Fishkill, NY, United States of America

Liang-Kai Han

This inventor holds 7 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 2000-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Liang-Kai Han. Retrieved from https://idiyas.com/inventor/liang-kai-han-vycg4pyq

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 5

Forward Citations = 147(Granted Patents)


Company Filing History:


Years Active: 2000-2005

Loading Chart...
7 patents (USPTO):Explore Patents

Title: The Innovations of Liang-Kai Han

Introduction

Liang-Kai Han is a prominent inventor based in Fishkill, NY (US). He has made significant contributions to the field of semiconductor technology, holding a total of 7 patents. His work focuses on improving the performance and reliability of semiconductor devices.

Latest Patents

One of his latest patents is titled "Deep trench isolation of embedded DRAM for improved latch-up immunity." This patent discloses a protective structure designed to block the propagation of defects generated in a semiconductor device. The structure includes a deep trench isolation formed between a memory storage region and a logic circuit region, filled with an insulative material. This innovation effectively prevents the propagation of crystal defects from the logic circuit region into the memory storage region.

Another notable patent is the "Method of providing variant fills in semiconductor trenches." This patent outlines a method for filling a semiconductor substrate with a plurality of trenches using different fill materials. The process involves masking certain trenches to resist etching, allowing for a more efficient and effective filling of the trenches with materials that enhance the performance of the semiconductor device.

Career Highlights

Liang-Kai Han is currently employed at International Business Machines Corporation (IBM), where he continues to innovate in the semiconductor field. His work has been instrumental in advancing technologies that are critical to modern electronics.

Collaborations

Throughout his career, Liang-Kai Han has collaborated with notable colleagues, including Robert Hannon and Scott W. Crowder. These collaborations have contributed to the development of cutting-edge technologies in the semiconductor industry.

Conclusion

Liang-Kai Han's contributions to semiconductor technology through his patents and work at IBM highlight his role as a key innovator in the field. His inventions not only enhance the performance of semiconductor devices but also pave the way for future advancements in technology.

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]
Loading…