Randolph, MA, United States of America

Clifford M Liu

This inventor holds 20 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Boston Scientific Scimed, Inc., Scimed Life Systems, Inc., Mc10, Inc.. Active years: 2001-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Clifford M Liu. Retrieved from https://idiyas.com/inventor/clifford-m-liu

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

USPTO Granted Patents = 20 

% Patents Active = 60.0


Average Co-Inventor Count = 3.2

ph-index = 15

Forward Citations = 1,145(Granted Patents)


Location History:

  • Randolf, MA (US) (2009)
  • Randolph, MA (US) (2001 - 2019)

Company Filing History:


Years Active: 2001-2019

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20 patents (USPTO):Explore Patents

Title: The Innovations and Contributions of Clifford M Liu in Medical Device Patents

Introduction: Clifford M Liu, located in Randolph, MA, is an accomplished inventor known for his significant contributions to the field of medical devices, with a remarkable portfolio of 20 patents. His innovative approaches, particularly in catheter and stent delivery systems, have revolutionized medical procedures and improved patient outcomes.

Latest Patents: Among his latest patents is the "Expandable Stent Delivery System with Outer Sheath." This invention offers an enhanced hot balloon catheter delivery system for shape memory tubular stents. The design includes an outer sheath that aids in the precise placement of the stent on a balloon during endoscopic delivery. The stent is strategically positioned between radiopaque markers/electrodes, with the balloon heated to prevent any proximal movement of the stent as the delivery system navigates through the body. The outer sheath effectively aligns the balloon for deployment, and once in place, it is retracted to allow for the balloon and stent expansion.

Another notable invention is the "Catheter Device Including Flow Sensing." This device introduces a method for conducting ablation procedures while monitoring blood flow with embedded sensors within the catheter. The assessment module featured in this innovation provides real-time feedback on the efficacy of the ablation based on the flow measurements, ensuring a safer and more effective medical procedure.

Career Highlights: Clifford M Liu has had a distinguished career working with reputable companies such as Scimed Life Systems, Inc. and Boston Scientific Scimed, Inc. His work with these organizations has played a pivotal role in advancing medical technology and improving therapeutic strategies for various conditions.

Collaborations: Throughout his career, Liu has collaborated with other talented professionals, including Maura Rooney and Joseph Ernest Richard. These partnerships have enhanced his innovative endeavors and contributed to the successful development of groundbreaking medical devices.

Conclusion: Clifford M Liu stands out as a prolific inventor whose contributions to the medical field continue to make a significant impact. With 20 patents to his name, his work exemplifies the spirit of innovation and dedication to improving patient care through advanced medical technology. Liu's ongoing efforts promise to inspire future advancements in the industry.

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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