Inventor

LU RUOCHEN

US12 patents

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

BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS

8 patents

US11942920B2Mar 26, 2024

Low-loss and wide-band acoustic delay lines using x-cut and y-cut lithium niobate piezoelectric thin films

BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS2 citations69

US11621689B2Apr 4, 2023

Low-loss and wide-band acoustic delay lines using Z-cut lithium niobate piezoelectric thin films

BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS2 citations69

US12337347B2Jun 24, 2025

Lithium-based piezoelectric micromachined ultrasonic transducer

BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS0 citations60

US11722116B2Aug 8, 2023

Acoustic resonators and filters that support fifth generation (5G) wireless communications standards

BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS1 citations60

US11695382B2Jul 4, 2023

Chip-scale resonant gyrator for passive non-reciprocal devices

BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS0 citations57

US11139851B2Oct 5, 2021

Frequency independence for synthesis within programmable non-reciprocal network circuit

BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS0 citations55

US12015392B2Jun 18, 2024

Surface acoustic wave devices using piezoelectric film on silicon carbide

BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS0 citations47

US11996820B2May 28, 2024

Fifth-generation (5G)-focused piezoelectric resonators and filters

BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS0 citations47

UNIV ILLINOIS

4 patents

US11451209B2Sep 20, 2022

Interdigital transducers on a piezoelectric thin-film for signal compression

UNIV ILLINOIS8 citations79

US12587161B2Mar 24, 2026

Higher order lamb wave acoustic devices with complementarily-oriented piezoelectric layers

UNIV ILLINOIS0 citations47

US10727804B2Jul 28, 2020

Chip-scale resonant gyrator for passive non-reciprocal devices

UNIV ILLINOIS0 citations47

US10868576B2Dec 15, 2020

Frequency independence for synthesis within programmable non-reciprocal network circuit

UNIV ILLINOIS0 citations45