Thomson-CGR
71Patents
0Active
71Granted
36Portfolio score
Filing activity: Dec 20, 1983 → Mar 12, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4559641A | Retractable cassette holder for a radiological and radiographic examination apparatus | Physics | 124 | Expired |
| US4675891A | X-ray apparatus with focus position control | Electricity | 48 | Expired |
| US5054044A | Radiology installation with a communications network | Electricity | 39 | Expired |
| US4731807A | X-ray examination apparatus | Physics | 35 | Expired |
| US4646148A | Process of compressing a succession of digital data and device for carrying out the same | Electricity | 32 | Expired |
| US4670895A | X-ray tube with a rotary anode and process for fixing a rotary anode to a support shaft | Electricity | 30 | Expired |
| US4686473A | Device for creating and/or receiving an alternating magnetic field for an apparatus using nuclear magnetic resonance | Physics | 27 | Expired |
| US4749257A | Radiological installation with adjustable transmission optical attenuator | Electricity | 22 | Expired |
| US4773637A | Examination table with longitudinally movable top | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4771467A | Method of identification of arborescent structures in digital images and its application to an image-processing device | Physics | 20 | Expired |
| US4739269A | Orbit antenna for a nuclear magnetic resonance (NMR) imaging apparatus | Physics | 19 | Expired |
| US4720844A | High-voltage generating assembly and an X-ray device | Electricity | 18 | Expired |
| US4670896A | Radiology installation with compensating filter(s) | Human Necessities | 17 | Expired |
| US4675892A | Process for the control of the position of the focus of an X-ray tube and control apparatus performing said process | Electricity | 17 | Expired |
| US4736161A | High frequency antenna for a nuclear magnetic resonance measuring apparatus | Physics | 16 | Expired |
| US4780901A | Device for the cooling of an x-ray source | Electricity | 15 | Expired |
| US4633494A | Method of controlling the positioning of a patient with respect to an X-ray device and installation for carrying out such method | Electricity | 15 | Expired |
| US4700938A | Examination table providing linear guidance for an examination panel | Human Necessities | 15 | Expired |
| US4809701A | Method to measure the molecular diffusion and/or perfusion parameters of live tissue | Physics | 14 | Expired |
| US4856042A | Diaphragm for electromagnet radiation beam and its use in a collimation device for this beam | Physics | 13 | Expired |
| US4843630A | Method of bridging between contour elements in an image | Physics | 13 | Expired |
| US4799250A | Rotating anode with graphite for X-ray tube | Electricity | 13 | Expired |
| US4780674A | Process for imaging by nuclear magnetic resonance | Physics | 12 | Expired |
| US4852002A | Method for adjusting the gray scale in the reproduction of digitized images and a system for carrying out said method | Electricity | 12 | Expired |
| US4727326A | Method and device for forming images by nuclear magnetic resonance | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.