Inventor · San Jose, CA, US

Daoyi Wang

27Patents
6h-index
24Co-inventors
69Inventor score

Filing activity: May 24, 2002 → May 30, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7843644B1 Compact free-space WDM device with one-sided input/output ports Physics 19 Active
US7912374B1 High isolation wavelength division devices Physics 11 Active
US8351791B1 Optical devices with built-in isolators Electricity 10 Active
US9749080B2 TWDM passive network with extended reach and capacity Electricity 8 Active
US6731841B1 Folded waveguide optical devices Physics 7 Expired
US7486891B1 Multi-port high isolation filters Electricity 7 Active
US7440163B1 Compact passive module for erbium and other fiber amplifiers Electricity 6 Active
US10788632B2 Device and method for coupling laser to a photonic integrated circuit Physics 5 Active
US8873909B1 Micro-optic filtering devices and method of making the same Physics 5 Active
US7672554B1 Space expanders in optical devices Physics 4 Active
US8538229B1 Pluggable variable optical attenuators and methods for making the same Physics 4 Active
US9608758B1 Low cost gain clamped EDFA for TWDM passive optical network application Electricity 4 Active
US7224865B1 Optical multiplexing/multiplexing devices and method for making the same Physics 3 Expired
US8538210B2 Micro free-space WDM device Physics 3 Active
US10775637B2 Integrated optical circulator enabling polarization diversity Physics 1 Active
US10050708B2 Feeder fiber and central office redundancy Electricity 0 Active
US10516479B1 Feeder fiber and central office redundancy Electricity 0 Active
US11693197B2 Fixture and method for attaching fibers to V-grooves of photonic integrated circuit Physics 0 Active
US11340468B2 Integrated optical circulator enabling polarization diversity Physics 0 Active
US10063944B2 Feeder fiber and central office redundancy Electricity 0 Active
US9729950B2 Upgrading PON systems using a multi-cycle field AWG Electricity 0 Active
US10439722B2 Feeder fiber and central office redundancy Electricity 0 Active
US11442094B2 Polygonal spherical space sampling device Electricity 0 Active
US9948422B2 Low cost gain clamped EDFA for TWDM passive optical network application Electricity 0 Active
US10171199B2 Tunable laser in an optical access network Electricity 0 Active

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