Robert Olshansky
51Patents
25h-index
25Co-inventors
88Inventor score
Filing activity: May 27, 1975 → Nov 11, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6493437B1 | Advertising-subsidized PC-telephony | Emerging Cross-Sectional Technologies | 209 | Expired |
| US6567854B1 | Internet service delivery via server pushed personalized advertising dashboard | Electricity | 114 | Expired |
| US7711094B1 | E911 location server | Electricity | 102 | Expired |
| US5101450A | Quadrature optical phase modulators for lightwave systems | Electricity | 102 | Expired |
| US7239629B1 | Multiservice network | Electricity | 96 | Expired |
| US6061357A | Ethernet to ADSL adapter | Emerging Cross-Sectional Technologies | 94 | Expired |
| US5301058A | Single sideband optical modulator for lightwave systems | Physics | 80 | Expired |
| US5276543A | Optical signal equalizer for wavelength division multiplexed optical fiber systems | Electricity | 68 | Expired |
| US5134509A | Coherent subcarrier multiplexed optical communication system | Electricity | 61 | Expired |
| US7706356B1 | Mapping of IP phones for E911 | Electricity | 60 | Expired |
| US5961605A | Method and apparatus for acknowledging TCP data packets | Electricity | 56 | Expired |
| US5418785A | Multiple-channel token ring network with single optical fiber utilizing subcarrier multiplexing with a dedicated control channel | Electricity | 48 | Expired |
| US4105284A | Buffered optical waveguide fiber | Physics | 48 | Expired |
| US4385802A | Long wavelength, low-loss optical waveguide | Chemistry; Metallurgy | 47 | Expired |
| US8582724B2 | E911 location server | Electricity | 47 | Active |
| US5239401A | Optical modulator for cancellation of second-order intermodulation products in lightwave systems | Physics | 47 | Expired |
| US4989200A | Coherent subcarrier multiplexed optical communication system | Electricity | 44 | Expired |
| US4689797A | High power single spatial mode semiconductor laser | Electricity | 43 | Expired |
| US4229070A | High bandwidth optical waveguide having B.sub.2 O.sub.3 free core and method of fabrication | Chemistry; Metallurgy | 41 | Expired |
| US4230396A | High bandwidth optical waveguides and method of fabrication | Chemistry; Metallurgy | 39 | Expired |
| US4222631A | Multicomponent optical waveguide having index gradient | Chemistry; Metallurgy | 39 | Expired |
| US4953156A | Wideband subcarrier multiplexed optical communication system operating over more than one octave | Electricity | 38 | Expired |
| US5253250A | Routing and switching of high-speed optical data with the header transmitted on a subcarrier frequency | Electricity | 35 | Expired |
| US5546190A | Carrier and clock recovery for lightwave systems | Electricity | 28 | Expired |
| US4406517A | Optical waveguide having optimal index profile for multicomponent nonlinear glass | Chemistry; Metallurgy | 27 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.