Company Filing History:
7 out of 260 
4 out of 5 Years Active: 2020-2025
Title: Innovations by Inventor Xuefei Sun
Introduction
Xuefei Sun is a notable inventor based in San Jose, CA (US). He has made significant contributions to the field of mass spectrometry and liquid chromatography. With a total of 7 patents, his work has advanced the technology used in these areas.
Latest Patents
One of his latest patents is for a replaceable emitter assembly for interfacing a separation column to a mass spectrometer. This invention includes an emitter capillary with an inlet and outlet end, designed to be removably connected to the separation column. A stop with a defined through hole is integrated near the inlet end, allowing liquid to flow from the separation column to the emitter while a voltage is applied. Another significant patent is for a system for electrospray ionization that integrates a liquid chromatography column with an electrospray emitter. This system features a retractable protective sleeve that covers the emitter portion, ensuring safety and functionality during operation.
Career Highlights
Throughout his career, Xuefei Sun has worked with prominent companies such as Dionex Corporation and Thermo Hypersil-Keystone LLC. His experience in these organizations has contributed to his expertise in developing innovative solutions in his field.
Collaborations
Xuefei has collaborated with talented individuals, including Brandon Howard Robson and Xiaodong Liu, who have contributed to his projects and innovations.
Conclusion
Xuefei Sun's contributions to the field of mass spectrometry and liquid chromatography through his patents and collaborations highlight his role as a leading inventor. His work continues to influence advancements in technology and research.