This inventor holds 3 USPTO granted patents. Top assignees: Sandia Corporation, Other. Active years: 1995-2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Arlington, VA (US) (1995)
- Pleasanton, CA (US) (1999 - 2003)
Company Filing History:
1 out of 1,769 
2 out of 834,513 Years Active: 1995-2003
Title: Innovations of Chao Yan: A Pioneer in Chromatographic Devices
Introduction
Chao Yan is an accomplished inventor based in Pleasanton, CA (US). He has made significant contributions to the field of chromatography, holding a total of 3 patents. His innovative work focuses on enhancing the efficiency and precision of liquid delivery systems.
Latest Patents
One of Chao Yan's latest patents is the "Multiuse pressure electric chromatographic device." This invention is a separation-detection device that includes a high-voltage power supply, capillary chromatographic column, and detection equipment. The device employs a high-pressure pump, allowing it to apply pressure in multiple directions on the capillary column. This design not only prevents bubble formation and current breakdown but also ensures high efficiency. The device can operate in various modes by utilizing different chromatographic columns.
Another notable patent is the "Electro-osmotically driven liquid delivery method and apparatus." This method and apparatus precisely control the composition and delivery of liquid at sub-.mu.L/min flow rates. It features an electro-osmotically driven gradient flow delivery system that generates dynamic gradient flows by merging multiple electro-osmotic flows. The system utilizes independent programmable high-voltage power supplies to regulate the electro-osmotic flow in each delivery arm, allowing for the delivery of the required gradient profile to the column.
Career Highlights
Chao Yan has worked with reputable organizations, including Sandia Corporation. His experience in these companies has contributed to his expertise in developing advanced chromatographic technologies.
Collaborations
Chao has collaborated with notable individuals in his field, including David J. Rakestraw and Deon Stafford Anex. These collaborations have further enriched his work and innovations.
Conclusion
Chao Yan's contributions to chromatography through his innovative patents demonstrate his commitment to advancing technology in this field. His work continues to influence the development of efficient liquid delivery systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile