Location History:
- Xuchang, CN (2018)
- Tianjin, CN (2017 - 2020)
- Thornhill, CA (2020)
- Singapore, SG (2013 - 2021)
- Richmond Hill, CA (2018 - 2024)
Company Filing History:
25 out of 373 
3 out of 65 
2 out of 194 
Years Active: 2013-2025
Title: Innovations and Patents of Chang Liu
Introduction
Chang Liu, located in Richmond Hill, CA, is an accomplished inventor with a remarkable portfolio of 26 patents. His contributions to technology have significantly advanced the fields of mass spectrometry and fluid processing systems. This article explores his latest patents, career highlights, and collaborations throughout his professional journey.
Latest Patents
Among Chang Liu's most recent innovations is the patent for a sampling probe with internal sampling for use in mass spectrometry systems. This invention provides a method where a desorption solvent effectively desorbs analyte species from an SPME device, enhancing mass transfer efficiency. The design features an internal sampling conduit that increases the interaction between the desorption solvent and the sampling substrate, thereby improving the extraction and desorption speed.
Another notable patent revolves around 3-D mixing and particle delivery via movable electromagnetic assemblies. This fluid processing system can incorporate a sample container with a chamber containing fluid and magnetic particles. The innovative design includes a movable magnetic assembly equipped with electromagnets. This assembly creates magnetic field gradients, which effectively magnetically influence the magnetic particles, enhancing the mixing process.
Career Highlights
Chang Liu has made significant contributions while working with various companies, primarily Dh Technologies Development Pte. Ltd. and Labcyte Inc. His diverse experiences in these organizations have shaped his expertise and led to innovative developments in scientific instrumentation and technology.
Collaborations
Throughout his career, Chang has collaborated with notable professionals, including Thomas R Covey and Don Wesley Arnold. These partnerships have undoubtedly enriched his work and contributed to the success of his inventions.
Conclusion
Chang Liu's contributions to innovations in the fields of mass spectrometry and fluid processing represent the forefront of technology. With 26 patents to his name, his work continues to pave the way for advancements that benefit both research and industry. His expertise and collaborative efforts highlight the importance of innovation in solving complex problems across various scientific domains.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.