Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7196520 | Method and apparatus for passive shimming of magnets | Weijun Shen, Minfeng Xu | 2007-03-27 |
| 7001479 | Methods and apparatus for assembling magnetized permanent magnetic blocks | Ronald Floyd Lochner, Weijun Shen, Geer Ward | 2006-02-21 |
| 6984982 | Method and system for shimming an MRI magnet assembly | Jinhua Huang | 2006-01-10 |
| 6958672 | System and method for magnetizing blocks on a magnet assembly of an MRI device | Weijun Shen | 2005-10-25 |
| 6859123 | Methods and apparatus for positioning permanent magnetic blocks | Jinsheng Zheng, Jinhua Huang, Ronald Floyd Lochner, Weijun Shen, Hideaki Uno +1 more | 2005-02-22 |
| 6844801 | Methods and apparatus for adjusting center magnetic field of a magnetic field generator for MRI | Jinhua Huang, Weijun Shen, Ronald Floyd Lochner | 2005-01-18 |
| 6828891 | Method for assembling magnetic members for magnetic resonance imaging magnetic field generator | Peter Jarvis, Ronald Floyd Lochner, Alex Palkovich | 2004-12-07 |
| 6819108 | Method of magnetic field controlled shimming | Jinhua Huang, Bijan Dorri, Bruce Campbell Amm | 2004-11-16 |
| 6809619 | System and method for adjusting magnetic center field for permanent MRI magnetic field generator | Weijun Shen | 2004-10-26 |
| 6717781 | Balanced quench protection circuit | Minfeng Xu, Xianrui Huang, Jinhua Huang | 2004-04-06 |
| 6664878 | Method for assembling magnetic members for magnetic resonance imaging magnetic field generator | William Chen, Jinhua Huang, Ronald Floyd Lochner, Weijun Shen, Geer Ward | 2003-12-16 |
| 6289681 | Superconducting magnet split cryostat interconnect assembly | Phillip W. Eckels, Richard Thomas Hackett, Gregory F. Hayworth, Xianrui Huang, Clifford J. Ginfrida +2 more | 2001-09-18 |
| 6181137 | Unified shimming for magnetic resonance superconducting magnets | Timothy John Havens, Xianrui Huang, Robert Sethfield Smith, Steven Ho-Chong Wong, Michele D. Ogle +1 more | 2001-01-30 |
| 6157279 | Open magnet having shielding | Evangelos Trifon Laskaris, Michael Anthony Palmo, Michele D. Ogle, Bruce Campbell Amm | 2000-12-05 |
| 6150912 | Open architecture superconducting magnet helium vessel structure | Stephen Elgin, Kenneth Edward Grut, Gregory Alan Lehmann, Michelle Guilmet Sansbury, John Scaturro, Jr. | 2000-11-21 |
| 5994991 | Open magnet having shielding | Evangelos Trifon Laskaris, Michael Anthony Palmo, Michele D. Ogle, Bruce Campbell Amm | 1999-11-30 |
| 5973582 | Resonance imager mobile van magnetic field homogeneity shift compensation | Timothy John Havens, Chung-Yih Ho, Xianrui Huang, Steven Ho-Chong Wong, Minfeng Xu | 1999-10-26 |
| 5883558 | Open superconductive magnet having shielding | Evangelos Trifon Laskaris, Michael Anthony Palmo | 1999-03-16 |
| 5731939 | Quench-protecting electrical circuit for a superconducting magnet | Dan A. Gross | 1998-03-24 |
| 5701075 | Magnetic resonance imaging shimming by superconducting gradient shield | Yannis P. Tsavalas | 1997-12-23 |
| 5690991 | Superconducting joint between Nb.sub.3 Sn tape and NbTi wire for use in superconducting magnets | O'Neil T. McClam, Geer Ward | 1997-11-25 |
| 5668516 | Simplified active shield superconducting magnet assembly for magnetic resonance imaging | Ronald Floyd Lochner | 1997-09-16 |
| 5539366 | Magnet having contoured pole faces for magnetic field homogeneity | Bizhan Dorri, Evangelos Trifon Laskaris, Michele D. Ogle | 1996-07-23 |
| 5539367 | Superconducting gradient shields in magnetic resonance imaging magnets | Yannis P. Tsavalas, Phillip W. Eckels | 1996-07-23 |
| 5394130 | Persistent superconducting switch for conduction-cooled superconducting magnet | Raghavan Jayakumar, John J. Wollan | 1995-02-28 |