This inventor holds 46 USPTO granted patents and 7 published patent applications and 4 EPO patents, primarily in Imaging Technology. Top assignees: Symbol Technologies, LLC, Zebra Technologies Corporation. Active years: 2003-2025.
Location History:
- Stony Brook, NY (US) (2003 - 2015)
- Setauket, NY (US) (2015 - 2024)
Company Filing History:
34 out of 2,326 
11 out of 1,073 
Years Active: 2003-2025
Areas of Expertise:
Title: **David Tsi Shi: Innovator in Optical Technologies**
Introduction
David Tsi Shi, based in Stony Brook, NY, is a prolific inventor with an impressive portfolio of 42 patents to his name. His work primarily focuses on advancements in optical systems, particularly for auto-focus lens mechanisms and imaging technology.
Latest Patents
Among his latest innovations is the patent for a **Compact Long Focal Length Auto-Focus Lens with Actively Aligned Front Compensator**. This optical assembly is designed for autofocus lens systems, optimizing the imaging of objects within a designated field of view. It features a compensator lens assembly that fine-tunes the flange focal length, along with a variable focus assembly capable of adjusting its focal plane. Additionally, the **Compact Opto-Mechanical Layout of Long-Range Dual-Camera Bar-Code Imager** patent showcases a sophisticated imaging system that captures images from multiple distances, integrating both illumination and aiming systems effectively.
Career Highlights
Throughout his career, David has made significant contributions to the field of optical technologies while working with notable companies such as Symbol Technologies, LLC, and Zebra Technologies Corporation. His expertise and creativity in developing innovative optical solutions have positioned him as a leading figure in his industry.
Collaborations
David Tsi Shi has collaborated with esteemed professionals including Vladimir P. Gurevich and Igor R. Vinogradov. Their combined expertise has driven forward numerous projects facilitating advancements in the imaging and optical systems sector.
Conclusion
David Tsi Shi's extensive patent portfolio and innovative spirit highlight his commitment to enhancing optical technologies. His work continues to influence the field, paving the way for future inventions that improve imaging systems widely used in various applications.