| Patent Number |
Title Of Patent |
Date Issued |
| 7576540 |
Gradient coil and magnetic resonance imaging apparatus using the same |
August 18, 2009 |
| The gradient coil for a magnetic resonance imaging apparatus is adapted to encode information on a spatial position of a subject to be inspected into a nuclear magnetic resonance signal. The gradient coil includes a primary gradient coil and a shielded gradient coil. The primary gradient |
| 7567083 |
Superconductive magnetic apparatus for magnetic resonance imaging unit |
July 28, 2009 |
| A super-conducting magnet apparatus in an MRI system which may reduce unevenness among magnetization characteristics of ferromagnetic elements arranged between super-conductive shield coils and superconducting main coils. There are provided a pair of super-conducting main coils, a pair |
| 7436179 |
Magnet device |
October 14, 2008 |
| A magnet device has main coils in a pair positioned facing each other to form a static magnetic field space in between and external magnetic flux shielding coils placed coaxially to the main coils. The external magnetic flux shielding coils have a first coil group having a small coeffici |
| 7245128 |
Magnetic resonance imaging apparatus and magnet apparatus therefor |
July 17, 2007 |
| A magnetic resonance imaging apparatus and the magnet apparatus thereof comprise plural pairs of magnetic field generation sources, arranged face to face with each other, for forming a magnetic field space 3; and magnetic field homogeneity adjusting apparatuses 17 and 18 for providing |
| 7126448 |
Superconducting magnet apparatus and magnetic resonance imaging apparatus using the same |
October 24, 2006 |
| An MRI apparatus includes magnet members for compensating the magnetic field which are disposed to a thermal shield system of the superconducting apparatus. The magnet members for compensating the magnetic field are disposed at positions where temperature change in the vacuum chamber |