Inventor · Rockville, MD, US

Weimin Zhou

38Patents
10h-index
45Co-inventors
75Inventor score

Filing activity: Feb 18, 1994 → Apr 12, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5953479A Tilted valance-band quantum well double heterostructures for single step active and passive optical waveguide device monolithic integration Electricity 69 Expired
USD848679S1 Hearing protection headset General 47 Active
USD856594S1 Pair of ear muffs General 33 Active
USD848396S1 Noise monitoring headset General 29 Active
US5930031A Monolithically integrated signal processing circuit having active and passive components Physics 15 Expired
US7609971B1 Electro optical scanning multi-function antenna Electricity 14 Active
US6188808A Microwave system Physics 13 Expired
US10031246B2 RF-photonic system for acoustic and/or vibrational sensing using optical fiber and method thereof Physics 12 Active
US6388616B1 Simple true-time-delay generator for optical control of phased array antenna Electricity 10 Expired
USD890440S1 User interface with a light ring for a hearing protection device General 10 Active
US8532486B2 Method and apparatus for detecting radio-frequency signals using a dispersive fiber optical loop Electricity 9 Active
US5412225A Tunable heavy and light hole coupled bands in variable-strain quantum well semi-conductor heterostructure for novel opto-electronic devices Physics 8 Expired
US5770472A Method for making monolithically integrated signal processing circuit having active and passive components Physics 8 Expired
US5535045A Modulation doped quantum well waveguide modulator Physics 5 Expired
US7409116B1 RF to optical converter for RF imaging with optical sensors Physics 5 Active
US8779977B2 Electro optical scanning phased array antenna for pulsed operation Electricity 4 Active
US7158710B1 Reconfigurable photonic band gap device Performing Operations; Transporting 4 Expired
US7151415B1 Injection locked dual opto-electronic oscillator Physics 4 Expired
US8861567B2 Method and apparatus for analyzing the spectrum of radio-frequency signals using a fiber optic recirculation loop Electricity 3 Active
US9288557B2 Method and apparatus for analyzing the spectrum of radio-frequency signals using unamplified fiber optic recirculation loops Electricity 2 Active
US11137273B2 Gas detector mounting design Physics 1 Active
US9097790B2 Method and apparatus for providing radio frequency photonic filtering Electricity 1 Active
US8506829B2 Semiconductor hollow-core waveguide using photonic crystal gratings Physics 1 Active
US9369432B2 System and method for secure network communications Electricity 1 Active
US11454859B1 True time delay circuit based on an optical waveguide switching array for RF phased array antenna beam steering Physics 1 Active

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