Bhaskar Ramamurthy
55Patents
27h-index
82Co-inventors
91Inventor score
Filing activity: Jul 30, 1996 → May 22, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9186046B2 | Robotic instrument systems and methods utilizing optical fiber sensor | Human Necessities | 1,256 | Active |
| US5913823A | Ultrasound imaging method and system for transmit signal generation for an ultrasonic imaging system capable of harmonic imaging | Physics | 225 | Expired |
| US5873830A | Ultrasound imaging system and method for improving resolution and operation | Physics | 159 | Expired |
| US8050523B2 | Optical fiber shape sensing systems | Human Necessities | 151 | Active |
| US5833614A | Ultrasonic imaging method and apparatus for generating pulse width modulated waveforms with reduced harmonic response | Physics | 86 | Expired |
| US9726476B2 | Fiber optic instrument orientation sensing system and method | Human Necessities | 84 | Active |
| US8515215B2 | Optical fiber shape sensing systems | Human Necessities | 70 | Active |
| US5846202A | Ultrasound method and system for imaging | Physics | 63 | Expired |
| US6193659A | Medical ultrasonic diagnostic imaging method and apparatus | Physics | 63 | Expired |
| US8864655B2 | Fiber optic instrument shape sensing system and method | Human Necessities | 63 | Active |
| US9186047B2 | Instrument systems and methods utilizing optical fiber sensor | Human Necessities | 62 | Active |
| US6174286A | Medical diagnostic ultrasound method and system for element switching | Human Necessities | 50 | Expired |
| US6733454B1 | Automatic optimization methods and systems for doppler ultrasound imaging | Physics | 49 | Expired |
| US9500473B2 | Optical fiber instrument system and method with motion-based adjustment | Human Necessities | 49 | Active |
| US7481577B2 | Ultrasound transducer fault measurement method and system | Physics | 47 | Active |
| US9404734B2 | System and method for sensing shape of elongated instrument | Human Necessities | 45 | Active |
| US6221018A | Medical ultrasonic diagnostic imaging method and apparatus | Physics | 41 | Expired |
| US9500472B2 | System and method for sensing shape of elongated instrument | Human Necessities | 38 | Active |
| US8290571B2 | Auxiliary cavity localization | Human Necessities | 37 | Active |
| US9441954B2 | System and method for calibration of optical fiber instrument | Human Necessities | 34 | Active |
| US5709210A | Ultrasound system for imaging | Physics | 33 | Expired |
| US5961460A | Ultrasound imaging enhancement methods and systems | Physics | 32 | Expired |
| US8705903B2 | Optical fiber instrument system for detecting and decoupling twist effects | Human Necessities | 31 | Active |
| US8818143B2 | Optical fiber instrument system for detecting twist of elongated instruments | Human Necessities | 30 | Active |
| US8811777B2 | Optical fiber shape sensing systems | Human Necessities | 30 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.