This inventor holds 1 USPTO granted patent and 5 published patent applications. Top assignee: Db Hitek Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Hee Sub Lee and Power Semiconductor Innovation.
Introduction
Hee Sub Lee is an inventor associated with Eumseong, South Korea, and DB HiTek Co., Ltd. Lee’s patent work focuses on power semiconductor technology and methods for improving device performance.
Latest Patents
Lee is named on the patent “Power Semiconductor Device and Method of Manufacturing Same.” The invention proposes forming multiple hole-injection regions, spaced apart at the bottom of the drain electrode. This design aims to increase the current-path area and capture electrons trapped between the gate and drain electrodes, helping to prevent current-collapse effects. Lee is associated with 1 patent.
Career Highlights
Lee’s listed patent reflects work on semiconductor device structure and manufacturing, with an emphasis on addressing current collapse in power devices. The patent is associated with DB HiTek Co., Ltd.
Collaborations
The patent’s listed collaborators include Ji Houn Jung and Min Su Cho.
Conclusion
Hee Sub Lee’s patent highlights an approach to improving power semiconductor performance by expanding the current path and reducing the effects of trapped electrons.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile