Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670881 | Discrete step remotely adjustable matching circuit for MRI RF coils | Mitsuaki Arakawa, John Van Heteren, Joseph W. Carlson, Einar Tapio | 1997-09-23 |
| 5663645 | Spatially orthogonal rectangular coil pair suitable for vertical magnetic field MRI system | Joseph W. Carlson, Barry M. McCarten, Stephen Krasnor, William Lu, Mitsuaki Arakawa +1 more | 1997-09-02 |
| 5630415 | Rigidized gradient coil | — | 1997-05-20 |
| 5629624 | Switched field magnetic resonance imaging | Joseph W. Carlson, Lawrence E. Crooks | 1997-05-13 |
| 5517121 | MRI system with side-access to an image volume located within a two-column main magnet | Jianhua Li, Joseph W. Carlson, Bruce C. Breneman | 1996-05-14 |
| 5490509 | Method and apparatus for MRI using selectively shaped image volume of homogeneous NMR polarizing field | Joseph W. Carlson | 1996-02-13 |
| 5386191 | RF coil providing reduced obstruction access to image volume in transverse magnet MRI system | Barry M. McCarten, Joseph W. Carlson, Mitsuaki Arakawa | 1995-01-31 |
| 5379767 | MRI RF coil using zero-pitch solenoidal winding | Kevin A. Derby | 1995-01-10 |
| 5357958 | Interventional MRI system and RF coils therefore | — | 1994-10-25 |
| 5317297 | MRI magnet with robust laminated magnetic circuit member and method of making same | Joseph W. Carlson, Shigemasu Okada, Shigeo Hashimoto | 1994-05-31 |
| 5305749 | Side-loading of patient into MRI C-magnet while maintaining adjacent open accessibility to patient | Andrew Li | 1994-04-26 |
| 5307015 | NMR relaxometry using variable initial flip angle | Joseph W. Carlson | 1994-04-26 |
| 5281913 | NMR relaxometry using fixed RF frequency band | Joseph W. Carlson | 1994-01-25 |
| 5250901 | Open architecture iron core electromagnet for MRI using superconductive winding | Joseph W. Carlson | 1993-10-05 |
| 5239266 | MRI using variable imaging parameter(s) within a single image sequence | David M. Kramer, John M. Coleman | 1993-08-24 |
| 5235279 | MRI using auxiliary insert gradient coil to produce intense auxiliary magnetic gradient pulses | Joseph W. Carlson, Hector E. Avram | 1993-08-10 |
| D337684 | Pad for a lumbar spine coil for a magnetic resonance imaging device | John H. Fehn, William Lu, Mitsuaki Arakawa | 1993-07-27 |
| 5227728 | Gradient driver control in magnetic resonance imaging | Joseph W. Carlson, Richard J. Gran | 1993-07-13 |
| 5202632 | MRI using variable imaging parameter(s) within a single image sequence | David M. Kramer, John M. Coleman | 1993-04-13 |
| 5184074 | Real-time MR imaging inside gantry room | Mitsuaki Arakawa, Christine Hawryszko, David M. Kramer, Barry M. McCarten | 1993-02-02 |
| 5157330 | Method and apparatus for compensating magnetic field inhomogeneity artifact in MRI | Joseph W. Carlson, David M. Kramer, James D. Hale, Kingman Yee | 1992-10-20 |
| 5155435 | Method and apparatus for performing interventional medical procedures using MR imaging of interventional device superimposed with ghost patient image | David M. Kramer, Christine Hawryszko | 1992-10-13 |
| D313073 | Magnetic resonance imaging magnet housing | Colin B. Kennedy | 1990-12-18 |
| 4970457 | MRI compensated for spurious rapid variations in static magnetic field during a single MRI sequence | Lawrence E. Crooks, James D. Hale, David M. Kramer, Kristen Hake, Heckor Avram +1 more | 1990-11-13 |
| 4908573 | 3D image reconstruction method for placing 3D structure within common oblique or contoured slice-volume without loss of volume resolution | David M. Kramer, Ricardo Guzman | 1990-03-13 |