Donald F. Specht
54Patents
21h-index
24Co-inventors
88Inventor score
Filing activity: Mar 3, 1978 → Feb 27, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4805123A | Automatic photomask and reticle inspection method and apparatus including improved defect detector and alignment sub-systems | Physics | 227 | Expired |
| US4271842A | Apparatus and method for providing multiple ultrasonic sector image displays | Human Necessities | 94 | Expired |
| US9282945B2 | Calibration of ultrasound probes | Physics | 93 | Active |
| US6937774B1 | Apparatus and method for efficiently increasing the spatial resolution of images | Physics | 87 | Expired |
| US8105239B2 | Method and apparatus to visualize the coronary arteries using ultrasound | Physics | 82 | Active |
| US8007439B2 | Method and apparatus to produce ultrasonic images using multiple apertures | Physics | 47 | Active |
| US9582876B2 | Method and apparatus to visualize the coronary arteries using ultrasound | Physics | 47 | Active |
| US8473239B2 | Multiple aperture ultrasound array alignment fixture | Emerging Cross-Sectional Technologies | 41 | Active |
| US8277383B2 | Method and apparatus to produce ultrasonic images using multiple apertures | Physics | 39 | Active |
| US9220478B2 | Concave ultrasound transducers and 3D arrays | Physics | 34 | Active |
| US8602993B2 | Imaging with multiple aperture medical ultrasound and synchronization of add-on systems | Physics | 30 | Active |
| US8684936B2 | Method and apparatus to produce ultrasonic images using multiple apertures | Physics | 30 | Active |
| US4241611A | Ultrasonic diagnostic transducer assembly and system | Physics | 28 | Expired |
| US6211971A | Method and apparatus to compress multi-spectral images to a single color image for display | Physics | 28 | Expired |
| US9146313B2 | Point source transmission and speed-of-sound correction using multi-aperature ultrasound imaging | Physics | 27 | Active |
| US9072495B2 | Method and apparatus to produce ultrasonic images using multiple apertures | Physics | 27 | Active |
| US9247926B2 | Concave ultrasound transducers and 3D arrays | Physics | 26 | Active |
| US9192355B2 | Multiple aperture ultrasound array alignment fixture | Emerging Cross-Sectional Technologies | 26 | Active |
| US9339256B2 | Determining material stiffness using multiple aperture ultrasound | Physics | 25 | Active |
| US4598369A | Tomography apparatus and method | Physics | 25 | Expired |
| US9526475B2 | Point source transmission and speed-of-sound correction using multi-aperture ultrasound imaging | Physics | 21 | Active |
| US9420994B2 | Method and apparatus to produce ultrasonic images using multiple apertures | Physics | 20 | Active |
| US9668714B2 | Systems and methods for improving ultrasound image quality by applying weighting factors | Physics | 19 | Active |
| US10380399B2 | Ultrasound imaging systems and methods for detecting object motion | Physics | 17 | Active |
| US10342518B2 | Point source transmission and speed-of-sound correction using multi-aperture ultrasound imaging | Physics | 17 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.