Inventor

LIU YUQIAO

US17 patents

⚠️ This page may combine multiple inventors who share the name “LIU YUQIAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIU YUQIAO

ALLIANCE FIBER OPTIC PROD INC

Compact multiplexing/demultiplexing modules

Tunable wavelength filter with invariant transmission and reflection beam angles

Multi-stage optical DWDM channel group interleaver

Fiber optic tunable add-drop multiplexer/demultiplexer

Dynamic multi-channel power equalizer and regulator

Retro-reflective fiber optic interleaver

Method for bonding aligned optical parts and apparatus thereof

Optical switch system

ALLIANCE FIBER OPTICS PROD INC

Multi-port fiber optic device with v-groove ferrule

Retro-reflective multi-port filter device with triple-fiber ferrule

V-groove dual fiber collimator for DWDM multiplexor/demultiplexor

Filter device for use with light and method making the same

Multi-port fiber optic device with V-groove dual fiber collimator for WDM application

Packaging and sealing of multi-port fiber optic device

Retro-reflective multi-port filter device with triple-fiber ferrule

Dual fiber variable optical attenuator

UNIV DREXEL

TSV-based on-chip antennas, measurement, and evaluation