Location History:
- North York, CA (2011 - 2012)
- Toronto, CA (2012 - 2018)
- Minneapolis, MN (US) (2020 - 2023)
Company Filing History:
7 out of 21 
2 out of 4 
1 out of 1 Years Active: 2011-2025
Title: Innovator Weilun Chang: Pioneering Advances in Antithrombogenic Technologies
Introduction
Weilun Chang is a prominent inventor based in Toronto, Canada, known for his significant contributions to the field of biomedical engineering and materials science. With a remarkable portfolio of 10 patents, Chang has demonstrated a commitment to innovation, particularly in the development of advanced medical devices and materials.
Latest Patents
Among Chang's latest patents are notable inventions that address critical needs in the medical field. One of his major innovations is the “Antithrombogenic hollow fiber membranes and filters.” This invention pertains to extracorporeal blood circuits, which are essential components in various medical procedures, including hemofiltration, hemodialysis, and blood oxygenation. The technology incorporates a surface-modifying macromolecule, which enhances the antithrombogenic qualities of the blood circuits, ultimately improving patient outcomes.
Another of his recent patents is focused on “Plasticized PVC admixtures with surface modifying macromolecules and articles made therefrom.” This invention relates to the formulation of polyvinyl chloride (PVC) mixtures that incorporate plasticizers, resulting in products that minimize the leaching of harmful substances, thereby enhancing the safety and longevity of medical devices and articles made from these materials.
Career Highlights
Weilun Chang's career has been marked by his innovative work at institutions such as Interface Biologics, Inc., where he has played a key role in advancing medical technologies. His expertise in polymer science and biomedical applications has solidified his reputation as a leader in his field.
Collaborations
Throughout his career, Chang has collaborated with other esteemed professionals, including Sanjoy Mullick and Richard Witmeyer. These collaborations have further enriched his research and development efforts, leading to transformative innovations in healthcare.
Conclusion
Weilun Chang's dedication to innovation and his impressive portfolio of patents reflect his influential role in the realm of medical technology. His work continues to inspire advancements that improve patient care and outcomes, solidifying his legacy as a visionary inventor in Toronto and beyond.
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.