Inventor · Westford, MA, US

David O. Caplan

18Patents
8h-index
14Co-inventors
69Inventor score

Filing activity: Mar 3, 1999 → Sep 24, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6694104B1 Variable-rate communication system with optimal filtering Electricity 31 Expired
US9813151B2 Free-space optical communication module for small satellites Electricity 30 Active
US9264147B2 Method and apparatus for phase shift keyed optical communications Emerging Cross-Sectional Technologies 17 Active
US7414728B2 Reconfigurable polarization independent interferometers and methods of stabilization Physics 17 Active
US7411726B2 Multi-channel differentially encoded phase shift keyed receivers Electricity 15 Active
US7233430B2 Multi-channel DPSK receiver Electricity 15 Expired
US6831779B2 Method and apparatus for stabilizing a high-gain, high-power single polarization EDFA Electricity 14 Expired
US8073342B2 Method and apparatus for transmitting optical signals Electricity 10 Active
US7181097B2 Methods of achieving optimal communications performance Electricity 7 Expired
US10075245B2 Apparatus and methods for reconfigurable optical receivers Electricity 5 Active
US10917173B2 Free-space optical communication module for small satellites Electricity 5 Active
US8503889B2 Filter-based DPSK receiver Electricity 4 Active
US10009115B2 Optical receiver configurable to accommodate a variety of modulation formats Electricity 3 Active
US10530478B2 Free-space optical communication module for small satellites Electricity 2 Active
US9647765B2 Method and apparatus for transmitting phase shift keyed optical signals Emerging Cross-Sectional Technologies 2 Active
US8886049B2 Filter-based DPSK communications system Electricity 2 Active
US8958666B2 Methods of achieving optimal communications performance Electricity 1 Active
US10374723B2 Apparatus and methods for power efficient multi-format optical transmission Electricity 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.