a tapered write pole with a non-magnetic spacer and non-magnetic bump | Amanda Baer, Yingjian Chen, Andrew Chiu, Liubo Hong, Wen-Chien David Hsiao +8 more | 2013-10-01 |
| 8498078 | Magnetic head with flared write pole having multiple tapered regions | Liubo Hong, Aron Pentek, Thomas J. A. Roucoux, Sue Siyang Zhang, Yi Zheng | 2013-07-30 |
| 8453317 | Magnetic write head fabrication with integrated electrical lapping guides | Jennifer Ai-Ming Leung, Aron Pentek, Thomas J. A. Roucoux | 2013-06-04 |
| 8218263 | Write head with different upper and lower yoke lengths and methods for making the same | Wen-Chien David Hsiao, Edward Hin Pong Lee, Jennifer Ai-Ming Leung, Vladimir Nikitin | 2012-07-10 |
| 8201320 | Method for manufacturing a magnetic write head having a wrap around shield that is magnetically coupled with a leading magnetic shield | Yingjian Chen, Andrew Chiu, Liubo Hong, Wen-Chien David Hsiao, Edward H. P. Lee +6 more | 2012-06-19 |
| 7933096 | Layered return poles for magnetic write heads | Hieu Lam, Terence Lam, Steve C. Puga | 2011-04-26 |
| 7748103 | Method of manufacturing a perpendicular magnetic recording write head with notched trailing shield | Amanda Baer, Michael Feldbaum, Wen-Chien David Hsiao, Vladimir Nikitin, Aron Pentek +1 more | 2010-07-06 |
| 7612963 | Perpendicular magnetic recording head with photoresist dam between write coil and air bearing surface | Edward Hin Pong Lee, Jennifer Ai-Ming Leung | 2009-11-03 |
| 7576951 | Perpendicular magnetic write head having a magnetic write pole with a concave trailing edge | Amanda Baer, Michael Feldbaum, Hung-Chin Guthrie, Wen-Chien David Hsiao, Yimin Hsu +7 more | 2009-08-18 |
| 7509729 | Method for making a perpendicular magnetic recording write head | Amanda Baer, Michael Feldbaum, Hung-Chin Guthrie, Aron Pentek | 2009-03-31 |
| 7275306 | Damascene method for forming write coils of magnetic heads | Richard J. Contreras, Michael Feldbaum, Murali Ramasubramanian | 2007-10-02 |
| 7030035 | Prevention of electrostatic wafer sticking in plasma deposition/etch tools | Richard J. Contreras, Michael Feldbaum, Dominic Frank Truchetta | 2006-04-18 |
| 6955747 | Cam driven paddle assembly for a plating cell | Robert M. Browne, Hank Reinstein, Todd A. Thomas | 2005-10-18 |
| 6446948 | Vacuum chuck for reducing distortion of semiconductor and GMR head wafers during processing | — | 2002-09-10 |
| 6145212 | Component-support fixtures for component assembly system | Charles J. Geise, Karl Cummings, William C. Tuttle, Larry A. Couchman, Donald M. Searcy | 2000-11-14 |
| 6115200 | Method and apparatus for preventing write operations in the presence of post-shock motion | Louis J. Serrano | 2000-09-05 |
| D424699 | Wound dressing | — | 2000-05-09 |
| 5903409 | Method and means for maintaining data integrity in disk drives resulting from shock-induced contact between recording and access components during nonoperational periods | Robert A. Holleran, Kirk B. Price | 1999-05-11 |
| 5790344 | Base casting/cover for separating pack bounce and spindle tilt modes in a magnetic storage system | — | 1998-08-04 |
| 5179379 | Analog to digital convertor with drift compensation | Dominic Hill | 1993-01-12 |