Issued Patents All Time
Showing 25 most recent of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7788961 | System and method for ballizing and measuring a workpiece bore hole | Lev Mikhailovich Dvoskin, Roger A. Addy | 2010-09-07 |
| 7568370 | System and method for ballizing and measuring a workpiece bore hole | Lev Mikhailovich Dvoskin, Roger A. Addy | 2009-08-04 |
| 7256937 | Structured polarizer and method for making the same | André Volke, Hans-Joachim Cornelius | 2007-08-14 |
| 7235168 | Method for electrochemically forming a hydrodynamic bearing surface | Klaus Kloeppel, Dustin Cochran | 2007-06-26 |
| 7210209 | System and method for ballizing and measuring a workpiece bore hole | Roger A. Addy, Lev Mikhailovich Dvoskin | 2007-05-01 |
| 7090401 | Grooving pattern for grooved fluid bearing | Mohamed Mizanur Rahman, Hans Leuthold, Anthony Joseph Aiello | 2006-08-15 |
| 6955471 | Cartridge style fluid dynamic bearing with conical or spherical bearing elements | Alan Lyndon Grantz | 2005-10-18 |
| 6933643 | Multiple radial/axial surfaces to enhance fluid bearing performance | Mohamed Mizanur Rahman | 2005-08-23 |
| 6874940 | Low power hybrid bearing | Mohamed Mizanur Rahman | 2005-04-05 |
| 6819023 | Magnetizing apparatus | Donald J. MacLeod, Greg Zariphopoulos, Robert M. Pelstring, Alain M. Cassat | 2004-11-16 |
| 6655841 | Cartridge style fluid dynamic bearing with conical or spherical bearing elements | Alan Lyndon Grantz | 2003-12-02 |
| 6603225 | Brushless spindle DC motor as an actuator to create radial force | Hans Leuthold, Christian Fleury | 2003-08-05 |
| 6538836 | Microactuator for fine positioning in a disc drive | John C. Dunfield | 2003-03-25 |
| 6505968 | System for active stiffness, power, and vibration control in bearings | Christian Fleury, Pierre Descombaz, Hans Leuthold, Zine-Eddine Boutaghou | 2003-01-14 |
| 6403238 | Organic light-emitting diodes (OLED) including poly[2-methoxy-5-(2′-ethyl-hexyloxy)-1,4-phenylene-1,2-ethenylene-2,5-dimethoxy-1,4-phenylene-1,2-ethenylene] as electroluminescent material | Hans-Heinrich Horhold, Steffen Pfeiffer, Albrecht Uhlig, Manfred Helbig | 2002-06-11 |
| 6335850 | Microactuator for fine positioning in a disc drive | John C. Dunfield | 2002-01-01 |
| 6322252 | Discrete fluid dynamic bearings | Alan Lyndon Grantz | 2001-11-27 |
| 6320306 | Shadow mask with porous insulating layer and heavy metal layer | Bernhard Schonert, Peter Neumann, Ulrich Schulke | 2001-11-20 |
| 6292328 | Both ends open fluid dynamic bearing having a journal in combination with a conical bearing | Mohamed Mizanur Rahman, Hans Leuthold, Raquib Uddin Khan | 2001-09-18 |
| 6239943 | Squeeze film damping for a hard disc drive | David Jennings, Hans Leuthold, Lakshman Nagarathnam, Steve Gonzalez, Dean Tarrant +1 more | 2001-05-29 |
| 6201322 | Brushless spindle DC motor used as an actuator to create radial force | Hans Leuthold, Christian Fleury | 2001-03-13 |
| 6172326 | Process and an apparatus for joining fastening elements on the mask frame of picture tubes | Jin-Kook Chang, Herbert Anton Jahn | 2001-01-09 |
| 6144147 | Shadow mask having an insulating layer and a process for the production of the same | Bernhard Schonert, Peter Neumann, Ulrich Schulke, Albrecht Uhlig | 2000-11-07 |
| 6140790 | Active electromagnetic damping system for spindle motors | Hans Leuthold, Christian Fleury | 2000-10-31 |
| 6137650 | Spindle motor with fluid dynamic bearing having a journal bearing in combination with a conical bearing | Mohamed Mizanur Rahman, Raquib Uddin Khan, Hans Leuthold | 2000-10-24 |