Fritz Strahle
22Patents
11h-index
19Co-inventors
72Inventor score
Filing activity: Dec 12, 1978 → Oct 5, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5825534A | Stereoendoscope having a folded sight line | Human Necessities | 55 | Expired |
| US4518231A | Stereomicroscope | Physics | 45 | Expired |
| US7907336B2 | Surgical microscope having an illuminating arrangement | Physics | 35 | Active |
| US5321447A | Ophthalmoscopic attachment for a surgical microscope | Physics | 30 | Expired |
| US5612816A | Endoscopic attachment for a stereoscopic viewing system | Physics | 24 | Expired |
| US5702350A | Adapter for connecting a stereoscopic endoscope to electronic documentation devices | Human Necessities | 19 | Expired |
| US5991090A | Afocal zoom system | Physics | 18 | Expired |
| US6598972B2 | Stereomicroscopy system | Human Necessities | 14 | Expired |
| US5825535A | Pancratic magnification system | Physics | 12 | Expired |
| US5891015A | Endoscope including a front lens group and an inner lens group forming a telesystem | Physics | 12 | Expired |
| US4215914A | Optical system having a radial difference in refractive index | Physics | 11 | Expired |
| US4786161A | Apparatus for examination and surgery of the anterior and posterior portions of the eye | Human Necessities | 10 | Expired |
| US6142988A | Zoom system for a laser slit lamp | Human Necessities | 10 | Expired |
| US5612817A | Zoom system for at least two stereoscopic viewing beam paths | Physics | 8 | Expired |
| US7411739B2 | Imaging optics with adjustable optical power and method of adjusting an optical power of an optics | Physics | 6 | Expired |
| US6392797B1 | Viewing apparatus | Physics | 5 | Expired |
| US8054543B2 | Microscopy system | Physics | 2 | Active |
| US7933065B2 | Stereoscopic microscope | Physics | 2 | Active |
| US8130449B2 | Imaging optics with adjustable optical power and method of adjusting an optical power of an optics | Physics | 1 | Active |
| US8284482B2 | Stereoscopic microscope | Physics | 1 | Active |
| US8194328B2 | Imaging optics with adjustable optical power and method of adjusting an optical power of an optics | Physics | 0 | Active |
| US8804236B2 | Microscopy system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.