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For the Inventor, By the Inventor

Champaign, IL, United States of America

Ruochen Lu

This inventor holds 12 USPTO granted patents and 3 published patent applications. Top assignee: University of Illinois. Active years: 2020-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ruochen Lu. Retrieved from https://idiyas.com/inventor/ruochen-lu

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 12 

% Patents Active = 91.7

Average Co-Inventor Count = 3.7

ph-index = 1

Forward Citations = 7(Granted Patents)


Location History:

  • Champaign, IL (US) (2020 - 2024)
  • Chanpaign, IL (US) (2024)

Company Filing History:

goldMedal12 out of 2,424 
 
University of Illinois
 patents

Years Active: 2020-2026

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12 patents (USPTO):Explore Patents
1. 12587161 - Higher order lamb wave acoustic devices with complementarily-oriented piezoelectric layers (2026-03-24),
2. 12337347 - Lithium-based piezoelectric micromachined ultrasonic transducer (2025-06-24),
3. 12015392 - Surface acoustic wave devices using piezoelectric film on silicon carbide (2024-06-18),
4. 11996820 - Fifth-generation (5G)-focused piezoelectric resonators and filters (2024-05-28),
5. 11942920 - Low-loss and wide-band acoustic delay lines using x-cut and y-cut lithium niobate piezoelectric thin films (2024-03-26),
6. 11722116 - Acoustic resonators and filters that support fifth generation (5G) wireless communications standards (2023-08-08),
7. 11695382 - Chip-scale resonant gyrator for passive non-reciprocal devices (2023-07-04),
8. 11621689 - Low-loss and wide-band acoustic delay lines using Z-cut lithium niobate piezoelectric thin films (2023-04-04),
9. 11451209 - Interdigital transducers on a piezoelectric thin-film for signal compression (2022-09-20),
10. 11139851 - Frequency independence for synthesis within programmable non-reciprocal network circuit (2021-10-05),
11. 10868576 - Frequency independence for synthesis within programmable non-reciprocal network circuit (2020-12-15),
12. 10727804 - Chip-scale resonant gyrator for passive non-reciprocal devices (2020-07-28),

Title: Innovations of Ruochen Lu

Introduction

Ruochen Lu is a prominent inventor based in Champaign, Illinois, known for his significant contributions to the field of piezoelectric devices. With a total of 11 patents to his name, Lu has made remarkable advancements in technology that enhance the functionality of ultrasonic transducers and surface acoustic wave devices.

Latest Patents

One of Lu's latest patents is for a lithium-based piezoelectric micromachined ultrasonic transducer. This innovative device comprises a pair of substrate layers corresponding to a carrier substrate, an intermediary layer, and a cavity region situated between the substrate layers. It features a piezoelectric layer made of a lithium-based film and includes multiple interdigital transducer electrodes, which enhance its performance. Another notable patent involves surface acoustic wave devices utilizing piezoelectric film on silicon carbide. This acoustic resonator is designed with a piezoelectric thin film that confines a fundamental shear-horizontal surface-acoustic wave. It includes input and ground bus lines, grating reflectors, and interdigital transducers, all working together to create efficient acoustic resonators.

Career Highlights

Ruochen Lu has worked at esteemed institutions such as the University of Illinois, where he has contributed to various research projects and innovations. His work has significantly impacted the development of advanced piezoelectric technologies, making him a key figure in his field.

Collaborations

Lu has collaborated with notable colleagues, including Songbin Gong and Yansong Yang, further enhancing the scope and impact of his research.

Conclusion

Ruochen Lu's innovative work in piezoelectric devices and his impressive portfolio of patents underscore his role as a leading inventor in the field. His contributions continue to influence advancements in technology, showcasing the importance of innovation in modern engineering.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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