Donald B. Keck
25Patents
16h-index
25Co-inventors
81Inventor score
Filing activity: Jul 18, 1973 → Jun 28, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4880752A | Dielectric waveguide sensors and their use in immunoassays | Emerging Cross-Sectional Technologies | 112 | Expired |
| US4704151A | Method for drawing fiber optic coupler | Chemistry; Metallurgy | 49 | Expired |
| US5894537A | Dispersion managed optical waveguide | Chemistry; Metallurgy | 48 | Expired |
| US3934061A | Method of forming planar optical waveguides | Chemistry; Metallurgy | 47 | Expired |
| US5353363A | Optical fiber bendable coupler/switch device | Physics | 44 | Expired |
| US4436368A | Multiple core optical waveguide for secure transmission | Physics | 40 | Expired |
| US4799949A | Method of making low loss fiber optic coupler | Chemistry; Metallurgy | 39 | Expired |
| US4395270A | Method of fabricating a polarization retaining single-mode optical waveguide | Chemistry; Metallurgy | 35 | Expired |
| US4478489A | Polarization retaining single-mode optical waveguide | Chemistry; Metallurgy | 31 | Expired |
| US4948217A | Optic coupler | Chemistry; Metallurgy | 31 | Expired |
| US6044191A | Dispersion managed optical waveguide | Chemistry; Metallurgy | 28 | Expired |
| US4415230A | Polarization retaining single-mode optical waveguide | Chemistry; Metallurgy | 26 | Expired |
| US4494968A | Method of forming laminated single polarization fiber | Chemistry; Metallurgy | 25 | Expired |
| US4360371A | Method of making polarization retaining single-mode optical waveguide | Chemistry; Metallurgy | 21 | Expired |
| US8740029B2 | Deterministic cleave of optical fiber | Emerging Cross-Sectional Technologies | 16 | Active |
| US5636300A | MxO multiplex demultiplex component | Physics | 16 | Expired |
| US4767430A | Optical fiber-device interconnection and method | Physics | 15 | Expired |
| US4236786A | Method of effecting coupling of selected modes in an optical waveguide | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5668901A | Low reflectivity fiber bragg grating with rectangular reflection function | Physics | 15 | Expired |
| US5579428A | Solitons in dispersion flattened waveguide | Physics | 14 | Expired |
| US6137927A | N-port reconfigurable DWDM multiplexer and demultiplexer | Physics | 8 | Expired |
| US5418870A | Coaxial coupler with integrated source/ring detector | Physics | 7 | Expired |
| US4501468A | Integral optical imaging devices using grin lens systems | Physics | 5 | Expired |
| US6088494A | Aperiodic Mach-Zehnder optical filters | Physics | 5 | Expired |
| US5946432A | Periodic mach-zehnder optical filters | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.