Rodney C. Alferness
30Patents
19h-index
30Co-inventors
81Inventor score
Filing activity: Jan 16, 1978 → Jul 21, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5627925A | Non-blocking optical cross-connect structure for telecommunications network | Electricity | 164 | Expired |
| US4146297A | Tunable optical waveguide directional coupler filter | Physics | 92 | Expired |
| US5009477A | Optical interconnect arrangement | Electricity | 51 | Expired |
| US4852960A | Narrow-linewidth resonant optical device, transmitter, system, and method | Electricity | 45 | Expired |
| US4390236A | Tunable polarization independent wavelength filter | Physics | 44 | Expired |
| US4737007A | Narrow-band wavelength selective optical coupler | Physics | 43 | Expired |
| US4384760A | Polarization transformer | Physics | 41 | Expired |
| US4448479A | Traveling wave, electrooptic devices with effective velocity matching | Physics | 39 | Expired |
| US4955028A | Wavelength tunable composite cavity laser | Electricity | 37 | Expired |
| US4400052A | Method for manufacturing birefringent integrated optics devices | Physics | 35 | Expired |
| US4533207A | Wavelength tunable TE to TM mode converter | Physics | 35 | Expired |
| US4904045A | Grating coupler with monolithically integrated quantum well index modulator | Electricity | 30 | Expired |
| US4667331A | Composite cavity laser utilizing an intra-cavity electrooptic waveguide device | Electricity | 29 | Expired |
| US5253314A | Tunable optical waveguide coupler | Electricity | 24 | Expired |
| US4273411A | Optical wavelength filter | Physics | 24 | Expired |
| US4243295A | Polarization-independent optical directional coupler switch/modulator | Physics | 23 | Expired |
| US4728168A | Composite cavity laser utilizing an intra-cavity electrooptic waveguide device | Electricity | 23 | Expired |
| US4553810A | Traveling wave electrooptic devices | Physics | 22 | Expired |
| US4711515A | Electrooptic polarization multiplexer/demultiplexer | Physics | 21 | Expired |
| US4991975A | Division multiplexing and demultiplexing means lightwave communication system comprising optical time | Electricity | 19 | Expired |
| US6097865A | Design and method for planar coupled waveguide filter | Physics | 16 | Expired |
| US4376138A | Optical waveguides in InGaAsP and InP | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4883335A | Single-mode optical fiber tap | Physics | 15 | Expired |
| US4381139A | Velocity mismatched modulator | Physics | 15 | Expired |
| US4750801A | Optical waveguide resonator filters | Emerging Cross-Sectional Technologies | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.