This inventor holds 8 USPTO granted patents. Top assignees: Lawrence Livermore National Security, LLC, University of California, Eaglepicher Technologies, LLC. Active years: 2003-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Walnut Creek, CA (US) (2003 - 2011)
- Danville, CA (US) (2006 - 2018)
Company Filing History:



Years Active: 2003-2025
Title: The Innovative Contributions of John Chang
Introduction
John Chang is a prominent inventor based in Danville, CA (US), known for his significant contributions to energy systems and micro-electro-mechanical devices. With a total of 8 patents to his name, Chang has made remarkable advancements in technology that enhance energy efficiency and sample heating processes.
Latest Patents
One of Chang's latest patents is a "Compact temperature control system and method for energy modules." This invention relates to an energy module that includes multiple energy generating cells and a cooling plate positioned between them. The cooling plate features coolant flow channels designed to manage heat transfer, ensuring that the failure of one energy cell does not adversely affect the others. Another notable patent is for "Instantaneous in-line heating of samples on a monolithic microwave integrated circuit microfluidic device." This innovative system utilizes a micro-channel flow channel to heat samples efficiently using microwaves, while ensuring that the substrate and carrier fluid remain unaffected by the heating process.
Career Highlights
Throughout his career, John Chang has worked with esteemed organizations such as Lawrence Livermore National Security, LLC and the University of California. His work in these institutions has allowed him to collaborate on cutting-edge research and development projects that push the boundaries of current technology.
Collaborations
Chang has collaborated with notable colleagues, including Waleed Sami Haddad and Jan-Ulco Kluiwstra. These partnerships have contributed to the successful development of his innovative patents and have fostered a collaborative environment for technological advancement.
Conclusion
John Chang's contributions to the fields of energy systems and micro-electro-mechanical devices highlight his role as a leading inventor. His patents not only demonstrate his innovative spirit but also pave the way for future advancements in technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile