Hans Mahlein
32Patents
17h-index
22Co-inventors
77Inventor score
Filing activity: Apr 17, 1975 → Jan 23, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4006963A | Controllable, electro-optical grating coupler | Physics | 97 | Expired |
| US4744618A | Optical device for use as a multiplexer or demultiplexer in accordance with the diffraction grating principle | Physics | 78 | Expired |
| US5206920A | Integrated optical arrangement for demultiplexing a plurality of different wavelength channels and the method of manufacture | Electricity | 62 | Expired |
| US4760569A | Integrated optical multiplex-demultiplex module for optical communications transmission | Electricity | 54 | Expired |
| US4147979A | Movable probe carrying optical waveguides with electro-optic or magneto-optic material for measuring electric or magnetic fields | Physics | 45 | Expired |
| US3995937A | Tunable optical wave guide systems | Electricity | 44 | Expired |
| US4556292A | Optical polarizer having a prism | Physics | 44 | Expired |
| US4003629A | Coupling device for light waves | Physics | 44 | Expired |
| US4008947A | Electro-optical switch and modulator | Physics | 38 | Expired |
| US4815081A | Arrangement for controlling or regulating an emission wavelength and emitted power of a semiconductor laser | Electricity | 38 | Expired |
| US4009453A | Narrow-band interference filter and its application in a laser system | Electricity | 33 | Expired |
| US4770496A | Edge interference filter for optical communication transmission in wavelength-division multiplex | Physics | 32 | Expired |
| US4306765A | Branch component comprising optical light waveguides | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4441181A | Optical wavelength-division multiplex system | Electricity | 25 | Expired |
| US4726655A | Edge interference filter for optical communication transmission in wavelength-division multiplex | Physics | 24 | Expired |
| US4656636A | Method for manufacturing of integrated DFB laser with coupled strip waveguide on a substrate | Electricity | 21 | Expired |
| US3970360A | Wave-guide structure with a multi-layer system and methods for producing same | Physics | 17 | Expired |
| US4989937A | Light waveguide coupler having three or more gates and utilizing the beam splitter principle and the method for manufacture | Physics | 16 | Expired |
| US4139262A | Filter for a light wave in a light guiding fiber | Physics | 16 | Expired |
| US4637682A | Branch connector for light waveguides | Physics | 14 | Expired |
| US4747649A | Monolithically integrated WDM demultiplex module and method of manufacture of such module | Electricity | 14 | Expired |
| US4553822A | Optical polarizer having a dielectric multiple layer system | Physics | 12 | Expired |
| US4006964A | Integrated optical waveguide having a filter | Physics | 12 | Expired |
| US4097126A | Optical layer device with reflecting surface on collodion foil | Electricity | 11 | Expired |
| US4682843A | Optical waveguide junction and method of making said junction | Physics | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.