Kai Liu

San Diego, CA, United States of America

Kai Liu

This inventor holds 14 USPTO granted patents and 19 published patent applications and 2 EPO patents. Top assignees: Qualcomm Incorporated, Sony Corporation, Johns Hopkins University. Active years: 2001-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kai Liu. Retrieved from https://idiyas.com/inventor/kai-liu-u3zkjy9f

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

Calculating rank
USPTO Granted Patents = 14 

% Patents Active = 64.3

 

Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 71(Granted Patents)


Location History:

  • Baltimore, MD (US) (2001)
  • Vista, CA (US) (2012)
  • San Diego, CA (US) (2002 - 2021)

Company Filing History:


Years Active: 2001-2021

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14 patents (USPTO):Explore Patents

Title: Innovations of Inventor Kai Liu

Introduction

Kai Liu is a prominent inventor based in San Diego, CA. He has made significant contributions to the field of technology, holding a total of 14 patents. His work primarily focuses on enhancing the performance of electronic devices through innovative materials and designs.

Latest Patents

One of his latest patents is titled "Thermal paths for glass substrates." This invention includes thermally conductive pathways for glass substrates used in passive on-glass devices. The aim is to enhance the thermal conductivity of integrated POG devices. By utilizing a thermally conductive material for passivation during manufacturing, the device pathways can effectively conduct heat away from the device. For instance, using a selected poly (p-phenylene benzobisoxazole) (PBO) based material instead of conventional polyimide (PI) materials during the Cu pattern passivation process can significantly improve the overall thermal performance of the device.

Another notable patent is the "Wideband filter with resonators and inductors." This invention involves a bandpass filter that includes multiple resonators and inductors. The design features a first, second, third, and fourth resonator, with specific terminals coupled to create an efficient filtering mechanism. This innovative approach enhances the functionality of electronic devices that rely on precise signal processing.

Career Highlights

Kai Liu has worked with leading technology companies, including Qualcomm Incorporated and Sony Corporation. His experience in these organizations has allowed him to develop cutting-edge technologies and contribute to various projects that push the boundaries of innovation.

Collaborations

Throughout his career, Kai has collaborated with talented individuals such as Bin Yang and Xia Li. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Kai Liu's contributions to the field of technology through his patents and collaborations highlight his innovative spirit and dedication to advancing electronic device performance. His work continues to inspire future innovations 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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