Company Filing History:
3 out of 54 
2 out of 19 
1 out of 64 
Years Active: 2003-2020
Title: The Innovative Contributions of Yu Shen
Introduction
Yu Shen is a prominent inventor based in Waltham, MA (US), known for his significant contributions to the field of analytical instrumentation. With a total of 7 patents to his name, he has made remarkable advancements in technologies that enhance the detection and analysis of various substances.
Latest Patents
One of Yu Shen's latest patents is a portable laser induced breakdown spectroscopy system. This innovative device includes a laser that produces a beam with multiple repeating pulses. It features a processor that opens a data acquisition window after a delay period, which begins upon the production of one of the pulses. The system also incorporates optical elements that direct the beam at a sample and collect emitted light from a plasma continuum. An optical detector is configured to produce a range of signal values from the emitted light, allowing the processor to identify elements from these values.
Another notable patent is focused on heroin detection by Raman spectroscopy from impure compositions that contain an interfering fluorescent contaminant. This method identifies the presence of heroin in a mixture by contacting it with a solvent, such as alcohol, and then using a SERS surface. The surface is exposed to laser light from a hand-held Raman spectrometer to detect the Raman signal from the heroin.
Career Highlights
Throughout his career, Yu Shen has worked with several reputable companies, including Thermo Scientific and Portable Analytical Instruments Inc. He has also contributed to the success of Ahura Corporation. His work in these organizations has allowed him to develop and refine his innovative technologies.
Collaborations
Yu Shen has collaborated with notable professionals in his field, including Peidong Wang and Daryoosh Vakhshoori. These collaborations have further enriched his research and development efforts.
Conclusion
Yu Shen's innovative work in analytical instrumentation has led to significant advancements in detection technologies. His contributions continue to impact various fields, showcasing the importance of innovation in science and technology.